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8-28

ESU00371

Lubrication

Lubricate the following points.

Throttle cable end

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.

Front suspension

Rear suspension

WARNING

Be sure to have a Yamaha dealer lubricate the front
and rear suspensions.

Lubricant: Low-temperature grease

E_8es.book Page 28 Saturday, August 6, 2005 8:47 AM

Содержание RS90L

Страница 1: ...OWNER S MANUAL SNOWMOBILE RS90L ...

Страница 2: ......

Страница 3: ...y ID and key number in the spaces provided for assistance when ordering spare parts from a Yamaha dealer 1 The frame number is the seventeen digit number stamped on the frame of the snowmobile See fig È 2 The engine number is stamped in the location as shown See fig É 3 Key number See fig Ê Also record and keep the ID numbers in a separate place in case the snowmobile is stolen A B C ...

Страница 4: ... bile If you have any questions concerning the operation or maintenance of your snowmobile please consult a Yamaha dealer To maintain the high quality and performance of this snowmobile it is important that you and your Yamaha dealer pay close attention to the recommended mainte nance schedules and operating instructions contained within this manual RS90L OWNER S MANUAL 2005 by Yamaha Motor Corpor...

Страница 5: ...nual should be considered a permanent part of this snowmobile and should remain with the snow mobile 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 operator a b...

Страница 6: ...r 5 9 Headlight beam switch 5 9 Shroud latches 5 10 Drive guard 5 10 V belt holders 5 10 Storage compartment 5 11 PRE OPERATION CHECKS 6 1 Fuel 6 1 Engine oil 6 2 Engine oil level 6 3 Coolant 6 4 Throttle lever 6 5 Throttle override system T O R S 6 5 Brake 6 6 Brake fluid leakage 6 7 V belt 6 7 Drive guard 6 7 Drive track 6 8 Slide runners 6 8 Skis and ski runners 6 9 Steering system 6 9 Lights 6...

Страница 7: ...ine oil 8 9 Cooling system 8 12 Replacing the V belt 8 14 Checking the drive chain housing oil level and the drive chain tension 8 16 Checking the brake pads 8 18 Checking the parking brake pads 8 18 Checking the brake fluid level 8 19 Changing the brake fluid 8 19 Suspension 8 19 Adjusting the drive track 8 24 Aligning the skis 8 26 Adjusting the handlebar 8 26 Lubrication 8 28 Replacing a headli...

Страница 8: ...e parts replaced due to normal wear or routine maintenance including oil spark plugs clutch drive belts slide runners and track THE CUSTOMER S RESPONSIBILITY under this warranty shall be to 1 Operate and maintain the snowmobile as specified in the appropriate Owner s Manual 2 Give notice to an authorized Yamaha snowmobile dealer of any and all apparent defects within ten 10 days after discovery an...

Страница 9: ...amages as well as oil spark plugs clutch drive belts and slide runners Q What are some examples of abnormal strain ne glect or abuse A These terms are general and overlap each other in areas Specific examples include Running the ma chine out of oil hitting an object submerged under snow operation on surfaces other than snow or ice operating the machine with a broken or damaged part which causes an...

Страница 10: ...e dealer ship Since all warranty matters are handled at the dealer level this person is in the best position to help you If you are still not satisfied and require additional assistance please write YAMAHA MOTOR CORPORATION U S A CUSTOMER RELATIONS DEPARTMENT P O Box 6555 Cypress California 90630 When contacting Yamaha Motor Corpora tion U S A be sure to include the model serial number names dates...

Страница 11: ...1 4 ESU04280 YAMAHA EXTENDED SERVICE Y E S CW 06E ...

Страница 12: ...rankcase breather hoses are not installed correctly Inspect hoses and clamps for correct installation after battery service or air box removal See Service Manual Des dommages graves risquent de survenir par suite de fuites d huile résultant d un mauvais branchement des tuyaux de reniflard du carter Après l entretien de la batterie ou après la dépose de l épurateur d air assurez vous que les brides...

Страница 13: ...2 2 NOTE The following suspension adjustment charts are included with the Owner s Manual ...

