2005 Yamaha Motorsports RS Venture Owners Manual
2005 Yamaha Motorsports RS Venture Manual
2005 Yamaha Motorsports RS Venture manual content summary:
- 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 1
SNOWMOBILE OWNER'S MANUAL RST90K LIT-12628-02-39 8ET-28199-10 - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 2
- 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 3
A ESU00286 1- MACHINE IDENTIFICATION Identification number records A. FRAME NUMBER: CZ-01E B B. ENGINE NUMBER (PRIMARY ID): CZ-01E C. KEY NUMBER: C CZ-01E Record the frame number, engine number (Primary ID), and key number in the spaces provided for assistance when ordering spare parts from a - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 4
important that you and your Yamaha dealer pay close attention to the recommended maintenance schedules and operating instructions contained within this manual. RST90K OWNER'S MANUAL ©2004 by Yamaha Motor Corporation, U.S.A. 1st Edition, June 2004 All rights reserved. Any reprinting or unauthorized - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 5
when resold. @ Particularly important information is distinguished in this manual by the following notations. The Safety Alert Symbol means ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED! WARNING @ Failure to follow WARNING instructions could result in severe injury or death to the snowmobile - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 6
ESU00003 CONTENTS YAMAHA MOTOR CORPORATION, U.S.A. SNOWMOBILE LIMITED WARRANTY ...1-1 YAMAHA EXTENDED SERVICE (Y.E.S.) ...1-4 LOCATION OF THE IMPORTANT LABELS...2-1 SAFETY INFORMATION ...3-1 DESCRIPTION ...4-1 CONTROL FUNCTIONS ...5-1 Main switch...5-1 Starter lever (choke) ...5-2 Throttle lever - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 7
adjustment ...8-27 Lubrication ...8-29 Headlight bulb replacement...8-30 Headlight beam adjustment...8-30 Battery ...8-31 Fuse replacement...8-31 TROUBLESHOOTING ...9-1 STORAGE ...10-1 SPECIFICATIONS ...11-1 Dimensions...11-1 Engine ...11-1 Chassis...11-2 Electric...11-3 WIRING DIAGRAM ...12 - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 8
ESU00004 1- YAMAHA MOTOR CORPORATION, U.S.A. SNOWMOBILE LIMITED WARRANTY CW-01E 1-1 - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 9
CW-02E 1-2 - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 10
CW-03E 1-3 - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 11
ESU04280 YAMAHA EXTENDED SERVICE (Y.E.S.) CW-06E 1-4 - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 12
ESU04050 2- 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. @ 1 2 2-1 - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 13
NOTE: @ The following suspension adjustment charts are included with the Owner's Manual. @ 2-2 - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 14
the following for your safety. Severe injury or death may result if you ignore any of the following. 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 - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 15
7. Handle fuel with care; it is HIGHLY FLAMMABLE. G Never add fuel when the engine is running or hot. Allow the engine to cool for several minutes after running. G Use an approved fuel container. G Fill the fuel tank outdoors with extreme care. Never remove the fuel cap indoors. Never fill the fuel - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 16
an enclosed space. 4. Always refer to the "STORAGE" section if the snowmobile is to be stored for an extended period. 5. Maintain or replace safety and instruction labels, as necessary. 3-3 - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 17
ESU00012 4- DESCRIPTION 1 2 3 4 5 6 7 8 9 0 A B C Windshield Steering handlebar Seat Passenger grip warmer switch Large solo touring storage area Rear carrier Frame Slide rail suspension Drive track Skis Headlights Shroud Storage compartment 4-1 - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 18
D E F G H I J K L M N O P Q R S T U V W X Y Z [ \ ] _ a Side mirror Tail/brake lights Snow flap Brake lever Parking brake lever Grip warmer adjustment switch Headlight beam switch Engine stop switch Thumb warmer adjustment switch Throttle lever Shift lever Shroud latch Main switch Auxiliary DC jack - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 19
ESU00013 5- CONTROL FUNCTIONS ESU00362 Main switch The main switch controls the following items. 1 "OFF" The ignition circuit is switched off. The key can be removed only in this position. 2 "ON" The ignition circuit is switched on. 3 "START" The starting circuit is switched on. The starter - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 20
ESU00201 Starter lever (choke) Use the starter lever (choke) when starting and warming up a cold engine. 1 2 3 4 Starter lever (choke) When starting a cold engine. Warming up When the engine is warm. NOTE: @ Refer the "Starting the engine" section for proper operation. @ ESU00022 Throttle lever - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 21
has been corrected and that the engine can be operated without a problem before restarting the engine. Be sure to use the specified spark T.O.R.S. will not work properly. Mode A B Running On Open Run C Trouble Off Open T.O.R.S. will operate CA-19E B Item Throttle switch Throttle position sensor - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 22
