2009 Yamaha Motorsports Grizzly 450 4x4 Owners Manual

2009 Yamaha Motorsports Grizzly 450 4x4 Manual

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  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 1
    READ THIS MANUAL CAREFULLY! It contains important safety information. OWNER'S MANUAL YFM45FGY WARNING This ATV should not be ridden by anyone under 16 years of age. LIT-11626-22-47 37S-F8199-10
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 2
    EBU17092 Read this manual carefully before operating this vehicle. This manual should stay with this vehicle if it is sold.
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 3
    of your ATV, please consult a Yamaha dealer. AN IMPORTANT SAFETY MESSAGE: G READ THIS MANUAL TOGETHER WITH TIPS FOR THE ATV RIDER CAREFULLY AND COMPLETELY BEFORE OPERATING YOUR ATV. MAKE SURE YOU UNDERSTAND ALL INSTRUCTIONS. G PAY CLOSE ATTENTION TO THE WARNING AND NOTICE LABELS ON THE ATV. G NEVER
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 4
    CAN RESULT IN SERIOUS INJURY OR DEATH. Particularly important information is distinguished in this manual by the following notations: This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 5
    effect at the time of manufacture. Please check your local riding laws and regulations before operating this ATV. EBU17402 YFM45FGY OWNER'S MANUAL ©2008 by Yamaha Motor Corporation, U.S.A. 1st edition, May 2008 All rights reserved. Any reprinting or unauthorized use without the written permission
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 6
    EWB00010 WARNING Indicates a potential hazard that could result in serious injury or death. EBU17420 TABLE OF CONTENTS SAFETY INFORMATION ...1-1 LOCATION OF THE WARNING AND SPECIFICATION LABELS ...2-1 DESCRIPTION ...3-1 Left view ...3-1 Right view...3-1 Controls and instruments ...3-2 INSTRUMENT
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 7
    32 SLIDING AND SKIDDING ...7-33 WHAT TO DO IF...7-34 WHAT TO DO...7-34 PERIODIC MAINTENANCE AND MINOR REPAIR ...8-1 Owner's manual and tool kit ...8-1 Periodic maintenance chart for the emission control system ...8-3 General maintenance and lubrication chart ...8-5 Removing and installing panels
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 8
    57 Removing a wheel ...8-59 Installing a wheel ...8-59 Troubleshooting ...8-61 Troubleshooting charts ...8-62 CLEANING AND STORAGE ...9-1 Cleaning ...9-1 Storage 11-3 Maintenance record ...11-4 YAMAHA MOTOR CORPORATION, U.S.A. ATV LIMITED WARRANTY ...11-5 YAMAHA EXTENDED SERVICE (Y.E.S.) ...11-7
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 9
    riding on hills or over obstacles, if you fail to take proper precautions. SEVERE INJURY OR DEATH can result if you do not follow these instructions: G Read this manual and all labels carefully and follow the operating procedures described. G Never operate an ATV without proper training or
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 10
    time you use it to make sure it is in safe operating condition. Always follow the inspection and maintenance procedures and schedules described in this manual. Always keep both hands on the handlebars and both feet on the footboards of the ATV during operation. Always go slowly and be extra careful
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 11
    . G Never exceed the stated load capacity for an ATV. Cargo should be properly distributed and securely attached. Reduce speed and follow instructions in this manual for carrying cargo or pulling a trailer. Allow greater distance for braking. FOR MORE INFORMATION ABOUT ATV SAFETY, call the Consumer
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 12
    EWB00021 WARNING 1 POTENTIAL HAZARD Improper handling of gasoline. WHAT CAN HAPPEN Gasoline can catch fire and you could be burned. HOW TO AVOID THE HAZARD Always turn off the engine when refueling. Do not refuel right after the engine has been running and is still very hot. Do not spill gasoline
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 13
    WHAT CAN HAPPEN Exhaust fumes are poisonous and may cause loss of consciousness and death within a short time. HOW TO AVOID THE HAZARD Always operate your ATV in an area with adequate ventilation. 1 1-5
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 14
    EBU17660 LOCATION OF THE WARNING AND SPECIFICATION LABELS 2 6 7 8 9 10 2-1
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 15
    EBU17670 Read and understand all of the labels on your ATV. These labels contain important information for safe and proper operation. Never remove any labels from your ATV. If a label becomes difficult to read or comes off, request a replacement label from your Yamaha dealer. 2 88 lbs (40 kg) 3.6
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 16
    2 176 lbs (80 kg) 5ND-F4897-30 5880 N 1322 (600 kgf) 37S-F151K-00 2-3
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 17
    7 9 WARNING Fuel vapors can be a fire or explosion hazard. To avoid injury or death, never store fuel or flammable liquids in this storage compartment. 2 UNDER Storage should not exceed 0.5 kg (1 lb) 37S-F151F-00 16 1P0-F816L-00 8 10 2-4
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 18
    EBU17680 DESCRIPTION EBU17690 EBU17700 Left view 3 Right view 1. Radiator cap 2. Fuel cock 3. Recoil starter 4. Throttle stop screw 5. Air filter case 6. Battery 7. Fuses 8. Tail/brake light 9. Engine oil filler cap 10.Oil filter cartridge 11.Coolant reservoir 12.V-belt cooling duct check hose
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 19
    Controls and instruments 2 3 4 5 6 7 8 12 TIP The ATV you have purchased may differ slightly from the figures shown in this manual. 3 1. 2. 3. 4. 5. 6. 7. 8. 9. Rear brake lever Handlebar switches Starter (choke) Drive select lever Multifunction display Main switch Auxiliary DC jack Fuel tank
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 20
    EBU17722 INSTRUMENT AND CONTROL FUNCTIONS EWB00010 WARNING Indicates a potential hazard that could result in serious injury or death. 4 EBU17760 Main switch The positions of the main switch are as follows: ON All electrical systems are supplied with power. The headlights and taillight come on
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 21
    EBU17813 Indicator lights and warning light Furthermore, this indicator light flashes when the engine is being raced for 10 seconds or more. TIP If the indicator light flashes under any other circumstances or the speedometer does not show the speed while riding, have a Yamaha dealer check the
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 22
    G Start the engine after making sure that the warning light is out. Continuous use while the warning light is on may cause damage to the engine. EBU17970 Park indicator light " " This indicator light comes on when the transmission is in the park position. EBU17980 EBU17961 4 On-Command four-
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 23
    EBU18034 Multifunction display G G a clock an hour meter (which shows the total time the key has been turned to "ON") 1. 2. 3. 4. 5. 6. 7. Speedometer "H" button "M" button Clock/Hour meter Odometer/Tripmeter A/Tripmeter B "TRIP/ODO" button Clock/Hour " / " button Odometer and tripmeter modes
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 24
    4 To set the clock 1. Set the display to the clock mode. 2. Push the " / " button until the clock starts flashing. 3. Set the hours by pushing the "H" button. 4. Set the minutes by pushing the "M" button. 5. Push the " / " button, and then release it to start the clock. EBU18050 TIP If the ATV