Страница 14: ...s snowmobile is designed to carry the OPERA TOR ONLY Passengers are prohibited Carrying a passenger can cause loss of control 4 Do not operate the snowmobile after drinking alcohol or taking drugs Your ability to operate the snowmo bile is reduced by the influence of alcohol or drugs 5 For safety and proper care of the snowmobile always perform the pre operation checks on pages 6 1 6 10 before sta...

Страница 15: ... inhale a lot of gasoline vapor or get some gasoline into your eyes see your doctor immediately If any gasoline spills on your skin or clothing immediately wash your skin with soap and water and change your clothes 10 Wear protective clothing Wear an approved helmet and a face shield or goggles Also wear a good qual ity snowmobile suit boots and a pair of gloves or mit tens that will permit use of...

Страница 16: ...n most surfaces is to release the throttle and apply the brake gently not suddenly Maintenance and storage 1 Do not leave the snowmobile on its left side for an extended period of time Fuel may leak out from the fuel breather hose 2 Modifications made to the snowmobile not approved by Yamaha or the removal of original equipment may render your snowmobile unsafe for use that may cause severe person...

Страница 17: ...4 1 ESU00012 4 DESCRIPTION 1 Windshield 2 Steering handlebar 3 Seat 4 Frame 5 Slide rail suspension 6 Drive track 7 Skis 8 Headlights 9 Shroud 0 Storage compartment A Tail brake lights B Snow flap ...

Страница 18: ...rter lever M Tachometer N Low coolant temperature indicator light O High beam indicator light P Warning light Q Self diagnosis warning indicator R Coolant temperature warning indicator S Fuel level warning indicator T Oil level warning indicator U Speedometer V Grip warmer indicator W Select reset button X Thumb warmer indicator Y Fuel meter and grip thumb warmer level indicator Z Odometer tripmet...

Страница 19: ...ircuit 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 motor starts CAUTION Release the switch immediately after the engine starts NOTE The headlights meter lights and taillights come on after the engine starts ...

Страница 20: ...he snowmobile by varying the throttle position Because the throttle is spring loaded the snowmobile will deceler ate and the engine will return to idle when it is released b WARNING Check the throttle brake and steering for proper operation before starting the engine ESU00361 Engine overheating prevention system This model is equipped with an engine overheating pre vention system to prevent overhe...

Страница 21: ...ngine can be operated without a prob lem before restarting the engine Be sure to use the specified spark plug and spark plug cap Otherwise the T O R S will not work properly CA 19E È Idling starting É Running Ê Trouble 1 Throttle position sensor throttle valve position 2 Throttle switch 3 Throttle cable a On b Off c Open d Closed NOTE When the T O R S is activated the warning light 4 and self diag...

Страница 22: ...t 2 the warning light 3 and all segments of the meter 4 turn on and off once The grip warmer level is initially displayed for 5 seconds then switches to the fuel meter display Odometer and tripmeter modes Pushing the select reset button 5 switches the display between the odometer mode ODO and the tripmeter mode TRIP To reset the tripmeter push the select reset button for at least one second while ...

Страница 23: ...warmer adjustment switch 2 control the electrically heated handlebar grips and throttle lever respectively To raise the temperature press the respective switch to HI To lower the temperature press the switch to LO NOTE The grip warmer indicator 3 comes on and the display switches to the grip warmer level when the grip warmer adjustment switch is pressed The thumb warmer indicator 4 comes on and th...

Страница 24: ...g light go off the engine oil level is sufficient however it is getting low Add engine oil as soon as possible If the oil level warning indicator and the warning light do not go off check the engine oil level in the oil tank see page 6 3 and add engine oil if necessary ESU04171 Low coolant temperature indicator light The low coolant temperature indicator light 1 comes on when the coolant temperatu...

Страница 25: ...the warning light 1 and the self diagnosis warning indicator 2 will flash and then an error code e g 16 and 81 3 will flash slowly in the tripmeter odometer display WARNING If the self diagnosis warning indicator and warn ing 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 ...