ESU04160 Speedometer unit The speedometer unit is equipped with the following: G a digital speedometer (which shows riding speed) G an odometer (which shows the total distance traveled) G a tripmeter (which shows the distance traveled since it was last set to zero) G warning indicators (which show - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 23
ESU03821 Fuel meter and grip/thumb warmer level indicator The fuel meter and grip/thumb warmer level indicator have eight segments 1 which show the amount of fuel remaining in the fuel tank, the grip warmer level, or the thumb warmer level. Fuel meter As the fuel level decreases in the fuel tank, - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 24
of the snowmobile. The fuel level warning indicator 1, warning light 2, and all segments of the fuel meter 3 warn the rider of the above problems by flashing continuously. When this occurs, have a Yamaha dealer inspect the snowmobile as soon as possible. ESU00377 Oil level warning indicator The oil - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 25
G G G 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 the electrical circuit, lead couplers, etc. Stop the engine and allow it to cool off. Then, check that the wire harness couplers in - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 26
end 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. @ 5-8 - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 27
A ESU00035 Parking brake lever When parking the snowmobile or starting the engine, apply the parking brake by moving the brake lever 1 to the left. To release the parking brake, move the parking brake lever 1 to the right. B È To apply the parking brake É To release the parking brake WARNING @ G - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 28
ESU00039 Headlight beam switch Push the headlight beam switch to change the headlight beam to high or low. 1 2 3 4 Headlight beam switch Push High beam Low beam ESU04300 Auxiliary DC jack The auxiliary DC jack is located in the front panel and can be used for accessories. NOTE: @ The auxiliary - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 29
ESU04290 Passenger grip warmer switch The passenger grip warmer switch controls the electrically heated passenger grips. 1 2 3 4 Passenger grip warmer switch Off "HI" High "LO" Low ESU04311 Footrests The footrests can be installed in two locations to suit passenger preference. To change the - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 30
WARNING @ G G G @ Do not drive the snowmobile with the shroud open, unlatched, or removed. Keep your body and clothing away from rotating parts when servicing with the shroud open. Do not touch the hot muffler and engine during or immediately after operation. ESU00521 Drive guard The drive guard - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 31
ESU00053 V-belt holders Keep a spare V-belt for emergency use by placing it into the V-belt holders provided. CAUTION: @ Make sure that the V-belt is installed securely in the holders. @ ESU04322 Storage areas This snowmobile is equipped with a storage compartment, rear storage area, and rear - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 32
To remove the passenger seat, backrest, and rear carrier 1. Pull the carrier lock lever 1 away from the carrier lock bracket, and then push it down to unlock the backrest 2 and the rear carrier 3. 2. Slide both the backrest and the rear carrier forward until they stop, and then remove them. 3. - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 33
1. Install the passenger seat, and then install the passenger seat lock knob. 2. Align the holes 1 in the backrest bracket with the bolts 2 on the carrier lock bracket, and then place the backrest on the carrier lock bracket. 3. Align the holes in the rear carrier with the bolts on the carrier lock - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 34
ESU00072 6- PRE-OPERATION CHECKS NOTE: @ Pre-operation checks should be made each time the snowmobile is used. @ WARNING @ The engine and muffler will be very hot after the engine has been run. Avoid touching the engine and muffler while they are still hot with any part of your body or - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 35
CAUTION: @ G G G G @ Oxygenated fuels (gasohol) containing a maximum 5% of ethanol can be used, although richer jetting may be required to prevent engine damage. Consult a Yamaha dealer. Gasohol containing methanol is not recommended. Make sure that snow or ice does not enter the fuel tank when - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 36
ESU03441 Engine oil level The engine oil level should be checked before each use. CAUTION: @ Do not run the engine with too much or not enough oil in the oil tank. Oil could flow into the air filter case and the engine could be damaged. @ Checking the engine oil level 1. Place the snowmobile on - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 37
