background image

Periodic maintenance and adjustment

45

The T.O.R.S. will be activated and the
engine speed will be limited to less than
the clutch engagement speed. (See page
75 for the clutch engagement speed.)

WARNING! If the engine speed does
not decrease to less than the clutch
engagement speed, stop the engine
by turning the main switch to the off
position and consult a Yamaha dealer.
Operating the snowmobile with a mal-
functioning T.O.R.S. could result in
loss of control.

 [EWS00362]

ESU11874

Checking the air filter 

Check that there is no snow under the air filter
element frame after each ride. In addition,
snow may need to be cleaned during a ride
depending on the riding conditions.
1.

Open the shroud.

2.

Remove the air filter case cover by un-
hooking the case fastener and the case
cover fasteners.

3.

Lift up the air filter element frame and
check the air filter element. If there is any
snow on the air filter element, remove the
element, brush off the snow, and then in-
stall the air filter element.

4.

Place the air filter element frame in the
original position.

1. Throttle lever pivot
2. Engine stop switch housing

3. Throttle lever

1. Air filter case cover fastener

2. Air filter case fastener

2

1

U8GS14E0.book  Page 45  Wednesday, May 19, 2010  10:45 AM

Summary of Contents for VK10A

Page 1: ...OWNER S MANUAL VK10A 8GS 28199 14 LIT 12628 02 96 ESU10012 Read this manual carefully before operating this vehicle DIC183 ...

Page 2: ...ESU10041 Read this manual carefully before operating this vehicle This manual should stay with this vehicle if it is sold U8GS14E0 book Page 1 Wednesday May 19 2010 10 45 AM ...

Page 3: ...lable at the time of printing there may be minor discrepancies between your snowmobile and this manual If there is any question concerning this manual please consult a Yamaha dealer WARNING EWS00670 Please read this manual carefully before operating this snowmobile Do not attempt to operate this snowmobile until you have attained adequate knowledge of its con trols and operating features Regular i...

Page 4: ...ety messages that follow this symbol to avoid possible injury or death WARNING EWS00021 A WARNING indicates a hazardous situa tion which if not avoided could result in death or serious injury NOTICE ECS00011 A NOTICE indicates special precautions that must be taken to avoid damage to the snowmobile or other property TIP A TIP provides key information to make pro cedures easier or clearer U8GS14E0 ...

Page 5: ...rip warmer switch 19 Storage areas 20 Tow hitch 22 Fuel 22 Suspension 23 Pre operation checks 27 Pre operation check list 27 Operation 29 Starting the engine 29 Break in 30 Riding your snowmobile 30 Maximizing drive track life 34 Strap 35 Driving 35 Stopping the engine 36 Transporting 36 Periodic maintenance and adjustment 38 Periodic maintenance chart for the emission control system 38 General ma...

Page 6: ...lacing a fuse 66 Troubleshooting 69 Storage 73 Specifications 75 Consumer information 77 Identification number records 77 Vehicle Emission Control Information label 78 YAMAHA MOTOR CORPORATION U S A SNOWMOBILE LIMITED WARRANTY 79 YAMAHA EXTENDED SERVICE Y E S 82 U8GS14E0 book Page 2 Wednesday May 19 2010 10 45 AM ...

Page 7: ... important information for safe and proper operation of your vehicle Never remove any labels from your vehicle If a label becomes difficult to read or comes off a replacement label is available from your Yamaha deal er 10 11 13 14 15 3 4 8 7 5 6 9 12 1 2 16 17 U8GS14E0 book Page 1 Wednesday May 19 2010 10 45 AM ...

Page 8: ... CARACTÉRISTIQUE TECHNIQUES SONT SUSCEPTIBLES DE CHANGER SANS NOTIFICATION PRÉALABLE 350 cm 11 8 oz GL 3 75W or 80W 35 45 mm 1 38 1 77 in 100 N 10 kg 22 lb 350 cm GL 3 75W or 80W 8GS 47578 00 35 45 mm 100 N 10 kg TUNE UP SPECIFICATIONS SPECIFICATIONS DE LA MISE AU POINT TUNE UP SPECIFICATIONS ENGINE 1 SPARK PLUG 2 SPARK PLUG GAP 3 IDLE SPEED SPECIFICATIONS DE LA MISE AU POINT MOTEUR 1 TYPE DE BOUG...