Страница 26: ... switch so that you can react quickly in an emergency ESU00320 Brake lever The snowmobile is stopped by braking the entire drive system Squeeze the brake lever towards the handlebar grip to stop the snowmobile 1 Brake lever 2 Brake lever end 3 Handlebar end NOTE When the brake lever is operated the brake light will illu minate CAUTION Make sure that the brake lever end does not project out over th...

Страница 27: ...ght È To apply the parking brake É To release the parking brake WARNING Always set the parking brake before attempting to start the engine Never run the snowmobile with the parking brake applied This may overheat the brake disc and reduce braking ability ESU00039 Headlight beam switch Push the headlight beam switch to change the headlight beam to high or low 1 Headlight beam switch 2 Push 3 High b...

Страница 28: ...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 is designed to cover the V belt clutch and V belt in case parts break or come loose WARNING Make sure that the drive guard is tightened securely before operating the snowmobile Never run the engine wit...

Страница 29: ...5 11 ESU03420 Storage compartment The storage compartment is located under the shroud Open the storage compartment to store the tool kit spare parts or other small items ...

Страница 30: ...uel in the fuel tank WARNING Fuel is HIGHLY FLAMMABLE and poisonous Check the SAFETY INFORMATION section carefully before refueling See page 3 2 Do not fill the fuel tank above the bottom of the filler tube 1 Fuel could overflow if the snowmo bile is tilted on its side or if the ambient tempera ture rises causing the fuel to warm up and expand Make sure that the fuel tank cap is closed securely af...

Страница 31: ...at snow or ice does not enter the fuel tank when refueling Do not use alcohol deicers or water absorbing additives with oxygenated fuel The fuel tank should be filled with straight gaso line as specified ESU04031 Engine oil Use a combination of the recommended SAE and API oil classifications shown in the chart below CB 02E CAUTION Use only 4 stroke engine oil SAE API SE SF SG or higher 40 20 0 20 ...

Страница 32: ...ning it off 3 Disconnect the oil level gauge coupler 1 CAUTION Disconnect the oil level gauge coupler before remov ing the oil level gauge dipstick Otherwise the cable can twist and break 4 Remove the oil level gauge dipstick 2 wipe it clean insert it back into the filler hole without screwing it in and then remove it again to check the oil level NOTE The engine oil should be between the F 3 and E...

Страница 33: ...s cold If the coolant level is below the COLD LEVEL mark add soft water until it reaches the COLD LEVEL mark See pages 8 12 8 13 for more details 1 COLD LEVEL mark WARNING Do not remove the coolant reservoir cap when the engine is hot CAUTION Hard water or salt water is harmful to the engine parts You may use boiled or distilled water if soft water is not available Tap water can be used temporaril...

Страница 34: ...ile could start moving forward unexpectedly which could cause an accident 1 Start the engine NOTE Refer to the Starting the engine section 2 Hold the pivot point of the throttle lever away from the throttle switch by putting your thumb above and forefinger below between the throttle lever pivot 1 and the engine stop switch housing 2 While holding the pivot point as described above press the thrott...

Страница 35: ...cates 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 CAUTION Make sure that the brake lever end does not project out over the handlebar end This is to prevent brake lever damage when the snowmobile is placed on its side ...

Страница 36: ... tic parts Never spill any brake fluid If any is spilled clean it up immediately ESU00941 V belt Open the shroud and remove the drive guard Check the V belt for wear and damage Replace if neces sary WARNING Make sure that the drive guard is tightened securely before operating the snowmobile Never run the engine without the V belt or with the drive guard removed ESU00096 Drive guard Check the drive...

Страница 37: ...aladjusted Drive track damage or failure could result in loss of brak ing ability and snowmobile control which could cause an accident ESU00982 Slide runners Check the slide runners for wear and damage If the slide runners reach the wear limit they should be replaced 1 Slide runners a Wear limit CAUTION Ride on fresh snow frequently Operating on ice or hard packed snow will rapidly wear the slide ...

Страница 38: ... This will wear or damage the skis ESU00103 Steering system Check the handlebar for excessive free play 1 Push the handlebar up and down and back and forth 2 Turn the handlebar slightly to the right and left If excessive free play is noticed consult a Yamaha dealer ESU00378 Lights Check the lights Replace any burned out bulbs CAUTION Avoid using a scraper or hot water for cleaning the plastic lens...