6. Insert the oil level gauge/dipstick into the oil filler hole, and then tighten it securely. 7. Connect the oil level gauge coupler. ESU00086 Coolant Check the coolant level in the coolant reservoir when the engine is cold. If the coolant level is below the "COLD LEVEL" mark, add soft water until - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 38
ESU00087 Throttle lever Check the throttle lever operation before starting the engine. The throttle lever must open smoothly and spring back to its home position when released. ESU00090 Throttle override system (T.O.R.S.) Check the T.O.R.S. for proper operation. WARNING @ When checking T.O.R.S.: - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 39
WARNING @ G G A soft, spongy feeling in the brake lever indicates a failure in the brake system. Do not operate the snowmobile if you find any problems in the brake system. You could lose braking ability, which could lead to an accident. Ask a Yamaha dealer to inspect and repair the brake system - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 40
ESU00093 Brake fluid leakage Apply the brake for a few minutes. Check to see if any brake fluid leaks out from the brake hose joints or the master cylinder. WARNING @ If brake fluid leakage is found, ask a Yamaha dealer for immediate repairs. @ CAUTION: @ Brake fluid may deteriorate painted - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 41
ESU00097 Drive track Check the drive track for deflection, wear, or damage. Adjust or replace if necessary. (See pages 8-29-8-31 for more details.) WARNING @ Do not operate the snowmobile if you find damage to the drive track, or if it has been maladjusted. Drive track damage or failure could - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 42
ESU01020 Skis and ski runners Check the skis and ski runners for wear and damage. Replace if necessary. Ski runner wear limit a: 8 mm (0.31 in) Ski wear limit b: 24 mm (0.94 in) CAUTION: @ Avoid scratching the skis when loading and unloading the snowmobile, when riding in areas with little or no - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 43
air filter element. If there is any snow under the air filter element, remove the snow. Then install the air filter element beneath the holding guides on the case and install the air filter case cover. NOTE: @ After riding the snowmobile, make sure that there is no snow under the air - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 44
ESU00345 Tool kit and recommended equipment It is good practice to carry the tool kit, spare parts, and other necessary equipment with you while riding the snowmobile so that minor repairs can be done if necessary. The following should be carried at all times: G G G G G G G G G Tool kit Flashlight - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 45
ESU00112 7- OPERATION ESU00366 Starting the engine WARNING @ G G @ Be sure to check the "SAFETY INFORMATION" section carefully before starting the engine. Make sure that the parking brake is applied. NOTE: @ Make sure that the engine stop switch is in the on position. The starter motor - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 46
operated normally. CAUTION: @ G G After 800 km (500 mi) of operation, the engine oil must be changed and the oil filter cartridge replaced. If any engine trouble should occur during the engine break-in period, immediately have a Yamaha dealer check the snowmobile. @ 7-2 - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 47
riding safely. Before operating the snowmobile, read this Owner's Manual completely and understand the operation of the controls. Pay particular handling and performance characteristics. Set the parking brake and follow the instructions on pages 7-1-7-2 to start the engine. Once the engine has - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 48
Turning Riding uphill For most snow surfaces, "body English" is the key to turning. As you approach a curve, slow down and begin to turn the handlebar in the desired direction. As you do so, put your weight on the running board to the inside of the turn and lean your upper body into the turn. This - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 49
Riding downhill When riding downhill, keep speed to a minimum. It is important to apply just enough throttle to keep the clutch engaged while descending the hill. This will allow you to use engine compression to help slow the snowmobile, and to keep the snowmobile from rolling freely down the hill. - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 50
Hard-packed snow It can be more difficult to negotiate on hard-packed 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. @ WARNING Drive track damage or failure could result in loss of - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 51
ESU00251 Maximizing drive track life Recommendations Track tension During initial break-in, the new drive track will tend to stretch quickly as the track settles. Be sure to correct the track tension and alignment frequently. (See pages 8-29-8-31 for adjustment procedures.) A loose track can slip ( - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 52
