2008 Yamaha Motorsports Apex LTX GT Owners Manual
2008 Yamaha Motorsports Apex LTX GT Manual
2008 Yamaha Motorsports Apex LTX GT manual content summary:
- 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 1
OWNER'S MANUAL RX10GTX RX10GTAX RX10LTGTX RX10LTGTAX LIT-12628-02-64 8GD-28199-12 - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 2
ESU10040 - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 3
you and your Yamaha dealer pay close attention to the recommended maintenance schedules and operating instructions contained within this manual. RX10GTX RX10GTAX RX10LTGTX RX10LTGTAX OWNER'S MANUAL ©2007 by Yamaha Motor Corporation, U.S.A. 1st Edition, March 2007 All rights reserved. Any reprinting - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 4
information ESU10150 EWS00020 WARNING EWS00010 WARNING PLEASE READ AND UNDERSTAND THIS MANUAL COMPLETELY BEFORE OPERATING THE SNOWMOBILE. Failure to follow WARNING instructions could result in severe injury or death to the snowmobile operator, a bystander, or a person inspecting or repairing - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 5
Contents Safety information ...1 Location of the important labels ...4 Description ...7 Control functions ...10 Main switch ...10 Throttle lever ...10 Engine overheating prevention system ...10 Throttle override system (T.O.R.S.) ...10 Speedometer unit ...12 High beam indicator light ...14 Low - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 6
Contents Adjusting the headlight beams ...Fittings and fasteners ...Battery ...Replacing a fuse ...67 67 67 67 Troubleshooting ...71 Storage ...75 Specifications ...77 Consumer information...79 Identification number records ...79 YAMAHA MOTOR CORPORATION, U.S.A. SNOWMOBILE LIMITED WARRANTY ...80 - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 7
taking drugs. Your ability to operate the snowmobile is reduced by the influence of alcohol or drugs. Before operating 1. Read the Owner's Manual and all labels before operating this snowmobile. Become familiar with all of the operating controls and their function. Consult a Yamaha dealer about any - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 8
Safety information G G G Fill the fuel tank outdoors with extreme care. Never remove the fuel cap indoors. Never fill the fuel tank indoors. Never refuel while smoking or in the vicinity of an open flame. Make sure that the fuel tank cap is closed securely after refueling. Wipe up any spilled - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 9
. Always refer to the "STORAGE" section on page 75 if the snowmobile is to be stored for an extended period. Maintain or replace safety and instruction labels, as necessary. 2. 3. 4. 5. 3 - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 10
Safety information ESU10231 Location of the important labels Please read the following labels carefully before operating this snowmobile. NOTE: Maintain or replace safety and instruction labels, as necessary. 4 - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 11
Safety information 3 4 5 6 CAUTION Cleaning with alkaline or acid cleaner, gasoline or solvent will damage windshield. Use neutral detergent. 3JJ-2835Y-A0 ATTENTION Eviter de nettoyer le pare-brise avec une solution alcaline ou acide ainsi qu'avec de l'essence ou un diluant. Utiliser un dé - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 12
Safety information NOTE: The following suspension adjustment charts are included with the Owner's Manual. 6 - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 13
Description ESU10260 1. Air filter 2. Battery 3. Coolant recovery tank 4. Coolant reservoir 5. Fuse box 6. Main fuse 7. Oil filler cap 8. Idle adjusting screw 9. Storage compartment 10. Tool kit 11. Tail/brake lights 12. Slide rail suspension 13. Drive track 14. V-belt holder 7 - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 14
Description 1. Brake lever 2. Parking brake lever 3. Grip warmer/rear suspension compression damping adjustment switch 4. Headlight beam switch 5. Engine stop switch 6. Thumb warmer adjustment switch 7. Throttle lever 8. Shift lever 9. Main switch 10. Auxiliary DC jack 11. Tachometer 12. "MODE" - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 15
Description NOTE: G G The snowmobile you have purchased may differ slightly from those shown in the figures of this manual. Design and specifications are subjected to change without notice. 9 - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 16
(T.O.R.S.) EWS00040 WARNING G If the T.O.R.S. is activated, make sure that the cause of the malfunction has been corrected and that the engine can be operated without a problem before restarting the engine. 10 - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 17
Off Open T.O.R.S. will operate. 1. Throttle position sensor (throttle valve open position) 2. Throttle switch (on) Trouble Run Run Idling / starting 1. Throttle position sensor (throttle valve open position) 2. Throttle switch (off) NOTE: G 1. Throttle position sensor (throttle valve closed - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 18