Page 9: ...FN 24897 00 20kg 44lbs LOAD LIMIT CHARGE LIMITE 8FM 24897 01 8GS 77763 E0 MAX TOWING FORCE FORCE DE REMORQUAGE MAX 1176 N 120 kgf 264 lbf MAX VERTICAL FORCE FORCEVERTICALE MAX 147 N 15 kgf 33 lbf 8GS 2817S E0 7 8 10 11 9 U8GS14E0 book Page 3 Wednesday May 19 2010 10 45 AM ...

Page 10: ...les tuyaux sont installès correctement Consultez le manuel d entretien 8GS 2815J E0 88C 77769 00 C M V S S CANADA N S V A C T RANSPOR T 506 This spark ignition system meets all requirements of the Canadian Interference Causing Equipment Regulations Ce système d allumage par étincelle de véhicule respecte toutes les exigences du Règlement sur le matériel brouilleur du Canada 3JK 82377 10 JUMPER CAB...

Page 11: ... brake disc and reduce braking abil ity While using your snowmobile This snowmobile was not manufactured for use on public streets roads or highways Such use is prohibited by law and you could collide with another vehicle Be careful where you ride There may be obstacles hidden beneath the snow Stay on established trails to minimize your expo sure to hazards Ride slowly and cautiously when you ride...

Page 12: ... products that these aftermarket companies produce Therefore Yamaha can neither endorse nor recommend the use of accessories not sold by Yamaha or modifica tions not specifically recommended by Yamaha even if sold and installed by a Yamaha dealer Maintenance and storage When laying the snowmobile on its side for maintenance use a suitable stand to keep it in a stable and level position Do not leav...

Page 13: ...Throttle stop screw 6 Main fuse 7 Oil filler cap 8 V belt holder 9 Strap 10 Storage compartment 11 Tool kit 12 Passenger grip warmer switch 13 Rear carrier 14 Tail brake light 15 Tow hitch 16 Slide rail suspension 17 Drive track U8GS14E0 book Page 7 Wednesday May 19 2010 10 45 AM ...

Page 14: ... 8 Shroud latch 9 Shift lever 10 Main switch 11 Auxiliary DC jack 12 Starter choke lever 13 Tachometer 14 Low coolant temperature indicator light 15 High beam indicator light 16 Warning light 17 Self diagnosis warning indicator 18 Coolant temperature warning indicator 19 Fuel level warning indicator 20 Oil level warning indicator 21 Speedometer 22 Grip warmer indicator 23 Select reset button 24 Th...

Page 15: ...d ESU10300 Starter choke lever Use the starter choke lever when starting and warming up a cold engine TIP Refer to the Starting the engine section on page 29 for proper operation ESU10312 Throttle lever Once the engine is running cleanly squeez ing the throttle lever will increase the engine speed and cause engagement of the drive train Regulate the speed of the snowmobile by varying the throttle ...

Page 16: ...4 will flash in the meter display If this occurs have a Yamaha dealer check the system as soon as possible ESU10355 Multi function meter unit The multi function meter unit is equipped with the following a digital speedometer a tachometer an odometer a tripmeter which shows the distance trav eled since it was last set to zero warning indicators which show self diag nosis coolant temperature fuel le...

Page 17: ... between kilometers and miles select the odometer mode ODO and then push the select reset button for at least 10 seconds while the snowmobile is stopped ESU10410 High beam indicator light The high beam indicator light comes on when the high beams of the headlights are switched on See page 15 for headlight beam switch operation ESU10482 Low coolant temperature indi cator light The low coolant tempe...

Page 18: ...he fuel tank the grip warmer level or the thumb warmer level Fuel meter The display segments of the fuel meter disap pear towards E Empty as the fuel level de creases When only one segment is left near E the fuel level warning indicator and the warning light come on If the fuel level warning indicator and the warning light come on refuel as soon as pos sible TIP The snowmobile must be stopped on a...

Page 19: ...he maximum level The bottom segment of the grip thumb warmer level indicator flashes once when the grip thumb warmer adjust ment reaches the minimum level When the engine is started the grip thumb warmer levels are set to the levels selected when the engine was last stopped ESU10455 Fuel level warning indicator The fuel level warning indicator and the warn ing light come on when the fuel level is ...