ESU04360 Driving WARNING @ Be sure to read the "SAFETY INFORMATION" and "Riding your snowmobile" sections carefully before operating the snowmobile. @ NOTE: @ Make sure that the engine is warmed up enough before riding. @ 1. To select the desired operating position, pull the shift lever out, - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 53
2. Release the parking brake by moving the parking brake lever to the right. 3. Press the throttle lever slowly to move the snowmobile. 4. Turn the handlebar in the desired direction. 5. Squeeze the brake lever to stop the snowmobile. 6. Apply the parking brake by moving the parking brake lever to - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 54
ESU00367 Transporting When transporting your snowmobile on a trailer or in a truck, observe the following recommendations to help protect it from damage: G Make sure that the fuel level in the fuel tank is lower than the bottom of the carburetors. Otherwise, the vibration and bumps from the road - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 55
leakage. Tighten or replace gasket if necessary. Carburetor Engine stop switch Throttle override system (T.O.R.S.) Throttle lever ∗ Exhaust system 5-8 5-3, 6-5 5-2, 6-5 ∗ It is recommended that these items be serviced by a Yamaha dealer. 8-1 - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 56
Drive chain oil Drive chain Skis and ski runners Steering system Lights ∗ Battery 8-17-8-18 8-18 6-9 6-9 6-9, 8-35 8-36 ∗ It is recommended that these items be serviced by a Yamaha dealer. 8-2 - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 57
placement. Whenever operating elevation is changed. G G G G G G G G G G 5-10 6-11 6-11 8-34 8-34 8-34 ∗ It is recommended that these items be serviced by a Yamaha dealer. NOTE: @ Brake fluid replacement: 1. When disassembling the master cylinder or caliper cylinder, replace the brake fluid - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 58
@ 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 track air leak or carburetion problem for that cylinder. Do not attempt to diagnose such problems yourself. Instead, take the snowmobile - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 59
Spark plugs are produced in several different thread lengths. The thread length or reach is the distance from the spark plug gasket seat to the end of the threaded portion. If the reach is too long, overheating and engine damage may result. If the reach is too short, spark plug fouling and poor - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 60
ESU00370 Engine idle speed adjustment CAUTION: @ G G G @ Be sure to have a Yamaha dealer make this adjustment. Make sure that the throttle lever moves smoothly. Make sure that the carburetor is synchronized first. 1. Start the engine and warm it up. NOTE: @ Refer to the "Starting the engine" - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 61
ESU04190 Carburetor adjustment CAUTION: @ G G @ Be sure to have a Yamaha dealer make this adjustment. Make sure that the air filter case is installed during running to prevent engine damage. Under some operating conditions the carburetor setting may have to be changed due to air temperature - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 62
Main jet replacement Replace the main jet according to the setting chart which is available at a Yamaha dealer. WARNING @ G G G @ Never remove the drain plug or the float chamber while the engine is hot. Fuel will flow out from the float chamber which could ignite and cause injury. Place a rag - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 63
is less air as altitude increases. Less air means less oxygen available for combustion. Your snowmobile can be adjusted to overcome most of the problems found in high altitude riding. Carburetor adjustments are the most important. Less air at high altitude makes the air/fuel ratio too rich, which - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 64
ESU04200 Changing the engine oil It is recommended to have a Yamaha dealer change the engine oil. WARNING @ Engine oil is extremely hot immediately after the engine is turned off. Coming into contact with or getting any engine oil on your clothes could result in burns. @ CAUTION: @ G G G @ - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 65
7. Remove the oil filter cartridge 9 with an oil filter wrench. NOTE: @ An oil filter wrench is available at a Yamaha dealer. @ 8. Apply a thin coat of engine oil to the O-ring of the new oil filter cartridge. 9. Install the new oil filter cartridge with an oil filter wrench, and then tighten it - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 66
13. Add sufficient oil of the recommended type to raise it to the "F" level mark on the oil level gauge/dipstick. (See page 6-3 for the checking procedure.) CAUTION: @ G G @ When adding the engine oil, be careful not to fill above the "F" level mark on the oil level gauge/ dipstick. Make sure - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 67
ESU03171 Cooling system Bleeding the cooling system WARNING @ G G Do not remove the coolant reservoir cap when the engine is hot. Scalding hot fluid and steam may be blown out under pressure, which could cause serious injury. When the engine has cooled, place a thick rag or towel over the - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 68