Страница 39: ...e latch onto the air filter case cover NOTE After riding the snowmobile make sure that there is no snow under the air filter element frame ESU00110 Fittings and fasteners Check the tightness of the fittings and fasteners Tighten in proper sequence and torque if necessary ESU00345 Tool kit and recommended equipment It is good practice to carry the tool kit spare parts and other necessary equipment ...

Страница 40: ... warm engine starting NOTE The starter lever choke is not required when the engine is warm Put the starter lever choke in the closed posi tion 2 Turn the main switch to the START position After the engine starts put the starter lever choke in the half open position Warm up the engine until it does not run roughly or begin to stall when the starter lever is returned to the closed position 1 START C...

Страница 41: ...ll throttle operation or any condition that might result in engine overheating must be avoided Operating your snowmobile for the first time Start the engine and let it idle for 15 minutes 0 160 km 0 100 mi Avoid prolonged operation above 6 000 r min 160 500 km 100 300 mi Avoid prolonged operation above 8 000 r min 500 km 300 mi and beyond The snowmobile can now be operated normally CAUTION After 8...

Страница 42: ...ded with added safety and a more reliable snowmobile Always wear the proper cloth ing for both warmth and to help protect you from injury if an accident occurs Become familiar with operating your snow mobile at low speeds even if you are an experienced rider Do not attempt to oper ate at maximum performance until you are totally familiar with the snowmobile s han dling and performance characterist...

Страница 43: ... thor oughly familiar with the operation of your snowmobile Riding uphill You should practice first on gentle slopes Try more difficult climbs only after you have developed your skill As you approach a hill accelerate before you start the climb and then reduce the throttle to prevent track slippage It is also important to keep your weight on the uphill side at all times On climbs straight up the h...

Страница 44: ...our downhill leg on the seat and the foot of your uphill leg on the running board This position will make it easier for you to shift your body weight as needed Snow and ice are slippery so be prepared for the possibility that your snowmobile could begin to slip sideways on the slope If this happens steer in the direction of the slide if there are no obstacles in your path As you regain proper bala...

Страница 45: ...es 2 Snow mixed with a lot of dirt and sand All of the above surfaces have one thing in common in regard to drive track and slide runners little or no lubricating ability Drive track and all slide rail systems require lubrication snow or water between the slide runners and the slide metal In the absence of lubrication the slide runners will rapidly wear and in severe cases liter ally melt away and...

Страница 46: ...erheating avoid sustained high speed usage in areas such as icy trails frozen lakes and rivers that have minimal snow coverage An overheated track will be weakened internally which may cause fail ure or damage Off trail riding Avoid off trail riding until there is sufficient snow cover age It generally takes several feet of snow to provide a good overall base to properly cover debris such as rocks...

Страница 47: ...e lever slowly to move the snowmo bile 3 Turn the handlebar in the desired direction 4 Squeeze the brake lever to stop the snowmobile 5 Apply the parking brake by moving the parking brake lever to the left ESU00136 Stopping the engine Turn the main switch to the OFF position to stop the engine 1 OFF WARNING Push down the engine stop switch to stop the engine in an emergency Make sure that the key ...

Страница 48: ... hydrostatic lock When possible the fuel tank should be empty during transportation especially if the trip takes longer than 30 minutes If transporting the snowmobile in an open trailer or truck put a tight fitting cover on the snowmobile A cover specifically designed for your snowmobile is best This will help keep foreign objects out of the cooling vents in the shroud and also help protect the sn...

Страница 49: ...CONTROL THESE SER VICES NOT ONLY ENSURE CLEANER AIR BUT ARE ALSO VITAL TO PROPER ENGINE OPERATION AND MAXIMUM PERFORMANCE IN THE FOLLOWING PERI ODIC MAINTENANCE CHARTS THE SERVICES RELATED TO EMISSIONS CONTROL ARE GROUPED SEPARATELY THESE SERVICES REQUIRE SPECIALIZED DATA KNOWLEDGE AND EQUIPMENT YAMAHA DEALERS ARE TRAINED AND EQUIPPED TO PERFORM THESE PARTICULAR SERVICES ESU04970 Periodic maintena...