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 25
    recharge it. EBU18180 4 Start switch " " Push this switch to crank the engine with the starter. ECB00050 Override switch "OVERRIDE" NOTICE See the starting instructions on page 6-1 prior to starting the engine. EBU18151 Light switch " / /OFF" Set this switch to " " to turn on the low beams and
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 26
    switch to override the differential gear lock speed limiting function. (See page 4-9.) Releasing the switch restores the speed limiting function. While the override switch is pushed, the segments of the speedometer digits will appear as shown in the figure. 4 EWB00110 WARNING POTENTIAL HAZARD
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 27
    "4WD" (four-wheel drive): Power is supplied to the rear and front wheels. To change from two-wheel drive to four-wheel drive, stop the ATV and push the switch in to the "4WD" position. Then, the four-wheel-drive indicator " " comes on in the multifunction display. To change from four-wheel drive to
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 28
    EBU18245 4 On-Command differential gear lock switch "4WD"/"LOCK" This ATV is equipped with a switch allowing you to lock the differential gear when in four-wheel drive. Select the appropriate switch position according to the terrain and the conditions. G "4WD" (four-wheel drive): Power is supplied
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 29
    1. On-Command differential gear lock switch "4WD"/"LOCK" To release the differential gear lock, stop the ATV and push the switch to the "4WD" position. EWB00092 WHAT CAN HAPPEN The ATV handles differently in four-wheel drive than in differential gear lock in some circumstances. Changing from four-
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 30
    EWB00101 G WARNING POTENTIAL HAZARD Riding too fast while the ATV is in fourwheel-drive differential gear lock. WHAT CAN HAPPEN All wheels turn at the same speed when the differential gear is locked, so it takes more effort to turn the ATV. The effort needed to turn increases with the riding speed
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 31
    before you start the engine. If it does not work smoothly, check for the cause. Correct the problem before riding the ATV. Consult a Yamaha dealer if you can't find or solve the problem yourself. EBU18311 4 Speed limiter 1. Throttle lever Before starting the engine, check the throttle to be sure
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 32
    HOW TO AVOID THE HAZARD Do not turn the adjusting screw out more than 12 mm (0.47 in). Always make sure the throttle lever free play is adjusted to 3.0-5.0 mm (0.12-0.20 in). (See page 8-38.) EBU18391 Front brake lever 4 The front brake lever is located on the right handlebar. To apply the front
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 33
    EBU18442 Brake pedal and rear brake lever The brake pedal is located on the right side of the ATV and the rear brake lever is located on the left handlebar. To apply the rear brake, push down on the brake pedal or pull the brake lever toward the handlebar grip. 4 1. Rear brake lever EBU18611
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 34
    4 1. Drive select lever EBU18680 1. Recoil starter EWB00290 Recoil starter Firmly grasp the handle and pull slightly until engagement can be felt. Then pull forcefully, being careful not to pull the rope all the way out. WARNING POTENTIAL HAZARD Starting the engine without setting the drive
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 35
    EBU18720 Fuel tank cap Remove the fuel tank cap by turning it counterclockwise. 4 1. Fuel level 2. Fuel tank filler tube 1. Fuel tank cap EBU18730 Fuel Make sure that there is sufficient fuel in the tank. Fill the fuel tank to the bottom of the filler tube as shown. Recommended fuel: UNLEADED
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 36
    content does not exceed 10%. Gasohol containing methanol is not recommended by Yamaha because it can cause damage to the fuel system or ATV performance problems. EWB00270 WHAT CAN HAPPEN Fuel can spill, which can cause a fire and severe injury. Fuel expands when it heats up. If the fuel tank is
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 37
    OFF ON 4 1. Arrow mark pointing to "OFF" 1. Arrow mark pointing to "ON" With the fuel cock lever in this position, fuel will not flow. Always turn the fuel cock lever to this position when the engine is not running. With the fuel cock lever in this position, fuel flows to the carburetor. Turn
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 38
    RES Move the starter (choke) in direction (b) to turn off the starter (choke). See the "Starting a cold engine" section on page 6-1 for proper operation. 4 1. Arrow mark pointing to "RES" This indicates reserve. With the fuel cock lever in this position, the fuel reserve is made available. Turn
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 39
    4 1. Seat 2. Seat lock lever 1. Projection 2. Seat holder EBU29251 To install the seat Insert the projections on the front of the seat into the seat holders and push down on the seat at the rear. TIP Make sure that the seat is securely fitted. Storage compartments This ATV is equipped with two
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 40
    The rear storage compartment is located under the seat. (See page 4-19.) 4 1. Front storage compartment cover 1. Rear storage compartment When storing any documents in the storage compartments, be sure to wrap them in a plastic bag so that they will not get wet. When washing the ATV, be careful
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 41
    ECB00830 NOTICE Do not store metal or sharply edged objects, like tools, in the storage compartments. If they must be stored, wrap them in appropriate cushion material to prevent damaging the storage compartments. G G Do not exceed the load limit of 0.5 kg (1 lb) for the front storage compartment
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 42
    EBU18961 Front carrier G G Do not exceed the load limit of 40.0 kg (88 lb) for the front carrier. Do not exceed the maximum load of 210.0 kg (463 lb) for the ATV. EBU18971 4 Rear carrier G G Do not exceed the load limit of 80.0 kg (176 lb) for the rear carrier. Do not exceed the maximum load
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 43
    WHAT CAN HAPPEN Uneven adjustment can cause poor handling and loss of stability, which could lead to an accident. HOW TO AVOID THE HAZARD Always adjust the shock absorber assemblies on the left and right side to the same setting. EBU28971 4 Trailer hitch 1. Special wrench Spring preload setting:
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 44
    1 2 4 1. Trailer hitch receiver EBU19181 1. Auxiliary DC jack cap 2. Auxiliary DC jack Auxiliary DC jack The auxiliary DC jack is located at the front right side of the ATV. The auxiliary DC jack can be used for suitable work lights, radios, etc. The auxiliary DC jack should only be used when
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 45
    G G If accessories are used without the engine running or with the headlights turned on, the battery will lose its charge and engine starting may become difficult. Do not use an automotive cigarette lighter or other accessories with a plug that gets hot because the jack can be damaged. 4 EWB00010