Coolant replenishment 1. Remove the coolant reservoir cap and add coolant until it reaches the "COLD LEVEL" mark. Recommended coolant: High quality ethylene glycol antifreeze containing corrosion inhibitors. Antifreeze and water mixing ratio: 60:40 Total amount: 5.2 L (4.58 Imp qt, 5.50 US qt) 1 " - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 69
ESU00166 V-belt replacement WARNING @ When installing the new V-belt, make sure it is positioned 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 a. If not, the V-belt clutch engagement speed will be changed. The snowmobile may move - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 70
3. Pull 3 the V-belt up over the secondary fixed sheave. 4. Remove the V-belt from the secondary sheave assembly and primary sheave assembly. 5. Put the new V-belt back on the secondary sheave assembly only. Do not force the V-belt between the sheaves; the secondary sliding and fixed sheave must - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 71
8. Install the V-belt over the primary sheave assembly. 9. Rotate the secondary sliding sheave clockwise 6 and push 7 it so that it separates from the secondary fixed sheave. 10. Install the V-belt 8 between the secondary sliding and secondary fixed sheaves. 11. Install the drive guard. WARNING @ - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 72
A B 3. Remove the dipstick and check that the oil is between the upper and lower levels. If not, add oil to the upper level. 2 Upper level 3 Lower level Drive chain oil: GL-3 75W or 80W È For models without reverse transmissions (not applicable) É For models with reverse transmissions (RST90) - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 73
ESU00174 Checking the brake pads Check the brake pads for wear. If the brake pads reach the wear limit, ask a Yamaha dealer to replace them. 1 Brake pad wear indicator Wear limit a: 1.5 mm (0.06 in) ESU00352 Checking the parking brake pads Check the parking brake pads for wear by measuring the - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 74
ESU00180 Checking the brake fluid level Place the snowmobile on a level surface. Check that the brake fluid is above the lower level and replenish when necessary. 1 Lower level Specified brake fluid: DOT 4 WARNING @ Be careful that water does not enter the master cylinder when refilling. Water - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 75
ESU03041 Ski spring preload adjustment The spring preload can be adjusted by turning the spring preload adjuster 1. CD-10E Spring adjuster position Preload Standard 5 4 3 1 2 1 Soft 3 2 Hard CAUTION: @ The left and right ski spring preload must be set to the same setting. Uneven settings - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 76
ESU04350 Rear suspension spring preload adjustment The rear suspension is equipped with two shock absorbers and the spring preload for each shock absorber can be adjusted separately. One shock absorber is in the front 1 and the other is in the rear 2 of the rear suspension assembly. The spring - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 77
ESU04220 Control rod adjustment The weight transfer can be adjusted by turning the control rod adjusting nut 1. 1. Loosen the locknut 2 while holding the control rod adjusting nut. 2. Turn the adjusting nut in direction a to increase weight transfer or direction b to decrease weight transfer. 3. - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 78
ESU04341 2-up adjusting block spring force adjustment The spring force can be adjusted by changing the position of the 2-up adjusting blocks. NOTE: @ Be sure to make this adjustment when there is no load (rider or cargo) on the snowmobile. @ 1. Install the special tools 1 and 2 included in the - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 79
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 - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 80
Drive track adjustment 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. 1. Lift the rear of the snowmobile onto a - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 81
CAUTION: @ The right and left adjusters should be turned to an equal amount. @ 6. Recheck alignment and deflection. If necessary, repeat steps 3 to 5 until the proper adjustment is achieved. 7. Tighten the rear axle nut. Rear axle tightening torque: 75 Nm (7.5 m·kgf, 54 ft·lb) ESU00200 Ski - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 82
3. Move the handlebar up or down to adjust the handlebar height to the desired position. CAUTION: @ Make sure that the projection on the handlebar is not installed into the area a shown. @ 4. Tighten the handlebar bolts and install the handlebar cover. Handlebar bolt tightening torque: 14.5 Nm - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 83
ESU00371 Lubrication Lubricate the following points. Lubricant: Low-temperature grease 1 Throttle cable end 2 @ WARNING Apply a dab of grease onto the cable end only. Do not grease the throttle cable because it could become frozen, which could cause loss of control. @ 2 Front suspension 3 Rear - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 84