Control functions After the engine is started, the tachometer makes one sweep, and the low coolant temperature indicator light, the warning light, and all segments of the meter display turn on and off once. 1. Warning light " " 2. Self-diagnosis warning indicator " 3. Two-digit code "84" ESU12601 - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 19
Control functions To reset a tripmeter, push the "RESET" button for at least 1 second while the tripmeter is displayed. NOTE: G G To switch the speedometer, odometer, and tripmeter displays between kilometers and miles, select the odometer mode "ODO", and then push the "SELECT" button for at - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 20
Control functions ESU10471 Low coolant temperature indicator light " " The low coolant temperature indicator light comes on when the coolant temperature is low and informs the rider that the snowmobile should be warmed up. After the engine is started, warm it up until the indicator light goes off. - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 21
Control functions the compression damping force level of the electronically controlled rear shock absorber respectively. NOTE: The snowmobile must be stopped on a level surface to obtain an accurate fuel meter reading, since the reading changes according to the movement and inclination of the - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 22
Control functions G 1. Grip warmer/rear suspension compression damping adjustment switch G The top segment of the fuel meter, grip warmer level indicator, rear suspension compression damping level indicator, and thumb warmer level indicator flashes once when the corresponding adjustment reaches - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 23
of the snowmobile. The fuel level warning indicator, warning light, and all segments of the fuel meter warn the rider of the above problems by flashing continuously. When this occurs, have a Yamaha dealer inspect the snowmobile as soon as possible. 1. Oil level warning indicator " 2. Warning light - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 24
WARNING If the self-diagnosis warning indicator and warning light flash continuously, and an error code is displayed during operation, there may be some problem with an electrical circuit, couplers, etc. Note the error code, and then have a Yamaha dealer inspect the snowmobile as soon as possible in - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 25
Control functions See "Fuel meter, grip warmer level indicator, rear suspension compression damping level indicator, and thumb warmer level indicator" on page 14 for detailed information. 1. Engine stop switch" " During the first few rides, practice using the stop switch so that you can react - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 26
does not project out over the handlebar end. This will help prevent brake lever damage when the snowmobile is placed on its side for service. The brake lever is equipped with a position adjuster. To adjust the brake lever position: 1. Loosen the locknut. 2. While lightly pushing the brake lever in - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 27
Control functions 3. Tighten the locknut securely after adjusting the brake lever. ESU10590 Shift lever The shift lever is used to put the snowmobile into forward or reverse. After coming to a complete stop, pull the shift lever out, slide it to "FWD" or to "REV" until it stops, and then release it - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 28
G G Do not drive the snowmobile with the shroud or covers unfastened or removed. Keep your body and clothing away from rotating parts when servicing the snowmobile with the shroud or covers removed. Do not touch the hot muffler and engine during or immediately after operation. 1. Shroud 2. Right - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 29
Control functions ESU10750 ESU10810 Drive guard The drive guard is designed to cover the Vbelt clutch and V-belt in case parts break or come loose. Storage compartment Open the storage compartment to store the tool kit, spare parts, or other small items. 1. Storage compartment 1. Drive guard - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 30
Control functions G G Do not use alcohol deicers or water absorbing additives with oxygenated fuel. The fuel tank should be filled with straight gasoline as specified. ESU10870 Suspension The suspension can be adjusted to suit rider preference. A softer setting, for example, may provide greater - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 31
Control functions Compression damping force The compression damping force of each ski shock absorber can be adjusted by turning the compression damping force adjusting knob. To increase the compression damping force, turn the adjusting knob in direction (a). To decrease the compression damping force - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 32