Page 20: ...y If the oil level warning indicator and the warn ing light still remain on have a Yamaha dealer check the snowmobile ESU10512 Coolant temperature warning indicator If the engine overheats the coolant tempera ture warning indicator and the warning light come on When this occurs stop the engine immediately and allow the engine to cool down and then check the coolant level in the coolant reservoir S...

Page 21: ...tarting procedures During the first few rides practice using the stop switch so that you can react quickly in an emergency ESU10661 Headlight beam switch LIGHTS Push the headlight beam switch to change the headlight to high beam HI or to low beam LO ESU12651 Grip thumb warmer adjustment switch The grip warmer adjustment switch and the thumb warmer adjustment switch control the electrically heated ...

Page 22: ... to close the auxiliary DC jack cap NOTICE ECS00122 To avoid circuit overload and a possible fuse blowing do not use accessories re quiring more than the maximum rated capacity for the auxiliary DC jack See page 66 for the specified fuse amper age Do not use an automotive cigarette light er or other accessory with a plug that gets hot because the jack can be dam aged ESU10551 Brake lever The snowm...

Page 23: ...e stop pull the shift lever out turn it to the desired position D R or L and then release it TIP Make sure that the shift lever is completely shifted into position NOTICE ECS00072 Do not use the shift lever while the snow mobile is moving otherwise the drive train could be damaged ESU10713 Shroud latches WARNING EWS00082 Be sure the shroud is secured before op eration A loose shroud could move and...

Page 24: ...engine with the V belt re moved Clutch components can be dam aged The drive guard is designed to cover the V belt clutch and V belt in case parts break or come loose ESU10760 V belt holders Keep a spare V belt for emergency use by placing it into the V belt holders provided NOTICE ECS00180 Make sure that the V belt is installed se curely in the holders ESU10780 Carburetor coolant shut off le ver T...

Page 25: ...hat can be installed or removed depending on the riding conditions When operating the snowmobile in areas where the ambient temperature is 5 C 41 5 F or higher the steel plates can be removed as needed by removing the screws Before re moving the steel plates consult a Yamaha dealer ESU10680 Passenger grip warmer switch The passenger grip warmer switch controls the electrically heated passenger gri...

Page 26: ...ot place sharp items in the storage compartment Fuel could leak if the fuel tank is damaged The bottom of the storage compartment may be hot during or immediately after operating the snowmobile It can cause burns if it becomes extremely hot Fur thermore heat in the storage compart ment can affect the quality of food items and deform and discolor plastic items Storage pouches The storage pouches ar...

Page 27: ...it In addition cargo must not project from the edges of the rear stor age area ECS00211 To install the passenger seat and backrest 1 Open the rider seat See Storage com partment for details 2 Remove the passenger seat bolts insert the hooks on the bottom of the passenger seat and backrest into the slots in the rear storage area and then slide the seat and backrest forward NOTICE Make sure that the...

Page 28: ...e in the tank 1 Before refueling turn off the engine and be sure that nobody is on the snowmo bile Never refuel while smoking or while in the vicinity of sparks open flames or other sources of ignition such as the pilot lights of water heaters and clothes dry ers 2 Do not overfill the fuel tank Stop filling when the fuel reaches the bottom of the filler tube Because fuel expands when it heats up h...

Page 29: ...l tank should be filled with the recommended gasoline as specified ESU10873 Suspension The suspension can be adjusted to suit rider preference Softer settings for example may provide greater rider comfort while harder settings may allow more precise handling and control over certain types of terrain or riding conditions If you are not familiar with suspension adjust ments have a Yamaha dealer make...

Page 30: ...ing on the center shock absorb er and the adjusting ring on the rear shock ab sorber Adjust the spring preload as follows Center shock absorber To increase the spring preload and thereby harden the suspension turn the adjusting ring in direction a To decrease the spring pre load and thereby soften the suspension turn the adjusting ring in direction b Rear shock absorber To increase the spring prel...

Page 31: ... 1 2 or 3 4 turn while hold ing the adjusting bolt securely with a wrench so it does not move 2 Turn the full rate adjusting bolt to the de sired position 3 While holding the adjusting bolt securely tighten the nut Spring preload setting Minimum soft 1 Standard 2 Maximum hard 7 1 Nut 1 Nut 2 Full rate adjusting bolt 1 Full rate adjusting bolt Spring rate and damping force setting full rate adjusti...