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 46
    the inspection and maintenance procedures and schedules described in the Owner's Manual. TIP The maintenance of some items in the table has to dealer. Refer to the periodic maintenance charts on page 8-3 to determine which service should be performed by a Yamaha dealer. ITEM Fuel ROUTINE • Check
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 47
    ITEM Engine oil Final gear oil Differential gear oil Coolant ROUTINE • Check oil level in engine, and add recommended oil to specified level if necessary. • Check ATV for oil leakage. Correct if necessary. • Check ATV for oil leakage. Correct if necessary. • Check ATV for oil leakage. Correct if
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 48
    ITEM Instruments, lights and switches ROUTINE • Check operation, and correct if necessary. PAGE 5-9 5 5-3
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 49
    EBU19530 EBU19590 Fuel Make sure that there is sufficient fuel in the tank. (See page 4-16.) EWB00500 Final gear oil Make sure that the final gear oil is at the specified level. Add oil as necessary. (See page 8-22.) EBU19600 WARNING POTENTIAL HAZARD Improper care when refueling. WHAT CAN HAPPEN
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 50
    EWB00490 G WARNING POTENTIAL HAZARD Removing the radiator cap when the engine and radiator are still hot. WHAT CAN HAPPEN You could be burned by hot fluid and steam blown out under pressure. HOW TO AVOID THE HAZARD Wait for the engine to cool before removing the radiator cap. Always use a thick
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 51
    the brakes at the start of every ride. Do not ride the ATV if you find any problem with the brakes. If a problem cannot be corrected by the adjustment procedures provided in this manual, have a Yamaha dealer check for the cause. EBU19761 5 Throttle lever Check the operation of the throttle lever
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 52
    EBU19802 Tires EWB00552 WARNING POTENTIAL HAZARD Operating this ATV with improper tires, or with improper or uneven tire pressure. WHAT CAN HAPPEN Use of improper tires on this ATV, or operation of this ATV with improper or uneven tire pressure, may cause loss of control, increasing your risk of
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 53
    G G G Tire pressure below the minimum specified could cause the tire to dislodge from the rim under severe riding conditions. Minimum tire pressure: Front: 22.0 kPa (0.220 kgf/cm², 3.2 psi) Rear: 22.0 kPa (0.220 kgf/cm², 3.2 psi) Use no more than the following pressures when seating the tire beads
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 54
    5 Recommended pressure: Front 25.0 kPa (0.250 kgf/cm², 3.6 psi) Rear 25.0 kPa (0.250 kgf/cm², 3.6 psi) Minimum: Front 22.0 kPa (0.220 kgf/cm², 3.2 psi) Rear 22.0 kPa (0.220 kgf/cm², 3.2 psi) EBU19830 1. Tire wear limit EBU19840 Tire wear limit Replace the tire when the tire groove decreases to 3
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 55
    familiar with all controls. WHAT CAN HAPPEN Loss of control, which could cause an accident or injury. HOW TO AVOID THE HAZARD Read the Owner's Manual carefully. If there is a control or function you do not understand, ask your Yamaha dealer. 6 NOTICE See the "Engine break-in" section on page
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 56
    3. Shift the drive select lever into the neutral or park position. The corresponding indicator light should come on. If the indicator light does not come on, have a Yamaha dealer check the electrical circuit. TIP The engine can be started under the following conditions: G The drive select lever is
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 57
    to Low-range 1. Bring the ATV to a complete stop. 2. Apply the brake pedal, and then shift by moving the drive select lever along the shift guide. TIP Make sure that the drive select lever is completely shifted into position. 6 6-3
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 58
    neutral to reverse or from reverse to park and vice versa by moving the drive select lever along the shift guide. L H N R P 1. 2. 3. 4. 5. 6. Drive select lever L (Low-range) H (High-range) N (Neutral) R (Reverse) P (Park) 2 3 4 5 6 3. Release the brake pedal, and then open the throttle lever
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 59
    G Due to the synchronizing mechanism in the engine, the indicator light may not come on until the ATV starts moving. G For ATVs not equipped with an odometer or hour meter, follow the figures given in hours. 4. Check behind for people or obstacles, and then release the brake pedal. 5. Open the
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 60
    ECB00220 NOTICE If any engine trouble should occur during the engine break-in period, immediately have a Yamaha dealer check the ATV. EBU20690 Parking When parking the ATV, stop the engine, shift
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 61
    EBU20910 Accessories and loading EBU20920 Accessories Accessories can affect the handling and control of your ATV. Keep the following in mind when considering an accessory or operating an ATV which has accessories. G Choose only accessories designed for your ATV. Your Yamaha dealer has a variety
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 62
    6 MAXIMUM LOADING LIMIT ATV loading limit (total weight of rider, cargo, accessories, and tongue): 210.0 kg (463 lb) Front carrier: 40.0 kg (88 lb) Rear carrier: 80.0 kg (176 lb) Front storage compartment: 0.5 kg (1 lb) Rear storage compartment: 2.0 kg (4 lb) Trailer hitch: Pulling load (total
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 63
    G Avoid hills and rough terrain. Choose terrain carefully. Added weight affects the stability and handling of the ATV. WARNING EWB00750 POTENTIAL HAZARD Overloading this ATV or carrying or towing cargo improperly. WHAT CAN HAPPEN Could cause changes in ATV handling which could lead to an accident
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 64
    EBU21131 RIDING YOUR ATV 7 7-1
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 65
    recreation and utility use. This section, Riding your ATV, provides general ATV riding instructions for recreational riding. The skills and techniques described in this section, however, are you have read this Owner's Manual completely and understand the operation of the controls. Pay partic- 7 7-2
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 66
    in the course and the operating techniques described in this Owner's Manual. For more information about the training course, contact an authorized age. EWB00901 WARNING 7 POTENTIAL HAZARD Operating this ATV without proper instruction. WHAT CAN HAPPEN The risk of an accident is greatly increased if
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 67
    WHAT CAN HAPPEN Use by children of ATVs that are not recommended for their age can lead to severe injury or death of the child. HOW TO AVOID THE HAZARD A child under 16 should never operate an ATV with engine size greater than 90 cc. 7 7-4
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 68
    This ATV is designed to carry operator and cargo only - passengers prohibited. EWB00910 WARNING POTENTIAL HAZARD Carrying a passenger on this ATV. WHAT CAN HAPPEN Greatly reduces your ability to balance and control this ATV. Could cause an accident, resulting in harm to you and/or your passenger.