Control functions 1. Rebound damping force adjusting knob 1. Spring preload adjusting ring 2. Spring seat length Rebound damping setting: Minimum (soft): RX10GT / RX10LTGT 20 RX10GTA / RX10LTGTA 30 click(s) in direction (b)* Standard: RX10GT / RX10LTGT 12 RX10GTA / RX10LTGTA 20 click(s) in - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 33
Control functions 1. 2. Loosen the locknut. Turn the control rod adjuster in direction (a) to increase weight transfer or direction (b) to decrease weight transfer. 1. Grip warmer/rear suspension compression damping adjustment switch Adjusting the rebound damping force The rebound damping force - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 34
Control functions Locknut tightening torque: 35 Nm (3.5 m·kgf, 25 ft·lb) ECS00320 CAUTION: When using the special wrench, make sure that it is situated at a right angle to the control rod, and that it is tightly fitted to the locknut or the control rod adjuster. 28 - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 35
Pre-operation checks ESU11070 The condition of a snowmobile is the owner's responsibility. Vital components can start to deteriorate quickly and unexpectedly, even if the snowmobile remains unused (for example, as a result of exposure to the elements). Any damage or fluid leakage could have serious - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 36
Pre-operation checks ITEM Tool kit and recommended equipment Shroud and covers Skis and ski runners Drive track Slide runners Steering Lights, signals and switches Throttle lever Throttle override system (T.O.R.S.) CHECKS • Check for proper placement. • Make sure that the shroud and covers are - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 37
Operation ESU11300 Starting the engine EWS00200 WARNING G G Be sure to check the "SAFETY INFORMATION" section carefully before starting the engine. Make sure that the parking brake is applied. 1. Start ECS00330 CAUTION: G G NOTE: Make sure that the engine stop switch is in the on position. - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 38
the oil filter cartridge replaced. If any engine trouble should occur during the engine break-in period, the snowmobile, read this Owner's Manual completely and understand the operation of difficult terrain. Set the parking brake and follow the instructions on page 31 to start the engine. Once the - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 39
Operation EWS00220 WARNING G G Many surfaces such as ice and hardpacked snow require much longer stopping distances. Be alert, plan ahead, and begin decelerating early. Improper use of the brake can cause the drive track to lose traction, reduce control, and increase the possibility of an - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 40
Operation snowmobile from the uphill side. Restart the engine, release the parking brake, and descend the hill. EWS00230 WARNING Side hills and steep slopes are not recommended for a novice snowmobiler. uphill side. A recommended riding position is to kneel with the knee of your downhill leg on - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 41
Operation Hard-packed snow It can be more difficult to negotiate on hardpacked snow as both the skis and drive track do not have as much traction as when the snowmobile is operated on fresh snow. Avoid rapid acceleration, turning, and braking. G G Always check the drive track for damage or - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 42
Operation etc. If snow coverage is not sufficient, stay on trails to avoid impact damage to the drive track. G Reduce speed and avoid sharp turning when operating the snowmobile in reverse. To select the desired operating position, pull the shift lever out, slide it to "FWD" or to "REV" until it - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 43
Operation 2. Release the parking brake by moving the parking brake lever to the right. G Make sure that the key is removed from the main switch whenever the operator leaves the snowmobile, to prevent accidental starting. 3. 4. 5. 6. Press the throttle lever slowly to move the snowmobile. Turn the - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 44
dealer do it for you. PROPER PERIODIC MAINTENANCE OF YOUR SNOWMOBILE IS IMPORTANT IN ORDER TO ENJOY LONG, PLEASURABLE SERVICE. ESPECIALLY IMPORTANT ARE THE MAINTENANCE SERVICES RELATED TO EMISSION CONTROL. THESE CONTROLS NOT ONLY FUNCTION TO ENSURE CLEANER AIR, BUT ARE ALSO VITAL TO PROPER ENGINE - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 45
Periodic maintenance INITIAL ITEM REMARKS 1 month or 800 km (500 mi) (40 hr) EVERY Seasonally or 4000 km (2500 mi) (200 hr) PAGE * Exhaust system • Check for leakage. • Tighten or replace gasket if necessary. - * It is recommended that these items be serviced by a Yamaha dealer. 39 - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 46
Periodic maintenance ESU11560 General maintenance and lubrication chart INITIAL ITEM REMARKS 1 month or 800 km (500 mi) (40 hr) EVERY Seasonally or 4000 km (2500 mi) (200 hr) PAGE Engine oil * Engine oil filter cartridge Cooling system • Change (warm engine before draining) • Replace. • Check - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 47