Page 32: ...justing nut in direction a To decrease the spring preload turn the adjusting nut in direc tion b TIP The spring preload setting is determined by measuring distance A shown in the illustra tion The longer distance A is the higher the spring preload the shorter distance A is the lower the spring preload 1 Spring preload adjusting nut 2 Distance A a b 2 1 Spring preload setting Minimum soft 16 mm 0 6...

Page 33: ...e If necessary add recommended oil to specified level Check vehicle for oil leakage 46 Coolant Check coolant level Add if necessary 50 V belt Check for wear and damage Replace if necessary 52 Drive guard Make sure that drive guard is tightened securely Check the drive guard mounts for damage 18 Brake Check operation If soft or spongy have Yamaha dealer bleed hy draulic system Check brake pads for ...

Page 34: ...maha dealer replace slide runners 60 Steering Check for excessive free play 59 Strap Check for damage Replace if necessary 35 Lights signals and switch es Check operation Correct if necessary 15 15 64 64 Throttle lever Make sure that operation is smooth and spring back to its original position when released 9 Throttle override system T O R S Check the T O R S for proper operation If system is not ...

Page 35: ...rake 2 Be sure the engine stop switch is in the run position The starter motor cannot be operated when the engine stop switch is in the off position 3 Fully open the starter choke lever TIP The starter choke lever is not required when the engine is warm Move the starter choke lever to the closed position 4 Turn the main switch to the start position and release it when the engine starts NOTICE Rele...

Page 36: ... operation the engine oil must be changed and the oil filter cartridge replaced If any engine trouble should occur dur ing the engine break in period immedi ately have a Yamaha dealer check the snowmobile ESU11333 Riding your snowmobile Getting to know your snowmobile WARNING EWS00211 To avoid severe injury or death Keep both hands on the handlebar dur ing operation Never put your feet outside the...

Page 37: ...rmed up you are ready to be gin riding your snowmobile To start out and accelerate 1 With the engine idling release the park ing brake 2 Apply the throttle slowly and smoothly The V belt clutch will engage and you will start to accelerate WARNING Do not allow anyone to stand behind the snowmobile when starting the engine A broken track track fittings or debris thrown by the track could be danger o...

Page 38: ... climbs straight up the hill this can be accomplished by leaning forward and on steeper inclines standing on the running boards and leaning forward over the handlebar Also see Traversing a slope Slow down as you reach the crest of the hill and be prepared to react to obstacles sharp drops or other vehicles or people which may be on the other side If you are unable to con tinue up a hill do not spi...

Page 39: ...ts to tip steer down the hill to regain balance WARNING If you are unable to maintain correct balance and your snowmobile is going to tip over dismount your snowmobile immediately on the uphill side to avoid being hit or caught under the snowmobile as it tips over EWS00261 Ice or icy surface WARNING EWS00270 When you have to operate on ice or icy surfaces drive slowly and cautiously Avoid accelera...

Page 40: ...or adjustment procedures A loose track can slip ratchet derail or catch on suspension parts causing severe damage Do not overtighten the drive track otherwise it may increase the friction between the track and the slide runners re sulting in the rapid wear of both components Also this may put an excessive load on the suspension components resulting in compo nent failure Marginal snow The drive tra...

Page 41: ...WS00300 Be sure to read the SAFETY INFORMA TION section on page 5 and the Riding your snowmobile section on page 30 carefully before operating the snowmo bile TIP Make sure that the engine is warmed up be fore riding WARNING EWS00631 Make sure that the throttle lever is fully released and the snowmobile is at a full stop before shifting Be sure to turn the shift lever to D R or L until it stops co...

Page 42: ...transporting your snowmobile on a trail er or in a truck observe the following recom mendations to help protect it from damage 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 surface could make it possible for fuel to flow through the carburetors into the cylinders This can result in hydrostatic lock a condi...

Page 43: ... the shroud and also help protect the snowmobile against damage from debris on the road If transporting the snowmobile in an open trailer or truck in areas where road salt is used coat metal suspension surfaces light ly with oil or another protectant This will help protect against corrosion Be sure to clean the snowmobile when you get to your destination to remove any corrosive salts U8GS14E0 book...