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 69
    Apparel EWB00920 WARNING POTENTIAL HAZARD Operating this ATV without wearing an approved motorcycle helmet, eye protection and protective clothing. WHAT CAN HAPPEN Operating without an approved motorcycle helmet increases your chances of a severe head injury or death in the event of an accident.
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 70
    sure the ATV is in safe operating condition. Always follow the inspection and maintenance procedures and schedules described in the Owner's Manual. 7 EWB00930 WARNING POTENTIAL HAZARD Operating this ATV after consuming alcohol or drugs. WHAT CAN HAPPEN Could seriously affect your judgment. Could
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 71
    accident. HOW TO AVOID THE HAZARD Always use the size and type tires specified in the Owner's Manual for this ATV on page 5-7. Always maintain proper tire pressure as described in the Owner's Manual on page 5-8. EWB00010 Do not operate at speeds too fast for your skills or the conditions. EWB00960
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 72
    Speed limiter For riders less experienced with this model, the throttle lever housing is equipped with a speed limiter. The speed limiter keeps the throttle from fully opening, even when the throttle lever is pushed to the maximum. Turning in the adjusting screw limits the maximum engine power
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 73
    ATV. Cargo should be properly distributed and securely attached. Reduce speed when carrying cargo or pulling a trailer. Allow greater distance for braking. Always follow the instructions in your Owner's Manual for carrying cargo or pulling a trailer. 7 7-10
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 74
    During operation Always keep your feet on the footboards during operation, otherwise they may contact the rear wheels. WHAT CAN HAPPEN Removing even one hand or foot can reduce your ability to control the ATV or could cause you to lose your balance and fall off of the ATV. If you remove a foot from
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 75
    should be genuine Yamaha or equivalent components designed for use on this ATV and should be installed and used according to instructions. If you have questions, consult an authorized ATV dealer. Modifications EWB01000 WARNING POTENTIAL HAZARD Operating this ATV with improper modifications. WHAT
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 76
    Exhaust system The exhaust system on the ATV is very hot during and following operation. To prevent burns, avoid touching the exhaust system. Park the ATV in a place where pedestrians or children are not likely to touch it. EWB01010 WARNING POTENTIAL HAZARD Hot exhaust system. WHAT CAN HAPPEN Dry
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 77
    HOW TO AVOID THE HAZARD Always avoid paved surfaces, including sidewalks, driveways, parking lots and streets. EWB01030 WARNING POTENTIAL HAZARD Operating this ATV on public streets, roads or highways. WHAT CAN HAPPEN You can collide with another vehicle. HOW TO AVOID THE HAZARD Never operate this
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 78
    Know the terrain where you ride. Ride cautiously in unfamiliar areas. Stay alert for holes, rocks, or roots in the terrain, and other hidden hazards which may cause the ATV to upset. EWB01040 WARNING POTENTIAL HAZARD Failure to use extra care when operating this ATV on unfamiliar terrain. WHAT CAN
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 79
    HOW TO AVOID THE HAZARD Do not operate on excessively rough, slippery or loose terrain until you have learned and practiced the skills necessary to control the ATV on such terrain. Always be especially cautious on these kinds of terrain. EWB01060 7 WARNING When riding in an area where you might
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 80
    is designed for off-road use only, and handling maneuvers are more difficult to perform on pavement. Shift to the park position and follow the instruction on page 6-1 to start the engine. Once it has warmed up you are ready to begin riding your ATV. Remember that the engine and exhaust
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 81
    this skill be learned first at low speed. EWB01310 HOW TO AVOID THE HAZARD Always follow proper procedures for turning as described in this Owner's Manual. Practice turning at low speeds before attempting to turn at faster speeds. Do not turn at speeds too fast for your skills or the conditions
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 82
    any incline and then practice riding first on gentle slopes. Try more difficult climbs only after you have devel- 1. Lean towards inside of turn. 2. Support your weight on the outer footboard. This procedure should be practiced at slow speed many times in a large off-road area with no obstacles
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 83
    oped your skill. In all cases avoid inclines with slippery or loose surfaces, or obstacles that might cause you to lose control. EWB01090 WARNING POTENTIAL HAZARD Operating on excessively steep hills. WHAT CAN HAPPEN The ATV can overturn more easily on extremely steep hills than on level surfaces
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 84
    or cause the ATV to overturn. 7 HOW TO AVOID THE HAZARD Always follow proper procedures for climbing hills as described in this Owner's Manual. Always check the terrain carefully before you start up any hill. Never climb hills with excessively slippery or loose surfaces. Shift your weight forward
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 85
    7 7-22
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 86
    until you have mastered the turning technique as described in the Owner's Manual on level ground. Be very careful when turning on any hill. of a hill: Always follow proper procedures as described in the Owner's Manual. Avoid hills with excessively slippery or loose surfaces. Shift your weight to
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 87
    position. Dismount on uphill side or to a side if pointed straight uphill. Turn the ATV around and remount, following the procedure described in the Owner's Manual. 7
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 88
    control or cause the ATV to overturn. HOW TO AVOID THE HAZARD Always follow proper procedures for going down hills as described in this Owner's Manual. Note: a special technique is required when braking as you go down a hill. Always check the terrain carefully before you start down any hill. Shift
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    7 7-26
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    hill until you have mastered the turning technique as described in the Owner's Manual on level ground. Be very careful when turning on any hill. Avoid a hill: Always follow proper procedures as described in the Owner's Manual. Avoid hills with excessively slippery or loose surfaces. Shift your weight
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    7 7-28
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    an accident. HOW TO AVOID THE HAZARD Never operate this ATV in fast flowing water or in water deeper than that specified in your Owner's Manual. Remember that wet brakes may have reduced stopping ability. Test your brakes after leaving water. If necessary, apply them several times to let friction
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 93
    1. Air filter case check hose ECB00920 NOTICE After riding your ATV in water, be sure to drain the trapped water by removing the check hose at the bottom of the air filter case, the V-belt cooling duct check hose, the drive select lever box check hose and the rear storage compartment check hose.