and front suspension Suspension component Fittings and fasteners - * * 65 65 67 * Battery 67 * It is recommended that these items be serviced by a Yamaha dealer. NOTE: Brake system: G After disassembling the master cylinder or caliper cylinder, always change the brake fluid. Regularly check - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 48
the tool kit is properly seated in its holder and is securely fastened. 1. Shroud NOTE: If you do not have a torque wrench available during a service operation requiring one, take your snowmobile to a Yamaha dealer to check the torque settings and adjust them if necessary. ESU11750 To install the - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 49
side cover into the hole in the lower side cover. Top cover To remove the top cover 1. Remove the screws, and then remove the cable guide. To install the top cover 1. Connect the main switch coupler and auxiliary DC jack coupler, place the top cover in the original position, and then - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 50
G Keep your body and clothing away from rotating parts when servicing the snowmobile with the shroud or covers removed. Do not indicate an intake track air leak or carburetion problem for that cylinder. Do not attempt to diagnose such problems yourself. Instead, take the snowmobile to a Yamaha - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 51
Periodic maintenance When installing the spark plug, always clean the gasket surface. Wipe off any grime from the threads and tighten the spark plug to the specified torque. Spark plug tightening torque: 12.5 Nm (1.25 m·kgf, 9 ft·lb) ECS00380 CAUTION: Make sure that the spark plug caps are securely - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 52
Periodic maintenance 2. Remove the headlight unit bolt on each side of the snowmobile and the bolts shown on the top cover. 1. Locknut 2. Throttle cable free play adjusting bolt 3. Throttle cable free play 1. Headlight unit bolt Throttle cable free play: 2.0-3.0 mm (0.08-0.12 in) 6. 7. Tighten the - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 53
Periodic maintenance ESU11861 Checking the throttle override system (T.O.R.S.) Check the T.O.R.S. for proper operation. EWS00351 WARNING When checking the T.O.R.S.: G Make sure that the parking brake is applied. G Make sure that the throttle lever moves smoothly. G Do not rev the engine to the - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 54
Periodic maintenance 3. Remove the headlight unit bolt on each side of the snowmobile and the bolts shown on the top cover. 6. 1. Headlight unit bolt 7. 8. Place the air filter element frame in the original position, and then install the air filter case cover. Install the air filter case cover - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 55
Periodic maintenance Headlight unit bolt tightening torque: 3 Nm (0.3 m·kgf, 2.2 ft·lb) 10. Install the bolts on the top cover. 11. Install the shroud. ECS00430 CAUTION: The drive chain gears and V-belt clutch should be adjusted when operating above a high altitude of 900 m (3000 ft). Consult a - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 56
Periodic maintenance G The oil filter cartridge should be replaced every 20000 km (12000 mi) of operation. Have a Yamaha dealer replace the oil filter cartridge. ECS00451 CAUTION: Disconnect the oil level gauge coupler before removing the oil filler cap, otherwise the cable could twist and break. - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 57
Periodic maintenance ECS00461 CAUTION: G G G When adding the engine oil, be careful not to fill above the "H" level mark on the dipstick. Use only 4-stroke engine oil. Make sure that no foreign material enters the engine oil tank. 7. Insert the dipstick into the oil filler hole, and then - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 58
Periodic maintenance 9. Remove the engine oil drain bolt to drain the oil from the crankcase. 13. Add sufficient oil of the recommended type to raise it to the "H" level mark on the dipstick. (See above for checking procedures.) 1. Engine oil drain bolt (crankcase) NOTE: Dispose of used oil - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 59
Periodic maintenance bile. Continuing to operate the engine under such conditions could cause severe engine damage. ESU12010 Cooling system The coolant level should be checked before each ride. In addition, the cooling system must be bled of air at the intervals specified in the periodic - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 60
Periodic maintenance Replenishing the coolant 1. 2. Remove the top cover. (See page 42 for removal procedures.) Remove the coolant reservoir cap, fill the reservoir with the recommended coolant, and then install the cap. 5. Check the coolant reservoir. If it is not full, remove the coolant reservoir - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 61