Page 44: ...or more information about carbon monoxide Maintenance replacement or repair of the emission control devices and systems may be performed by any repair establishment or individual that is certified if applicable Proper periodic maintenance of your snowmobile is important in order to enjoy long pleasur able use Especially important are the maintenance services related to emission control These contr...

Page 45: ...f necessary Fuel line Check fuel hose for cracks or damage Replace if necessary Idle speed Check and adjust idle speed 43 Carburetors Adjust synchronization Adjust the jets Whenever operating condition elevation tem perature is changed 46 Exhaust system Check for leakage Tighten or replace gasket if necessary ITEM REMARKS INITIAL EVERY PAGE 1 month or 800 km 500 mi 40 hr Seasonally or 4000 km 2500...

Page 46: ...or primary Inspect ramp shoes bushings for wear for secondary Replace if necessary Lubricate with specified grease Drive chain Check chain slack Adjust if necessary Initial at 500 km 300 mi and every 800 km 500 mi thereafter 54 Drive chain oil Check oil level 54 Change 54 Brake and parking brake Adjust free play and or replace pads if necessary 56 Change brake fluid See TIP following this chart 56...

Page 47: ...system Check toe out Adjust if necessary 59 Steering bearings Check bearing assemblies for looseness Lubricate with specified grease Skis and front shock absorbers Lubricate with specified grease 63 Suspension compo nent Lubricate with specified grease 63 Fittings and fasten ers Make sure that all nuts bolts and screws are properly tight ened Tighten if necessary 65 Battery Check condition Charge ...

Page 48: ...d be some thing wrong with the engine For example a very white center electrode porcelain color could indicate an intake track air leak or car buretion problem for that cylinder Do not at tempt to diagnose such problems yourself Instead take the snowmobile to a Yamaha dealer for inspection and possible repairs You should periodically remove and inspect the spark plugs because heat and deposits wil...

Page 49: ...Start the engine and warm it up TIP Refer to the Starting the engine section on page 29 3 Open the shroud 4 Turn the throttle stop screw in or out to adjust the engine idling speed 5 Close the shroud ESU11822 Adjusting the throttle cable free play NOTICE ECS00410 Be sure to adjust the engine idling speed first 1 Place the snowmobile on a level surface and apply the parking brake 2 Open the shroud ...

Page 50: ...gine to the point that the clutch engages Check the T O R S for proper operation 1 Start the engine TIP Refer to the Starting the engine section on page 29 2 Hold the pivot point of the throttle lever away from the throttle switch by putting your thumb above and forefinger be low between the throttle lever pivot and the engine stop switch housing While holding the pivot point as described above sq...

Page 51: ...ere is no snow under the air filter element frame after each ride In addition snow may need to be cleaned during a ride depending on the riding conditions 1 Open the shroud 2 Remove the air filter case cover by un hooking the case fastener and the case cover fasteners 3 Lift up the air filter element frame and check the air filter element If there is any snow on the air filter element remove the e...

Page 52: ...void poor perfor mance and rapid wear If you plan to operate your snowmobile at an altitude different from the area where you bought it be sure to con sult a Yamaha dealer The dealer can tell you if there are any changes necessary for the al titude where you plan to ride NOTICE The drive chain gears and V belt clutch should be adjusted when operating above a high altitude of 900 m 3000 ft Consult ...

Page 53: ...eak ECS00452 5 Remove the oil filler cap wipe the dipstick clean insert it back into the oil filler hole without screwing it in and then remove it again to check the oil level TIP The engine oil should be between the H and L level marks on the dipstick 6 If the engine oil is below the L level mark add sufficient oil of the recom mended type to raise it to the H level mark See page 75 for the recom...

Page 54: ...pen the shroud 4 Remove the right side cover and the bot tom panel 5 Place an oil pan under the oil tank to col lect the used oil 6 Disconnect the oil level gauge coupler 7 Remove the oil filler cap and cylinder head cap and then remove the engine oil drain bolt and its gasket to drain the oil from the oil tank 8 Place an oil pan under the engine to col lect the used oil 1 Right side cover 2 Screw...