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 94
    1. Drive select lever box check hose 1. V-belt case drain plug 7 1. Storage compartment check hose 1. Storage compartment drain plug 7-31
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    ride over large obstacles, such as large rocks or fallen trees. When you go over obstacles, always follow proper procedures as described in the Owner's Manual. 7 7-32
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    SLIDING AND SKIDDING Care should be used when riding on loose or slippery surfaces since the ATV may slide. If unexpected and uncorrected, sliding could lead to an accident. To reduce the tendency for the front wheels to slide in loose or slippery conditions, positioning your weight over the front
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    cautious in order to reduce the chance of skidding or sliding out of control. WHAT TO DO IF...This section is designed to be a reference guide only. Be sure to read each section on riding techniques completely. WHAT TO DO...G If your ATV doesn't turn when you want it to: Bring
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    G If your ATV encounters shallow water: Ride slowly and carefully through slow moving water, watching for obstacles. Be sure to let water drain from the ATV and CHECK YOUR BRAKES FOR PROPER OPERATION when you come out of the water. Do not continue to ride your ATV until you have regained adequate
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 99
    maintenance and lubrication chart should be considered as a general guide under normal riding conditions. However, DEPENDING ON THE WEATHER dealer perform the service if you are not familiar with maintenance work. EBU21720 Owner's manual and tool kit Be sure to put this owner's manual in the plastic
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 100
    on this ATV and should be installed and used according to instructions. If you have questions, consult an authorized Yamaha ATV dealer. 1. Owner's manual 2. Owner's tool kit 3. Low-pressure tire gauge 8 The service information included in this manual and the tools provided in the owner's tool kit
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 101
    EBU21742 Periodic maintenance chart for the emission control system TIP G For ATVs not equipped with an odometer or an hour meter, follow the month maintenance intervals. G For ATVs equipped with an odometer or an hour meter, follow the km (mi) or hours maintenance intervals. However, keep in mind
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 102
    INITIAL NO. ITEM CHECK OR MAINTENANCE JOB Whichever comes first month km (mi) hours 6 7 * Exhaust system Spark arrester • Check for leakage and replace gasket(s) if necessary. • Check for looseness and tighten all screw clamps and joints if necessary. • Clean. 1 320 (200) 20 3 1300 (800) 80 6 EVERY
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    EBU21864 General maintenance and lubrication chart INITIAL NO. ITEM CHECK OR MAINTENANCE JOB Whichever comes first month km (mi) hours 1 Air filter element • Clean and replace if necessary. • Check operation and correct if necessary. • Check fluid level and ATV for fluid leakage, and correct if
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 104
    INITIAL NO. ITEM CHECK OR MAINTENANCE JOB Whichever comes first month km (mi) hours 9 10 11 12 13 14 Drive shaft universal joint Chassis fasteners Shock absorber assemblies Stabilizer bushes Rear knuckle pivots Steering shaft Steering system Engine mount Axle boots Engine oil Engine oil filter
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    lever housing and cable Front and rear brake switches Lights and switches Every 2 years 26 * 8 27 28 * * EBU28390 TIP G The air filter needs more frequent service if you are riding in unusually wet or dusty areas. 8-7
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    G Hydraulic brake service • Regularly check and, if necessary, correct the brake fluid level. • Every two years replace the internal components of the brake master cylinder and calipers, and change the brake fluid. • Replace the brake hoses every four years and if cracked or damaged. 8 8-8
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    EWB00010 WARNING Indicates a potential hazard that could result in serious injury or death. EBU23090 Removing and installing panels The panels shown need to be removed to perform some of the maintenance jobs described in this chapter. Refer to this section each time a panel needs to be removed and
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    To install one of the panels 1. Place the panel in its original position. 8 8-10
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    Panel B To remove the panel Remove the bolt, and then take the panel off. 1. Panel B 2. Bolt 8 To install the panel Place the panel in the original position and install the bolt. ECB00380 2. Install the seat. NOTICE When installing the panel, be sure not to pinch the cables or wires. 8-11
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    Panel C To remove the panel 1. Remove the carrier top bolts. 1 1 1 1. Carrier bolt (under the fenders) 3. Remove the quick fastener screws, and then pull the panel upward to remove it. 8 1. Carrier bolt (top) 2. Remove the carrier bolts under the fenders, and then take the carrier off. 8-12
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    1 Tightening torques: Carrier bolt (top): 34 Nm (3.4 m·kgf, 24 ft·lbf) Carrier bolt (under fenders): 7 Nm (0.7 m·kgf, 5.1 ft·lbf) Panel E 2 To remove the panel Remove the bolts, and then take the panel off. 1. Quick fastener screw 2. Panel C To install the panel 1. Place the panel in the
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    To install the panel Place the panel in the original position and install the bolts. Panel F To remove the panel Pull outward on the areas shown. EBU23221 Checking the spark plug 8 The spark plug is an important engine component, which is easy to check. Since heat and deposits will cause any spark
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    ATV is ridden normally). TIP If the spark plug shows a distinctly different color, the engine could be operating improperly. Do not attempt to diagnose such problems yourself. Instead, have a Yamaha dealer check the ATV. 8 8-15
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    2. Check the spark plug for electrode erosion and excessive carbon or other deposits, and replace it if necessary. Specified spark plug: NGK/DR8EA To install the spark plug 1. Measure the spark plug gap with a wire thickness gauge and, if necessary, adjust the gap to specification. 1. Spark plug gap
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 115
    TIP If a torque wrench is not available when installing a spark plug, a good estimate of the correct torque is 1/4-1/2 turn past finger tight. However, the spark plug should be tightened to the specified torque as soon as possible. 4. Install the spark plug cap. 5. Install the panel. EBU23326 TIP
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    To change the engine oil (with or without oil filter cartridge replacement) 1. Place the ATV on a level surface. 2. Remove panel F. (See page 8-9.) 3. Start the engine, warm it up for several minutes, and then turn it off. 4. Place an oil pan under the engine to collect the used oil. 5. Remove the
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 117
    TIP Skip steps 6-10 if the oil filter cartridge is not being replaced. 6. Remove panels D and E. (See page 8-9.) 7. Remove the oil filter cartridge with an oil filter wrench. 1. Oil filter wrench TIP An oil filter wrench is available at a nearby Yamaha dealer. 8. Apply a thin coat of engine oil to
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 118
    1. O-ring 1. Torque wrench TIP Make sure that the O-ring is properly seated. 8 9. Install the new oil filter cartridge with an oil filter wrench, and then tighten it to the specified torque with a torque wrench. Tightening torque: Oil filter cartridge: 17 Nm (1.7 m·kgf, 12 ft·lbf) 10. Install
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 119