Periodic maintenance 3. Install the drive guard, and then install the left side cover and the shroud. To replace and adjust the V-belt EWS00410 ECS00510 CAUTION: As the V-belt wears, adjustment may be necessary. To ensure proper clutch performance, the V-belt position should be adjusted by adding a - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 62
Periodic maintenance Standard V-belt position: From 1.5 mm (0.06 in) above the edge of the secondary sheave assembly to 0.5 mm (0.02 in) below the edge. 6. If the V-belt position is incorrect, adjust it by removing or adding a spacer on each V-belt position adjusting bolt. 1. V-belt 4. 5. Remove - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 63
Periodic maintenance 7. Tighten the V-belt position adjusting bolts. V-belt position adjusting bolt tightening torque: 10 Nm (1.0 m·kgf, 7.2 ft·lb) 8. 9. Install the V-belt over the primary sheave assembly. Rotate the secondary sliding sheave clockwise and push it so that it separates from the - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 64
Periodic maintenance 1. Maximum level mark 2. Minimum level mark 1. Notch 2. Projection Recommended drive chain oil: SAE 75W or 80W API GL-4 Gear oil ECS00530 6. Install the right side cover and the shroud. To adjust the chain tension 1. Remove the shroud and the right side cover. (See page 42 - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 65
maintenance G Do not operate the snowmobile if you find any problems in the brake system. You could lose braking ability, . This will help prevent brake lever damage when the snowmobile is placed on its side for service. Test the brake at a low speed when starting out to make sure that it is - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 66
Periodic maintenance Checking the brake fluid level EWS00460 WARNING Be careful that water does not enter the master cylinder when refilling. Water will significantly lower the boiling point of the fluid and may result in vapor lock. If the brake fluid level goes down, consult a Yamaha dealer. 1. - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 67
Periodic maintenance G G All oil seals of the master cylinder and caliper cylinder The brake hose ESU12141 Skis and ski runners Check the skis and ski runners for wear and damage. Replace if necessary. To align the skis 1. Turn the handlebar so the skis face straight ahead. 2. Check the - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 68
to allow the drive track to spin, a suitable stand must be used to support the rear of the snowmobile. Never allow anyone to hold the rear of the is damaged to the depth where fabric reinforcement material is visible or support rods are broken. Otherwise, track damage or failure could result in - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 69
align the drive track by turning the left and right adjusting nuts. WARNING G G G Be sure to have a Yamaha dealer make this adjustment. Support the snowmobile securely on a suitable stand before working underneath the snowmobile. Operate the engine in a well-ventilated area. Lift the rear of the - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 70
Periodic maintenance 5. Adjust the drive track deflection to specification. Drive track deflection Left adjusting nut Right adjusting nut ECS00591 More than specified Turn in Turn in Less than specified Turn out Turn out CAUTION: 1. Left adjusting nut 2. Right adjusting nut The right and left - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 71
Periodic maintenance ECS00350 CAUTION: Ride on fresh snow frequently. Operating on ice or hard-packed snow will rapidly wear the slide runners. ESU12190 Lubrication Lubricate the following points with the specified grease. EWS00510 WARNING G 1. Lubrication point G Apply a dab of grease onto - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 72
Periodic maintenance 1. Screw 1. Bulb holder 6. 7. Remove the bulb. Install the new bulb, and then hook the bulb holder onto the headlight unit. Bulb type: Halogen bulb ECS00620 CAUTION: 1. Screw 2. Headlight access panel 3. 4. Disconnect the headlight coupler. Remove the bulb holder cover. - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 73
Periodic maintenance ESU12270 EWS00540 Adjusting the headlight beams 1. 2. Remove the top cover. (See page 42 for removal procedures.) Use a Phillips screwdriver to turn the headlight beam adjusting screw and adjust the headlight beams. To lower the headlight beams, turn the headlight beam - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 74
Periodic maintenance 1. Headlight unit bolt 3. Unhook the air filter case fastener and disconnect the air temperature sensor coupler. 1. 2. 3. 4. Crankcase breather hose clamp Bypass air hose clamp Crankcase breather hose Bypass air hose 6. Slide the clamp down, and then disconnect the air - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 75
Periodic maintenance Specified fuses: Main fuse: 40.0 A Fuel injection system fuse: 10.0 A "HEAD" (headlight) fuse: 20.0 A "SIG" (signal) fuse: 10.0 A "DC TERM" (auxiliary DC jack) fuse: 3.0 A "IGN" (ignition) fuse: 20.0 A "BACK UP" (backup) fuse: 3.0 A "FAN" (radiator fan) fuse: 4.0 A "ECS" ( - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 76