Page 55: ...14 Add 2 0 L 2 11 US qt 1 76 Imp qt of the recommended engine oil to the oil tank and then install and tighten the oil filler cap and the cylinder head cap 15 Start the engine warm it up for several minutes and then turn it off 16 Remove the oil filler cap and then add sufficient oil of the recommended type to raise it to the H level mark on the dip stick See above for the checking proce dure NOTI...

Page 56: ...rt WARNING EWS00390 Do not remove the radiator 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 radiator cap and slowly rotate the cap counterclockwise to the detent This procedure allows any re sidual pressure to escape When the hiss ing sound has stopped press do...

Page 57: ...eak Consult a Yamaha deal er NOTICE ECS00500 Operating the engine with an improperly bled cooling system can cause overheat ing and severe engine damage Replenishing the coolant 1 Place the snowmobile on a level surface and apply the parking brake 2 Open the shroud 3 Remove the coolant reservoir cap and add coolant until it reaches the FULL mark 4 Start the engine and add coolant until the coolant...

Page 58: ...y 3 Install the drive guard and close the shroud To replace and adjust the V belt WARNING EWS00411 When installing a new V belt make sure that it is positioned properly Otherwise the V belt clutch engagement speed will be changed and the snowmobile may move unexpectedly when the engine is started which could cause an accident NOTICE ECS00511 As the V belt wears the position of the V belt will chan...

Page 59: ... between the sheaves the secondary sliding and fixed sheaves must touch each other 7 If the V belt position is incorrect adjust it by removing or adding a spacer on each V belt position adjusting bolt 1 Secondary sliding sheave 2 Secondary fixed sheave 1 V belt 1 Edge of the secondary sheave assembly 2 Standard V belt position Standard V belt position From 1 5 mm 0 06 in above the edge of the seco...

Page 60: ... To check the drive chain housing oil level 1 Place the snowmobile on a level surface and apply the parking brake 2 Remove the rubber cap 1 V belt position adjusting bolt 2 Spacer V belt position Adjustment More than 1 5 mm 0 06 in above the edge Remove a spacer From 1 5 mm 0 06 in above the edge to 0 5 mm 0 02 in below the edge Not necessary it is correct More than 0 5 mm 0 02 in below the edge A...

Page 61: ...CS00531 4 Install the dipstick making sure to align the notch in the dipstick handle with the projection on the drive chain housing 5 Install the rubber cap To adjust the chain tension 1 Loosen the locknut 2 Turn the chain tension adjusting bolt clockwise until it is finger tight and then loosen it 1 4 turn 1 Rubber cap 1 Drive chain oil level check window 2 Maximum level mark 3 Minimum level mark...

Page 62: ...rly If the brake does not provide proper braking performance inspect the brake for wear or brake fluid leakage See the following section for more details Checking the brake pads Check the brake pads for wear according to the following procedure 1 Place the snowmobile on a level surface and apply the parking brake 2 Open the shroud 3 Check the brake pads for wear If the brake pads reach the wear li...

Page 63: ...knut 8 Close the shroud Checking the brake fluid level WARNING EWS00460 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 Parking brake pad wear limit Parking brake pad wear limit 1 2 mm 0 047 in 1 Parking brake pad adjusting ...

Page 64: ...r leaking All oil seals of the master cylinder and cali per cylinder The brake hose ESU12143 Skis and ski runners Check the skis and ski runners for wear and damage Replace if necessary NOTICE ECS00560 Avoid scratching the skis when loading and unloading the snowmobile when riding in areas with little or no snow or on sharp edges such as concrete curbs etc This will wear or damage the skis To alig...

Page 65: ...ar slightly to the right and left If excessive free play is felt consult a Yamaha dealer To adjust the handlebar height 1 Remove the handlebar cover 2 Loosen the handlebar bolts 3 Move the handlebar up or down to adjust the handlebar height to the desired posi tion NOTICE Make sure that the pro jection on the handlebar is not installed into the area shown ECS00571 1 Distance A 2 Distance B Ski toe...

Page 66: ...ound to allow the drive track to spin Never allow anyone near a rotating drive track Inspect the drive track condition fre quently 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 fail ure could result in loss of braking ability and snowmobile control which could cau...