Страница 50: ... 6 4 Replace 8 9 8 11 Engine oil filter cartridge Replace Every 20 000 km 12 000 mi 8 9 8 11 Fuel Check fuel level 6 1 6 2 Engine coolant Check coolant level 6 4 Air bleed the cooling system if necessary 8 12 Throttle lever carburetor side Check throttle lever operation 8 7 Throttle lever handlebar side Check operation Repair if necessary 5 2 6 5 Throttle override system T O R S Check operation Re...

Страница 51: ...ake installation Check for slight free play Lubricate shaft with specified grease as required Every 1 600 km 1 000 mi Drive chain oil Check oil level 8 16 8 17 Replace Drive chain Check deflection Adjust if necessary Initial at 500 km 300 mi and every 800 km 500 mi thereafter 8 17 Skis and ski runners Check for wear and damage 6 9 Replace if necessary Steering system Check operation 6 9 Adjust toe...

Страница 52: ...wear for secondary Replace if necessary Lubricate with specified grease Steering column bearing Lubricate with specified grease Ski and front suspension Lubricate with specified grease 8 28 Suspension component Lubricate with specified grease 8 28 Parking brake cable end and lever end throttle cable end Lubricate with specified grease 8 28 Check cable damage Replace if necessary Shroud latches Mak...

Страница 53: ... the spark plug can indi cate the condition of the engine Check the coloration on the white porcelain insulator around the center electrode The ideal coloration at this point is a medium to a light tan color for a snowmobile that is being ridden normally If a spark plug shows a distinctly different color there could be something wrong with the engine For example a very white center electrode porce...

Страница 54: ...ad damage Always use a spark plug with the speci fied reach Before installing any spark plug measure the electrode gap with a wire thickness gauge and adjust to specifica tion 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 CAUTION Make sure that the spark plug caps are securely installed Otherwis...

Страница 55: ...e cable CAUTION Be sure to adjust the engine idle speed first 1 Loosen the locknut 2 Turn the adjuster in or out until the proper throttle lever free play is achieved 1 Locknut 2 Adjuster 3 Tighten the locknut ESU04870 Adjusting the carburetors The carburetors are an important part of the engine and its emission control system which require very sophisti cated adjustment Therefore carburetor adjus...

Страница 56: ...vailable even with proper carburetion Expect acceleration and top speed to be reduced at higher altitudes To overcome operating with less power at high altitudes your snowmobile may also require different settings for the drive chain gears and V belt clutch to avoid poor per formance and rapid wear If you plan to operate your snowmobile at an altitude different from the area where you bought it be...

Страница 57: ...20 000 km 12 000 mi of operation To change the engine oil with or without oil filter cartridge replacement 1 Place the snowmobile on a level surface and apply the parking brake 2 Remove the bottom panel 1 and right side cover 2 3 Start the engine warm it up for several minutes and then turn it off 4 Place oil pans under both the engine and the oil tank to collect the used oil 5 Disconnect the oil ...

Страница 58: ... US qt of the recom mended engine oil to the oil tank and then install and tighten the oil level gauge dipstick and the cylinder head cap 12 Start the engine warm it up for several minutes and then turn it off Tightening torque Oil filter cartridge 17 Nm 1 7 m kgf 12 ft lb Tightening torques Crankcase engine oil drain bolt 10 Nm 1 0 m kgf 7 2 ft lb Oil tank engine oil drain bolt 16 Nm 1 6 m kgf 11...

Страница 59: ... min utes while checking it for oil leakage If oil is leaking immediately turn the engine off and make sure the engine oil drain bolts cylinder head cap and oil level gauge dipstick are installed correctly 15 Turn the engine off connect the oil level gauge cou pler and then install the bottom panel and right side cover CAUTION If oil is leaking or the oil level warning indicator comes on when the ...