    12. Refill with the specified amount of the recommended engine oil, and then install and tighten the engine oil filler cap. Recommended oil: See page 10-1. Oil quantity: Without oil filter cartridge replacement: 2.30 L (2.43 US qt, 2.02 Imp.qt) With oil filter cartridge replacement: 2.40 L (2.54 US
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 120
    EBU28572 Final gear oil The final gear case must be checked for oil leakage before each ride. If any leakage is found, have a Yamaha dealer check and repair the ATV. In addition, the final gear oil level must be checked and the oil changed as follows at the intervals specified in the periodic
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 121
    2. Remove the engine guard and the final gear case guard by removing the bolts. 1. Final gear oil drain bolt 1. Engine guard 2. Final gear case guard 3. Bolt 5. Install the drain bolt, and then tighten it to the specified torque. Tightening torque: Final gear oil drain bolt: 24 Nm (2.4 m·kgf, 17
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 122
    ECB00420 NOTICE Be sure no foreign material enters the final gear case. 7. Install the oil filler bolt, and then tighten it to the specified torque. Tightening torque: Final gear oil filler bolt: 24 Nm (2.4 m·kgf, 17 ft·lbf) 1. Final gear oil filler bolt 2. Correct oil level 3. Final gear oil 8
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 123
    EBU23422 Differential gear oil The differential gear case must be checked for oil leakage before each ride. If any leakage is found, have a Yamaha dealer check and repair the ATV. In addition, the differential gear oil level must be checked and the oil changed as follows at the intervals specified
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 124
    To change the differential gear oil 1. Place the ATV on a level surface. 2. Place an oil pan under the differential gear case to collect the used oil. 3. Remove the differential gear oil filler bolt and the differential gear oil drain bolt to drain the oil from the differential gear case. 5. Refill
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 125
    Tightening torque: Differential gear oil filler bolt: 23 Nm (2.3 m·kgf, 17 ft·lbf) 7. Check the differential gear case for oil leakage. If oil is leaking, check for the cause. EBU23470 TIP The coolant should be between the minimum and maximum level marks. Coolant The coolant level should be
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 126
    radiator fan is automatically switched on or off according to the coolant temperature in the radiator. G If the engine overheats, see page 8-62 for further instructions. G 8-28
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 127
    4. Remove the front carrier and panel C. (See page 8-9.) 5. Remove the radiator cap. 1. Coolant drain bolt 1. Radiator cap 6. Remove panel D. (See page 8-9.) 7. Remove the coolant reservoir cap. 8. Disconnect the hose on the coolant reservoir side, and then drain the coolant from the coolant
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 128
    13. Pour the recommended coolant into the radiator until it is full. Antifreeze/water mixture ratio: 1:1 Recommended antifreeze: High-quality ethylene glycol antifreeze containing corrosion inhibitors for aluminum engines Coolant quantity: Radiator capacity (including all routes): 1.30 L (1.37 US qt
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 129
    G If water has been added to the coolant, have a Yamaha dealer check the antifreeze content of the coolant as soon as possible, otherwise the effectiveness of the coolant will be reduced. TIP There is a check hose at the bottom of the air filter case. If dust or water collects in this hose, empty
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 130
    1. Air filter case cover holder 2. Air filter case cover 1. Air filter element 4. Pull the air filter element out of the air filter case. 8 5. Pull off the air filter element lock plate, and then remove the sponge material from the air filter element frame. 8-32
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    HOW TO AVOID THE HAZARD Use parts cleaning solvent to clean the sponge material. 7. Squeeze the excess solvent out of the sponge material and let it dry. ECB00440 NOTICE Do not twist the sponge material when squeezing it. 1. Air filter element frame 2. Sponge material 3. Air filter element lock
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 132
    TIP The sponge material should be wet but not dripping. 10. Pull the sponge material over the air filter element frame, and then install the lock plate. 11. Insert the air filter element into the air filter case, and then install the air filter case cover by hooking the holders onto the air filter
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    2. Remove the tailpipe by pulling it out of the muffler. 3. Tap the tailpipe lightly, and then use a wire brush to remove any carbon deposits from the spark arrester portion of the tailpipe and inside of the tailpipe housing. Tightening torque: Tailpipe bolt: 10 Nm (1.0 m·kgf, 7.2 ft·lbf) EWB01910
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    1. V-belt cooling duct check hose (left front side of ATV) EBU23930 1. V-belt case drain plug EBU23940 V-belt case drain plug 8 After riding in water deep enough to allow it to enter the V-belt case, remove this plug to drain the water from the case. TIP If water drains from the V-belt case after
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 135
    ECB00480 NOTICE The carburetor has been set and extensively tested at the Yamaha factory. Changing these settings without sufficient technical knowledge may result in poor performance of or damage to the engine. EBU24010 4. Check the engine idling speed and, if necessary, adjust it to
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 136
    5. Install the panel. EBU24045 Adjusting the throttle cable free play The throttle cable free play should be checked and, if necessary, adjusted at the intervals specified in the periodic maintenance and lubrication chart. The throttle cable free play should measure 3.0- 5.0 mm (0.12-0.20 in) at
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 137
    EBU24071 EBU24171 Adjusting the drive select lever safety system cable The drive select lever safety system cable stretches with use, which can result in improper function. Therefore, the safety system cable should be checked and adjusted by a Yamaha dealer at the intervals specified in the
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 138
    EBU28421 EBU24251 Rear brake friction plates The rear brake is provided with a wear indicator, which allows you to check the brake friction plate wear without having to disassemble the brake. To check the brake friction plate wear, check the position of the wear indicator while applying the brake.
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    G Use only the recommended quality brake fluid, otherwise the rubber seals may deteriorate, causing leakage and poor braking performance. Recommended brake fluid: DOT 4 have the oil seals of the brake master cylinder and calipers as well as the brake hoses replaced at the intervals listed below or
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    adjusted brakes. WHAT CAN HAPPEN You could lose braking ability, which could lead to an accident. HOW TO AVOID THE HAZARD After servicing: G Make sure the brakes operate smoothly and that there is no free play. G Make sure the brakes do not drag. G Make sure the brakes are
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 141
    1. Brake pedal free play 1. Locknut 2. Brake lever free play adjusting bolt 2. Fully loosen the brake lever free play adjusting nut on the brake cable at the final gear case. 8 1. Brake lever free play 1. Loosen the locknut at the brake lever and fully turn in the brake lever free play
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 142
    1. Brake lever free play adjusting nut 8 3. Push the brake camshaft lever in direction (a) until it stops [apply approximately 50 N (5.0 kgf, 11.0 lbf) of force], and then turn the brake pedal free play adjusting nut on the brake cable at the final gear case so that gap "A" measures 2.5-3.0 mm (0.