Page 67: ...track Adjusting the drive track 1 Loosen the rear axle nut 2 Lift the rear of the snowmobile onto a suit able stand to raise the drive track off the ground 3 Start the engine and rotate the drive track one or two turns Stop the engine 4 Check the drive track alignment with the slide runners If the alignment is incorrect align the drive track by turning the left and right adjusting nuts 1 Spring sc...

Page 68: ...for wear and dam age If the slide runners reach the wear limit they should be replaced Drive track alignment Shifted to right Shifted to left Left adjusting nut Turn out Turn in Right adjust ing nut Turn in Turn out 1 Left adjusting nut 2 Right adjusting nut 1 Forward 2 Gap 3 Slide runner 4 Drive track 5 Slide metal 1 Forward 2 Gap 3 Slide runner 4 Drive track 5 Slide metal Drive track deflection ...

Page 69: ...ARNING EWS00511 Do not grease the throttle cable because it could become frozen which could cause loss of control Apply a dab of grease onto the cable end only 1 Slide runner 2 Wear limit height Slide runner wear limit height 10 0 mm 0 39 in Lubricants Brake lever Silicone grease Other lubrication points Low temperature grease 1 Lubrication point 1 Throttle cable end 1 Grease nipple 1 U8GS14E0 boo...

Page 70: ...m the glass part of the bulb or its life and illumination will be affect ed If the glass is oil stained thor oughly clean it with a cloth moistened with alcohol or lacquer thinner ECS00621 7 Install the bulb holder cover and then connect the headlight coupler 8 Close the shroud ESU12250 Adjusting the headlight beams 1 Open the shroud 2 Remove the locking pin 1 Grease nipple 1 Grease nipple 1 Bulb ...

Page 71: ... sulfuric acid and can cause severe burns Avoid contact with skin eyes or clothing ANTIDOTE EXTERNAL Flush with water INTERNAL Drink large quantities of wa ter or milk Follow with milk of magne sia 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 Venti...

Page 72: ...not charge the battery quickly ESU12323 Replacing a fuse WARNING EWS00550 Be sure to use the specified fuse A wrong fuse could cause electrical system dam age or A FIRE HAZARD NOTICE ECS00631 Be sure to turn the main switch to the off position and disconnect the negative bat tery lead to prevent accidental short cir cuiting 1 Open the shroud 2 Unhook the air filter case fastener 3 Loosen the joint...

Page 73: ...clamp 2 Oil tank breather hose 3 Crankcase breather hose clamp air filter case side 4 Crankcase breather hose 1 Main fuse 2 Spare main fuse 1 HEAD headlight fuse 2 SIG signaling system fuse 3 DC TERM auxiliary DC jack fuse 4 C W carburetor warmer fuse 5 IGN ignition fuse 6 FAN radiator fan fuse 7 Spare fuse U8GS14E0 book Page 67 Wednesday May 19 2010 10 45 AM ...

Page 74: ...case ECS00641 10 Close the shroud TIP If the fuse immediately blows again ask a Yamaha dealer to inspect the snowmobile Specified fuses Main fuse 30 0 A Spare main fuse 30 0 A Headlight fuse 20 0 A Signaling system fuse 10 0 A Auxiliary DC jack fuse 3 0 A Carburetor warmer fuse 20 0 A Ignition fuse 15 0 A Radiator fan fuse 15 0 A Spare fuses 20 0 A 15 0 A 10 0 A 3 0 A U8GS14E0 book Page 68 Wednesd...

Page 75: ...ety de vice in the case of a malfunction take the snowmobile to a Yamaha dealer immediately for repair EWS00561 3 Compression Insufficient Loose cylinder head nuts Tighten nuts properly Worn or damaged gasket Replace gasket Worn or damaged piston and cylin der Ask a Yamaha dealer to inspect Discharged battery If the battery is discharged the engine can be started using a fully charged 12 volt batt...

Page 76: ... off position 2 Open the shroud 3 Remove the red connecting lead from the lead holder and move it away from the black connecting lead NOTICE Be sure to connect the red jumper cable to the red connecting lead and the black jumper cable to the black connecting lead Do not re verse the connections ECS00661 4 Pull the red connecting lead cover to expose the terminal through the slit in the cover and t...