Страница 60: ...d press down on the cap while turning counter clockwise and remove it The cooling system must be bled of air if the coolant reservoir becomes empty if air can be seen in the cooling system or if there is a cooling system leak Consult a Yamaha dealer CAUTION Operating the engine with an improperly bled cool ing system can cause overheating and severe engine damage Replenishing the coolant 1 Remove ...

Страница 61: ...dd coolant until the coolant level does not go down and then stop the engine 3 Fill the coolant reservoir with coolant until it reaches the COLD LEVEL mark 4 Install the coolant reservoir cap Check for any cool ant leakage NOTE If you find any leaks consult a Yamaha dealer ...

Страница 62: ...ing bolt Have a Yamaha dealer make this adjustment 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 spacer on each adjusting bolt when the V belt position reaches 1 5 mm 0 06 in below the edge Have a Yamaha dealer make this adjustment CD 05E NOTE Apply the parking brake before replacing the V belt 1 Remov...

Страница 63: ... position is incorrect adjust the V belt position by removing or adding a spacer 4 on each adjusting bolt 5 CD 06E 7 Tighten each adjusting bolt Standard V belt position a From 1 5 mm 0 06 in above the edge of the second ary sheave to 0 5 mm 0 02 in below the edge V belt position Adjustment More than 1 5 mm 0 06 in above the edge Remove spacer From 1 5 mm 0 06 in above the edge to 0 5 mm 0 02 in b...

Страница 64: ... the engine with the V belt or drive guard removed ESU03513 Checking the drive chain housing oil level and the drive chain tension Checking the oil level WARNING The engine oil tank brake disc and coolant hoses will be very hot after the engine has been run Avoid contact while they are still hot with any part of your body or clothing during inspection or repair 1 Place the snowmobile on a level su...

Страница 65: ...h reverse transmissions not applicable CAUTION Make sure that no foreign material enters the drive chain housing 4 Install the dipstick making sure to align the notch 4 in the dipstick handle with the projection 5 on the drive chain housing Adjusting the chain tension 1 Loosen the locknut 2 Turn the adjusting bolt clockwise until it is finger tight and then loosen it 1 4 turn 3 Hold the adjusting ...

Страница 66: ...rking brake pads wear adjustment may be nec essary to ensure proper brake performance WARNING Be sure to have a Yamaha dealer make this adjust ment 1 Loosen the locknut 1 and the adjusting bolt 2 2 Loosen the cable locknut 3 3 Turn the cable adjuster 4 in or out to adjust the cable length 4 Tighten the cable locknut 5 Turn the adjusting bolt in or out to adjust the clear ance between the parking b...

Страница 67: ...d clean it up immediately ESU01811 Changing the brake fluid Brake fluid replacement is necessary when the following components are replaced during the periodic mainte nance or if they are damaged or leaking a All oil seals of the master cylinder and caliper cylinder b The brake hose WARNING Make sure that the brake fluid and the above parts are replaced by a Yamaha dealer ESU00183 Suspension The s...

Страница 68: ...g injury or property damage Do not tamper with or attempt to open the shock absorber Do not subject the shock absorber to an open flame or other high heat source which could cause it to explode Do not deform or damage the shock absorber in any way Do not dispose of a worn or damaged shock absorber by yourself Take the unit to a Yamaha dealer Spring seat length Standard Increased Decreased Preload ...

Страница 69: ...spen sion assembly The spring preload can be adjusted by turning the spring preload adjuster 3 on the front and rear shock absorb ers CD 17E CD 23E A Spring seat length Standard Increased Decreased Preload Harder Softer È a Length front Maximum 123 5 mm 4 86 in 113 5 mm 4 47 in Minimum 103 5 mm 4 07 in The spring seat length changes approximately 1 5 mm 0 06 in with each full turn of the adjuster ...

Страница 70: ...handling causing injury or property damage Do not tamper with or attempt to open the shock absorber Do not subject the shock absorber to an open flame or other high heat sources which could cause it to explode Do not deform or damage the shock absorber in any way Do not dispose of a worn or damaged shock absorber by yourself Take the unit to a Yamaha dealer ...