ESU00208 Headlight bulb replacement 1. Lift up the shroud. 2. Disconnect the headlight connector. 3. Remove the bulb holder cover. 4. Remove the bulb holder by depressing and turning it counterclockwise. 1 Bulb holder cover 5. Remove the bulb. WARNING @ Keep flammable products or your hands away - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 85
ESU00355 Battery This snowmobile is equipped with a sealed-type (MF) battery, which does not require any maintenance. There is no need to check the electrolyte or to add distilled water. To charge the battery Have a Yamaha dealer charge the battery as soon as possible if it seems to have discharged - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 86
1. Lift up the shroud. 2. Remove the right side cover 1. 3. Unhook the latch 2. 4. Loosen the clamp screws 3. 5. Slide the oil tank breather hose clamp 4 away from the air filter case, and then disconnect the oil tank breather hose 5. 6. Slide the crankcase breather hose clamp 6 up, and then - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 87
Specified fuses: 9Main fuse: 0"HEAD" (Headlight) fuse: A"SIG" (Signal) fuse: B"DC TERM" (Auxiliary DC jack) fuse: C"C/W" (Carburetor warmer) fuse: D"IGN" (Ignition) fuse: E Spare fuses (20 A, 10 A, 15 A, 3 A) F Spare main fuse 30 A 20 A 10 A 3A 20 A 15 A 8-33 - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 88
ESU04240 9- TROUBLESHOOTING A. Engine turns over but does not start 1. Fuel system No fuel supplied to combustion chamber G No fuel in tank ...Supply fuel. G Clogged fuel line ...Clean - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 89
2. Open the shroud. 3. Remove the red (+) lead from the lead holder and move it away from the black (-) lead. 5. Connect the other end of the red (+) jumper cable to the positive (+) terminal of the booster battery. 6. Connect the black (-) jumper cable to the negative (-) terminal of the booster - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 90
mount ...Ask a Yamaha dealer to inspect. I. V-belt slips or burns 1. Oily or dirty V-belt or primary and secondary sheave assembly surfaces ...Clean. 2. Problem with the driveline ...See H above. 9-3 WARNING @ Be sure to pull the lead covers back over the terminals completely. If the terminals are - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 91
J. Engine does not upshift or downshift properly or engages harshly 1. Worn or damaged V-belt ...Replace the V-belt or ask a Yamaha dealer to inspect. 2. Incorrect V-belt clutch settings for altitude or conditions ...Ask a Yamaha dealer to inspect. 3. Worn or sticking primary sheave assembly ...Ask - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 92
ESU03593 10- STORAGE Long-term storage requires some preventive procedures to guard against deterioration. 1. Cleaning Thoroughly clean the snowmobile, inside and out, to remove the corrosive salts and acids that can accumulate. Use Yamaha Mud, Grease, and Engine Cleaner, or an equivalent product - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 93
dealer charge your battery. Do not charge the battery quickly. Charge the battery for 10 hours at 1.8 amperes. 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 if - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 94
ESU00228 1- SPECIFICATIONS RST90 3,135 mm (123.4 in) 1,225 mm ( 48.2 in) 1,280 mm ( 50.4 in) 272 kg ( 600 lb) 1,086 mm ( 42.8 in) ESU00229 Dimensions CS-01E Overall length Overall width Overall height Dry weight Ski stance ESU00230 Engine CS-02E Type Cylinder arrangement Displacement Bore × - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 95
ESU00231 Chassis CS-03E RST90 Drive track and suspension: Track Width Track deflection Length on ground Suspension type Drive sprocket Transmission: Type Sheave distance Sheave offset Engagement speed∗1 Shift speed∗1 Drive chain Reduction ratio Fuel tank: Tank capacity Oil quantity: With oil - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 96
ESU00232 Electric CS-04E Ignition system Spark plug Battery Headlight Tail/brake light Meter light Indicator light Type Gap Capacity Maximum charge rate Bulb × Quantity Bulb × Quantity Bulb × Quantity Bulb × Quantity RST90 TCI · R · CR8E (NGK) 0.7-0.8 mm (0.028-0.031 in) YTX20L-BS 12 V 18 A·h - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 97
ESU00233 1- WIRING DIAGRAM D E Br A B C H O Br (BLACK) O O/B L/ R B Gy Br Gy Ch W/G Lg/ W B/ W Y/ W B/L Br/ W L/G G Lg/L W/ Y B/Y W/R Y/L L (BLACK) Lg Br/Y Y/R Y/B Br/L B Y O W SUB-WIRE HARNESS 2 WIRE HARNESS SUB-WIRE HARNESS 3 TAIL/BRAKE LIGHT SUB-WIRE HARNESS G B Dg Dg B L / R O /B G B G/B - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 98
V W X Y Z [ 12-2 \ ] _ a b c d e f g h i Speed sensor Fuel sender Oil level switch Meter assembly Warning light Low coolant temperature indicator light Multi-function meter Meter light High beam indicator light Auxiliary DC jack fuse "HEAD" (Headlight) fuse "SIG" (Signal) fuse "C/W" (Carburetor - 2005 Yamaha Motorsports RS Venture | Owners Manual - Page 99
YAMAHA MOTOR CO., LTD. PRINTED ON RECYCLED PAPER PRINTED IN JAPAN 2004.06-1.0×1 CR (E)
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OWNER’S MANUAL
SNOWMOBILE
RST90K
8ET-28199-10
LIT-12628-02-39