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 143
    1. Brake lever free play adjusting nut 2. Brake camshaft lever 3. Gap "B" 1. Locknut 2. Brake lever free play adjusting bolt 6. Tighten the locknut at the brake lever. TIP When adjusting the rear brake lever free play: G Be sure not to step on the brake pedal. G Make sure the brake pedal does not
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 144
    be performed by a Yamaha dealer. EBU24230 Axle boots 1. Distance between brake pedal and footboard EWB02020 WARNING 8 POTENTIAL HAZARD Operating with improperly serviced or adjusted brakes. WHAT CAN HAPPEN You could lose braking ability, which could lead to an accident. The axle boots must be
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 145
    EBU24752 Brake light switches The operation of the brake light switches must be checked and, if necessary, adjusted at the intervals specified in the periodic maintenance and lubrication chart. The brake light switch for the brake pedal can be adjusted as follows, but the other brake light switches
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 146
    EWB02120 WARNING POTENTIAL HAZARD Damaged control cables. WHAT CAN HAPPEN Corrosion can result when the cable sheaths become damaged, and cables can also become frayed or kinked, which could restrict the operation of controls and lead to an accident or injury. HOW TO AVOID THE HAZARD Inspect cables
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 147
    EBU28832 EBU24962 Checking and lubricating the brake pedal The operation of the brake pedal should be checked before each ride, and the pedal pivot should be lubricated if necessary. TIP To access the brake pedal pivot, remove panel B. (See page 8-9.) Recommended lubricant: Lithium-soap-based
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 148
    Lubricate the universal joint using a grease gun. Recommended lubricant: Lithium-soap-based grease EBU25021 Checking the stabilizer bushes The stabilizer bushes must be checked for cracks or damage at the intervals specified in the periodic maintenance and lubrication chart. Have a Yamaha dealer
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 149
    EBU29171 Battery This model is equipped with a VRLA (Valve Regulated Lead Acid) battery. There is no need to check the electrolyte or to add distilled water. However, the battery lead connections need to be checked and, if necessary, tightened. ECB00620 NOTICE Never attempt to remove the battery
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 150
    ECB00930 3 4 2 1 1. 2. 3. 4. Bolt Battery holding plate Positive battery lead (red) Negative battery lead (black) NOTICE To charge a VRLA (Valve Regulated Lead Acid) battery, a special (constant-voltage) battery charger is required. Using a conventional battery charger will damage the battery. If
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 151
    1 2 1. Positive battery lead (red) 2. Negative battery lead (black) 1. Main fuse 2. Fuse box 3. Install the battery holding plate by installing the bolts. 4. Install the seat. (See page 4-19.) ECB00940 8 NOTICE Always keep the battery charged. Storing a discharged battery can cause permanent
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 152
    2. Remove the blown fuse, and then install a new fuse of the specified amperage. Specified fuses: Main fuse: 30.0 A Headlight fuse: 15.0 A Ignition fuse: 10.0 A Four-wheel-drive motor fuse: 10.0 A Signaling system fuse: 10.0 A Auxiliary DC jack fuse: 10.0 A Backup fuse: 10.0 A EWB02151 8 1. 2. 3.
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 153
    HOW TO AVOID THE HAZARD Always use a fuse of the specified rating. Never use a material in place of the proper fuse. 3. Turn the key to "ON" and turn on the electrical circuits to check if the devices operate. 4. If the fuse immediately blows again, have a Yamaha dealer check the electrical system.
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 154
    5. Insert a new headlight bulb into the bulb holder by pushing it in. 1. Headlight bulb holder 4. Remove the defective bulb by pulling it out. EWB02180 1. Do not touch the glass part of the bulb. ECB00650 WARNING 8 POTENTIAL HAZARD A headlight bulb is hot when it is on and immediately after it
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 155
    7. Install the bulb holder cover and the cover at the rear of the headlight. ECB00670 NOTICE Make sure the headlight bulb holder cover is securely fitted over the bulb holder and seated properly. 8. Adjust the headlight beam if necessary. EBU25551 Adjusting a headlight beam ECB00690 1. Headlight
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 156
    1. Tail/brake light assembly 2. Nut 1. Tail/brake light assembly 2. Tail/brake light bulb holder 2. Remove the bulb holder (together with the bulb) by turning it counterclockwise. 8 3. Remove the defective bulb by pushing it in and turning it counterclockwise. 8-58
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 157
    1. Tail/brake light bulb holder 2. Tail/brake light bulb 1. Wheel nut 4. Insert a new bulb into the bulb holder, push it in, and then turn it clockwise until it stops. 5. Install the bulb holder (together with the bulb) by turning it clockwise. 6. Install the tail/brake light assembly by
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 158
    G Tapered nuts are used for both the front and rear wheels. Install the nuts with their tapered side towards the wheel. 1. Tapered nut 8 1. Arrow mark 3. Lower the ATV to the ground. 4. Tighten the wheel nuts to the specified torques. Tightening torques: Front wheel nut: 55 Nm (5.5 m·kgf, 40 ft
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 159
    trouble may occur during operation. Any problem in the fuel, compression, or ignition systems, for example, can cause poor starting and loss of power. The following troubleshooting parts, but they are often inferior, have a shorter service life and can lead to expensive repair bills. EWB02260 HOW
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 160
    EBU25772 Troubleshooting charts Starting problems or poor engine performance 1. Fuel There is enough fuel. Check the fuel level in the fuel tank. There is no fuel. Supply fuel. Check the
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 161
    Engine overheating EWB02270 WARNING POTENTIAL HAZARD Removing the radiator cap when the engine and radiator are still hot. WHAT CAN HAPPEN You could be burned by hot fluid and steam blown out under pressure. HOW TO AVOID THE HAZARD Wait for the engine to cool before removing the radiator cap.