Page 77: ... or operates slowly Engine stop switch is pushed in Pull it out Faulty wire connections Check connec tions or ask a Yamaha dealer to inspect Discharged battery Charge battery or see Discharged battery above Seized engine Seizure is caused by poor lubrication inadequate fuel or an air leak Ask a Yamaha dealer to inspect Hydrostatic lock occurs when fuel has filled the cylinders when the vehicle has...

Page 78: ... engine mount s Ask a Yamaha dealer to inspect V belt slips or becomes extremely hot Oily or dirty V belt or primary and second ary sheave assembly surfaces Clean Problem with the driveline See V belt twists above Engine does not upshift or downshift properly or engages harshly Worn or damaged V belt Replace the V belt or ask a Yamaha dealer to inspect Incorrect V belt clutch settings for altitude...

Page 79: ...re that it does not leave any marks If the windshield is scratched use a quality plastic polishing com pound after washing Lubrication Lubricate moving parts suspension linkage and pivot points Use the grease or lubricant specified in the MAINTENANCE section or Yamaha Lube Zall general purpose lubricant Proper lubrication fights corrosion while it re duces friction Fuel system Add Yamaha Fuel Stab...

Page 80: ...lated place out of direct sunlight Put a fabric cover over the snowmobile preferably one that is designed for it Do not use a plastic or vinyl cover condensation could be trapped un derneath 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 cle...

Page 81: ...h on ground 1204 mm 47 4 in Rear suspension Type Slide rail suspension Track sprocket wheel Material Polyethylene Number of teeth 8 Transmission Clutch type Automatic centrifugal engagement Overall reduction ratio 7 41 1 95 1 Overall reduction ratio L 9 91 2 61 1 Sheave distance 267 0 270 0 mm 10 51 10 63 in Sheave offset 13 5 16 5 mm 0 53 0 65 in Engagement speed Subject to change according to el...

Page 82: ...ever right hand operated Electrical system Ignition system T C I Spark plug Manufacturer NGK Model CR8E Gap 0 7 0 8 mm 0 028 0 031 in Battery Model YTX20L BS Voltage capacity 12 V 18 0 Ah Ten hour rate amperage 1 8 A Bulb voltage wattage quantity Headlight 12 V 60 55 W 2 Headlight bulb type Halogen bulb Tail brake light 12 V 5 21 W 1 Meter lighting 14 V 50 mA 6 High beam indicator light 14 V 80 mA...

Page 83: ... in a separate place in case the snowmobile is sto len Frame serial number The frame serial number is the seventeen digit number stamped on the frame of the snowmobile Engine serial number Primary ID The engine serial number is stamped in the location as shown Key identification number The key identification number is stamped in the location as shown 1 Frame serial number 1 Engine serial number 1 ...

Page 84: ...n Control Information la bel is affixed at the location in the illustration This label shows specifications related to ex haust emissions as required by federal law state law and Environment Canada 1 Vehicle Emission Control Information label 1 U8GS14E0 book Page 78 Wednesday May 19 2010 10 45 AM ...

Page 85: ...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 and make the machine av...

Page 86: ...l 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 another part to fail a...

Page 87: ...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 and receipts CHANGE...

Page 88: ...Consumer information 82 ESU12510 YAMAHA EXTENDED SERVICE Y E S U8GS14E0 book Page 82 Wednesday May 19 2010 10 45 AM ...

Page 89: ...nt labels 1 Louvers 19 Low coolant temperature indicator light 11 Lubrication 63 M Main switch 9 Multi function meter unit 10 O Oil level warning indicator 14 P Parking brake lever 17 Part locations 7 Passenger grip warmer switch 19 Periodic maintenance chart for the emission control system 38 Pre operation check list 27 R Rear storage area and rear carrier 20 Rear suspension full rate adjusting 2...

Page 90: ...em T O R S checking 44 Tool kit 42 Tow hitch 22 Transporting 36 Troubleshooting 69 V Valve clearance 46 V belt 52 V belt holders 18 Vehicle Emission Control Information label 78 U8GS14E0 book Page 2 Wednesday May 19 2010 10 45 AM ...

Page 91: ...U8GS14E0 book Page 3 Wednesday May 19 2010 10 45 AM ...

Page 92: ...YAMAHA MOTOR CO LTD PRINTED ON RECYCLED PAPER PRINTED IN JAPAN 2010 06 0 3 1 CR ESU12520 DIC183 ...

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