Periodic maintenance Headlight unit bolt tightening torque: 3 Nm (0.3 m·kgf, 2.2 ft·lb) 14. Install the top cover, the left and right side covers, and the shroud. NOTE: If the fuse immediately blows again, ask a Yamaha dealer to inspect the snowmobile. 70 - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 77
Troubleshooting ESU12381 3. Engine turns over but does not start 1. Fuel system No fuel supplied to combustion chamber • No fuel in tank: Supply fuel. • Clogged fuel line: - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 78
Troubleshooting To start the engine using the booster battery 1. Apply the parking brake and turn the main switch to the off position. 2. Remove the shroud and - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 79
Troubleshooting NOTE: Make sure that both the red (+) connecting lead and the black (-) connecting lead are seated securely in the lead holders. Electric starter does not - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 80
Troubleshooting Snowmobile does not move G G G G Malfunctioning V-belt clutch: Ask a a Yamaha dealer to inspect. Oily or dirty V-belt or primary and secondary sheave assembly surfaces: Clean. Problem with the driveline: See "V-belt twists" above. Worn or damaged drive track: Ask a Yamaha dealer - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 81
Storage ESU12430 ECS00680 CAUTION: Long-term storage requires some preventive procedures to guard against deterioration. Do not attempt to store the snowmobile by simply starting the engine occasionally during the storage period. This can cause more harm than good! Moisture and acids form during - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 82
a plastic or vinyl cover-condensation could be trapped underneath which could increase the chances of rusting. Returning to service after storage When returning your snowmobile to service, install the V-belt and battery and adjust the drive track. Remove the spark plugs and clean or replace them - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 83
cylinder Displacement: 998.0 cm³ Bore × stroke: 74.0 × 58.0 mm (2.91 × 2.28 in) Idling speed: 1400-1600 r/min Engine oil: Recommended grade: API service SG type or higher, JASO standard MA Type: SAE 0W-30 Fuel injection: Model × quantity: 39EIDW × 2 Manufacturer: MIKUNI Fuel: Type: REGULAR UNLEADED - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 84
Specifications Secondary reduction ratio [R]: RX10GT 2.08 RX10GTA 2.08 RX10LTGT 2.17 RX10LTGTA 2.17 Fuel tank capacity: 35.6 L (9.41 US gal) (7.83 Imp.gal) Engine oil quantity: With oil filter cartridge replacement: 3.0 L (3.17 US qt) (2.64 Imp.qt) Without oil filter cartridge replacement: 2.8 L (2. - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 85
Consumer information ESU12480 Identification number records Record the frame serial number, engine serial number (Primary ID), and key identification number in the spaces provided for assistance when ordering spare parts from a Yamaha dealer. Also, record and keep the ID numbers in a separate place - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 86
and maintain the snowmobile as specified in the appropriate Owner's Manual. WARRANTY TRANSFER: To transfer any remaining warranty from the original . An inspection and registration fee will be charged for this service. EMISSION CONTROL SYSTEM WARRANTY Yamaha Motor Corporation, USA also warrants - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 87
of having the dealer do them? A. Yes, if you are a qualified snowmobile mechanic and follow the procedures specified in the Owner's and Service Manual. We do recommend, however, that items requiring special tools or equipment be done by a Yamaha snowmobile dealer. Q. Under what conditions is the - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 88
machine requires warranty service, you must take it to any authorized Yamaha snowmobile dealer within the continental United States. Be sure to bring your warranty identification card or other valid proof of the original date of purchase. If a question or problem arises regarding warranty, first - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 89
Consumer information ESU12510 YAMAHA EXTENDED SERVICE (Y.E.S.) 83 - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 90
Index A Air filter, checking...47 Auxiliary DC jack ...19 B Battery...67 Brake and parking brake ...58 Brake lever ...20 Break-in...31 C Control rod, adjusting ...27 Coolant temperature warning indicator ...18 Cooling system...53 D Drive chain housing...57 Drive guard...23 Drive track and slide - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 91
Index Transporting ...37 Troubleshooting ...71 V Valve clearance...49 V-belt...54 V-belt holders ...23 - 2008 Yamaha Motorsports Apex LTX GT | Owners Manual - Page 92
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YAMAHA MOTOR CO., LTD. PRINTED IN JAPAN 2007.04-0.9×1 CR PRINTED ON RECYCLED PAPER
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OWNER’S MANUAL
RX10GTX
RX10GTAX
RX10LTGTX
RX10LTGTAX
8GD-28199-12
LIT-12628-02-64