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 162
    EBU25860 CLEANING AND STORAGE EBU25870 Cleaning Frequent, thorough cleaning of your ATV will not only enhance its appearance but will improve its general performance and extend the useful life of many components. 1. Before cleaning the ATV: a. Block off the end of the exhaust pipe to prevent water
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 163
    and, if necessary, protect it against dust with a porous cover. ECB00720 Long-term Before storing your ATV for several months: 1. Follow all the instructions in the "Cleaning" section of this chapter. 2. Turn the fuel cock lever to "OFF". 3. Drain the carburetor float chamber by loosening the drain
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 164
    6. 7. 9 8. 9. c. Install the spark plug cap onto the spark plug, and then place the spark plug on the cylinder head so that the electrodes are grounded. (This will limit sparking during the next step.) d. Turn the engine over several times with the starter. (This will coat the cylinder wall with
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 165
    cylinder Displacement: 421.0 cm³ Bore × stroke: 84.5 × 75.0 mm (3.33 × 2.95 in) 10 30 40 50 ˚C -20 -10 0 10 20 Recommended engine oil grade: API service SG type or higher, JASO standard MA 10-1
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 166
    Engine oil quantity: Without oil filter cartridge replacement: 2.30 L (2.43 US qt, 2.02 Imp.qt) With oil filter cartridge replacement: 2.40 L (2.54 US qt, 2.11 Imp.qt) Fuel reserve amount: 4.5 L (1.19 US gal, 0.99 Imp.gal) Carburetor: Manufacturer: MIKUNI Type × quantity: BSR33 x 1 Final gear oil
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 167
    High range: 38/23 (1.652) Chassis: Frame type: Steel tube frame Caster angle: 2.5 ° Trail: 8.5 mm (0.33 in) Rear: 25.0 kPa (0.250 kgf/cm², 3.6 psi) Minimum: Front: 22.0 kPa (0.220 kgf/cm², 3.2 psi) Rear: 22.0 kPa (0.220 kgf/cm², 3.2 psi) Front wheel: Wheel type: Panel wheel Rim size: 12 x 6.0AT
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 168
    Front suspension: Type: Double wishbone Spring/shock absorber type: Coil spring/oil damper Wheel travel: 160 mm (6.3 in) Rear suspension: Type: Double wishbone Spring/shock absorber type: Coil spring/oil damper Wheel travel: 180 mm (7.1 in) Electrical system: Ignition system: DC. CDI Charging
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 169
    Four-wheel-drive motor fuse: 10.0 A 10 10-5
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 170
    EBU25981 CONSUMER INFORMATION EBU26011 EBU26020 Identification numbers Record the key identification number, vehicle identification number and model label information in the spaces provided below for assistance when ordering spare parts from a Yamaha dealer or for reference in case the ATV is
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 171
    1. Vehicle identification number (front left side) 1. Model label TIP The vehicle identification number is used to identify your ATV. EBU26050 Model label The model label is affixed at the location in the illustration. Record the information on this label in the space provided. This information
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 172
    EBU26060 Noise regulation TAMPERING WITH NOISE CONTROL SYSTEM PROHIBITED: Federal law prohibits the following acts or the causing thereof: (1) The removal or rendering inoperative by any person other than for purposes of maintenance, repair, or replacement of any device or element of design
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 173
    ) 15000 (9600) 17500 (11200) 20000 (12800) 22500 (14400) 25000 (16000) hours 20 80 160 320 480 640 800 960 1120 1280 1440 1600 DATE OF SERVICE MILEAGE SERVICING DEALER NAME AND ADDRESS REMARKS 11 11-4
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 174
    to: 1. Operate and maintain the ATV as specified in the appropriate owner's manual; 2. Give notice to an authorized Yamaha ATV dealer of any and all An inspection and registration fee will be charged for this service. EMISSION CONTROL SYSTEM WARRANTY Yamaha Motor Corporation, USA also warrants
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 175
    specified in the Owner's and Service Manual. We do recommend, however, service, you must take it to any authorized Yamaha ATV dealer within the continental United States. Be sure to bring your warranty registration card or other valid proof of the original date of purchase. If a question or problem
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 176
    no extra cost. TRIP gives you up to $150 reimbursement per occurrence for any reasonable expenses you incur because your Yamaha needs covered service: replacement vehicle rental, emergency towing, phone calls, even food and lodging when you are away from home. This superb coverage goes into effect
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 177
    isn ' t convenient, contact Yamaha with your Primar y ID number (your frame number). We ' ll be happy to help you get the Y.E.S. coverage you need. Yamaha Service Marketing P.O. Box 6555 Cypress, CA 90630 11 WARNING Indicates a potential hazard that could result in serious injury or death. 11-8
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 178
    EBU26132 11 11-9
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 179
    INDEX A Accessories and loading ...6-7 Accessories, auxiliary jack ...4-25 Air filter element, cleaning ...8-31 Axle boots ...8-46 D Differential gear lock indicator light ...4-3 Differential gear oil ...5-4, 8-25 Drive select lever ...4-14 Drive select lever and driving in reverse ...6-3 Drive
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 180
    Owner's manual and tool kit ...8-1 T Tail/brake light bulb, replacing ...8-57 Throttle cable free play, adjusting ...8-38 Throttle lever ...4-11, 5-6 Tire pressure, measuring ...5-8 Tires ...5-7 Tire wear limit ...5-9 Trailer hitch ...4-24 Troubleshooting ...8-61 Troubleshooting charts ...8-62
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 181
    V-belt case drain plug ...8-36 V-belt cooling duct check hose ...8-35 Vehicle identification number ...11-1 W Warranty, extended ...11-7 Warranty, limited ...11-5 Wheel hub bearings, checking ...8-49 Wheel, installing ...8-59 Wheel, removing ...8-59
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 182
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 183
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 184
    and control. with a passenger-passengers affect balance and steering and increase risk of losing control. LOCATE AND READ OWNER'S MANUAL. FOLLOW ALL INSTRUCTIONS AND WARNINGS. (For replacement manual, call 1-800-532-1558) NEVER operate: YAMAHA MOTOR CO., LTD. PRINTED IN USA 2008.06-2.4×1 CR (E)
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 185
  • 2009 Yamaha Motorsports Grizzly 450 4x4 | Owners Manual - Page 186
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This ATV should not be ridden by anyone under 16 years of age.
WARNING
OWNER’S MANUAL
37S-F8199-10
LIT-11626-22-47
YFM45FGY
READ THIS MANUAL CAREFULLY!
It contains important safety information.