Страница 71: ...knut CAUTION When using the two 22 mm wrenches included in the tool kit make sure that they are situated at a right angle to the control rod as shown and that they are tightly fitted to the locknut and the control rod adjust ing nut The adjusting nut of the left and right control rods must be set to the same position Uneven settings can cause poor handling and loss of stability WARNING Never adjus...

Страница 72: ...the drive track condition frequently Replace damaged slide metal Replace the drive track if it is damaged to the depth where fabric reinforcement material is visible or support rods are broken Otherwise track damage or failure could result in loss of braking ability and snow mobile control which could cause an accident Measuring the drive track deflection 1 Lay the snowmobile on its side 2 Measure...

Страница 73: ... the drive track one or two turns Stop the engine 4 Check the drive track alignment with the slide runners 2 If the alignment is incorrect align the drive track by turning the left and right adjusters CD 08E 7 Slide runners 8 Drive track 9 Slide metal a Gap b Forward 5 Adjust the drive track deflection to specification CD 09E 5 6 Drive track alignment 5 Shifted to right 6 Shifted to left 3 Left ad...

Страница 74: ...01 Aligning the skis 1 Turn the handlebar so the skis face straight ahead 2 Check the following for ski alignment a Skis are facing forward b Ski toe out 1 2 is within specification 3 If the alignment is not correct consult a Yamaha dealer ESU03543 Adjusting the handlebar 1 Remove the handlebar cover 1 2 Loosen the handlebar bolts Rear axle tightening torque 75 Nm 7 5 m kgf 54 2 ft lb Ski toe out ...

Страница 75: ...ION 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 CAUTION Make sure that the small gap b side of the handlebar holders faces forward c Handlebar bolt tightening torque 14 5 Nm 1 45 m kgf 10 5 ft lb ...

Страница 76: ...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 suspension WARNING Be sure to have a Yamaha dealer lubricate the front and rear suspensions 2 2 Lubricant Low temperature grease 3 ...

Страница 77: ...e headlight unit 7 Install the bulb holder cover and then connect the headlight coupler CAUTION Keep oil and your hands away from the glass part of the bulb or its life and illumination will be affected If the glass is oil stained thoroughly clean it with a cloth moistened with alcohol or lacquer thinner ESU03721 Adjusting the headlight beam 1 Lift up the shroud 2 Insert a Phillips screwdriver int...

Страница 78: ...act with skin eyes or clothing ANTIDOTE EXTERNAL Flush with water INTERNAL Drink large quantities of water or milk Follow with milk of magnesia beaten egg or vegetable oil Call physician immediately EYES Flush with water for 15 minutes and get prompt medical attention Batteries produce explosive gases Keep sparks flame cigarettes etc away Ventilate when charging or using in an enclosed space Alway...

Страница 79: ...own disconnect the crankcase breather hose from the air filter case and then remove the air filter case 8 Disconnect the negative battery lead 9 Replace the blown fuse with one of the proper amperage 10 Connect the negative battery lead 11 Install the air filter case by reversing the removal steps NOTE When installing the air filter case connect the crankcase breather hose to the air filter case f...

Страница 80: ...es 20 A 10 A 15 A 3 A F Spare main fuse Specified fuses 9Main fuse 30 A 0 HEAD Headlight fuse 20 A A SIG Signal fuse 10 A B DC TERM Auxiliary DC jack fuse 3 A C C W Carburetor warmer fuse 20 A D IGN Ignition fuse 15 A ...

Страница 81: ... T O R S is an important safety device in the case of a malfunction take the snowmobile to a Yamaha dealer immediately for repair 3 Compression Insufficient Loose cylinder head nuts Tighten nuts properly Worn or damaged gasket Replace gasket Worn or damaged piston and cylinder Ask a Yamaha dealer to inspect B Starting the engine with a dis charged battery If the snowmobile battery is discharged th...

Страница 82: ...r cable to the black lead Do not reverse the connections 4 Pull the red lead cover to expose the terminal through the slit in the cover and then connect the red jumper cable to the red terminal of the discharged battery 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 battery 7 P...

Страница 83: ...k con nections or ask a Yamaha dealer to inspect 3 Discharged battery Charge battery or see B above 4 Seized engine Seizure is caused by poor lubrication inadequate fuel or an air leak Ask a Yamaha dealer to inspect 5 Hydrostatic lock occurs when fuel has filled the cylinders when the vehicle has been transported Remove the spark plugs and turn the engine over several times with the ignition off t...

Страница 84: ...lean 2 Problem with the driveline See H above J Engine does not upshift or down shift 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 alti tude or conditions Ask a Yamaha dealer to inspect 3 Worn or sticking primary sheave assembly Ask a Yamaha dealer to inspect 4 Worn or sticking secondary sheave asse...

Страница 85: ...ed fuel gasohol is used because the alcohol content in the fuel increases the chance for water to enter the engine Use Yamaha Stor Rite Engine Fogging Oil or an equiva lent fogging oil to protect both the com bustion chamber and crankshaft from corrosion An alternate method is to remove the carburetor silencer and squirt oil into the carburetor throats while the engine is running CAUTION Do not at...

Страница 86: ...ti lated place out of direct sunlight Put a fab ric cover over the snowmobile preferably one that is designed for it Do not use 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 ser vice install the V belt and battery and adjust the drive track Remove the spark plugs and...

Страница 87: ...y weight 245 kg 540 lb Ski stance 1 086 mm 42 8 in RS90 Type Liquid cooled 4 stroke 12 valves Cylinder arrangement Parallel 3 cylinder Displacement 973 cm3 Bore Stroke 79 0 66 2 mm 3 12 2 61 in Idle speed 1 400 100 r min Engine oil type API SE SF SG or higher SAE 0W 30 Carburetor type KEIHIN CVK40 3 Fuel Unleaded gasoline Pump octane 88 or higher Starting system Electric starter R M 2 ...

Страница 88: ...mm 0 59 in Engagement speed 1 Approx 3 600 r min Shift speed 1 Approx 8 500 r min 2 Drive chain Silent chain enclosed in oil bath Reduction ratio 38 22 1 73 Fuel tank Tank capacity 39 3 L 8 6 lmp gal 10 4 US gal Oil quantity With oil filter cartridge replacement 3 0 L 2 6 lmp qt 3 2 US qt Without oil filter cartridge replacement 2 8 L 2 5 lmp qt 3 0 US qt Total amount 3 7 L 3 3 lmp qt 3 9 US qt Br...

Страница 89: ...K Gap 0 7 0 8 mm 0 028 0 031 in Battery Capacity YTX20L BS 12 V 18 A h Maximum charge rate 1 8 Amperes hr for 10 hrs Headlight Bulb Quantity 12 V 60 55 W 2 Tail brake light Bulb Quantity 12 V 5 21 W 2 Meter light Bulb Quantity 14 V 50 mA 6 Indicator light Bulb Quantity 14 V 80 mA 3 ...

Страница 90: ...Lg L Lg W B L BLACK Y W Y L Ch Y L Y W B L Y L B BLACK L W Y B L BLACK B W DARK GREEN L G R W Br W R Y Br R Br R W Br W Y B G B R B R B R B R B G B Ch Ch D G G D L R L R D B B B Lg B W R L Br Br L R Y R W O BLACK Br O Br Gy BLACK Br Gy Br L W Y B L W BLACK Br W G L R B L Y B Gy W L W Y B Lg G Br L Y B Y R Br Y B Y Br W W R W G B L L G B W Y W Y L Lg W Lg L Ch B B Y R Lg B W L G G L R B Ch Ch Ch R ...

Страница 91: ...icator light Y Multi function meter Z Meter light High beam indicator light DC TERM Auxiliary DC jack fuse HEAD Headlight fuse _ SIG Signal fuse a C W Carburetor warmer fuse b IGN Ignition fuse c Auxiliary DC jack option d Headlight beam switch e Headlight relay f Headlight g Jumper leads COLOR CODE B Black Br Brown Ch Chocolate Dg Dark green G Green Gy Gray L Blue Lg Light green O Orange P Pink R...

Страница 92: ......

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