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Specifications

123

Overall reduction ratio:

RS90GT 6.02–1.58 :1
RS90LTGT 6.18–1.63 :1
RST90 6.74–1.77 :1
RST90GT 6.44–1.70 :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 elevation settings.):

RS90GT 3100–3500 r/min
RS90LTGT 3100–3500 r/min
RST90 3000–3400 r/min
RST90GT 2900–3300 r/min

Shift speed [Subject to change according to
elevation settings. Usually achieved after
approximately 800 m (0.5 mi) traveled.]:

RS90GT 8000–8500 r/min
RS90LTGT 8000–8500 r/min
RST90 8250–8750 r/min
RST90GT 8000–8500 r/min

Drive chain type:

Silent chain enclosed in oil bath

Drive chain housing oil:

Type:

SAE 75W or 80W API GL-3 Gear oil

Capacity:

0.25 L (0.26 US qt, 0.22 Imp.qt)

Reverse system:

Yes

Primary reduction ratio:

3.80–1.00 :1

Secondary reduction ratio:

RS90GT 38/24 (1.58)
RS90LTGT 39/24 (1.63)
RST90 39/22 (1.77)
RST90GT 39/23 (1.70)

Secondary reduction ratio [R]:

RS90GT 2.08
RS90LTGT 2.08
RST90 2.27
RST90GT 2.17

Fuel tank capacity:

RS90GT 35.6 L (9.41 US gal, 7.83 Imp.gal)
RS90LTGT 35.6 L (9.41 US gal,
7.83 Imp.gal)
RST90 39.3 L (10.38 US gal, 8.65 Imp.gal)
RST90GT 35.6 L (9.41 US gal, 7.83 Imp.gal)

Engine oil quantity:

With oil filter cartridge replacement:

RS90GT 3.3 L (3.49 US qt, 2.90 Imp.qt)
RS90LTGT 3.3 L (3.49 US qt, 2.90 Imp.qt)
RST90 3.0 L (3.17 US qt, 2.64 Imp.qt)
RST90GT 3.3 L (3.49 US qt, 2.90 Imp.qt)

Without oil filter cartridge replacement:

RS90GT 3.1 L (3.28 US qt, 2.73 Imp.qt)
RS90LTGT 3.1 L (3.28 US qt, 2.73 Imp.qt)
RST90 2.8 L (2.96 US qt, 2.46 Imp.qt)
RST90GT 3.1 L (3.28 US qt, 2.73 Imp.qt)

Total amount:

RS90GT 4.0 L (4.23 US qt, 3.52 Imp.qt)
RS90LTGT 4.0 L (4.23 US qt, 3.52 Imp.qt)
RST90 3.7 L (3.91 US qt, 3.26 Imp.qt)
RST90GT 4.0 L (4.23 US qt, 3.52 Imp.qt)

Brake:

Type:

Hydraulic disc type (ventilated disc)

Operation:

Handle lever, left-hand operated

Throttle:

Operation:

Handle lever, 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:

RST90 12 V, 5/21 W

×

2

U8JA11E0.book Page 123 Monday, June 14, 2010 10:22 AM

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Содержание RS Venture RST90A

Страница 1: ...OWNER S MANUAL 8JA 28199 11 LIT 12628 02 95 ESU10012 Read this manual carefully before operating this vehicle RS90GTA RS90LTGTA RST90A RST90GTA DIC183 ...

Страница 2: ...ESU10041 Read this manual carefully before operating this vehicle This manual should stay with this vehicle if it is sold U8JA11E0 book Page 1 Monday June 14 2010 10 22 AM ...

Страница 3: ...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 inspections an...

Страница 4: ...fety 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 U8JA11E0...

Страница 5: ...r switch RST90 RST90GT 29 Passenger footrests RST90 RST90GT 30 Backrest RST90 RST90GT 30 Storage compartment RS90GT RS90LTGT RST90GT 31 Storage areas RST90 33 Tow hitch bracket RST90 RST90GT 35 Fuel 36 Suspension 37 Pre operation checks 46 Pre operation check list 46 Operation 48 Starting the engine 48 Break in 50 Riding your snowmobile 50 Maximizing drive track life 54 Driving 55 Stopping the eng...

Страница 6: ...6 Drive track and slide runners 98 Lubrication 102 Replacing a headlight bulb 103 Adjusting the headlight beams 107 Fittings and fasteners 108 Battery 108 Replacing a fuse 109 Troubleshooting 116 Storage 120 Specifications 122 Consumer information 125 Identification number records 125 Vehicle Emission Control Information label 126 YAMAHA MOTOR CORPORATION U S A SNOWMOBILE LIMITED WARRANTY 127 YAMA...

Страница 7: ...mation 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 1 4 9 5 8 3 2 5 8 4 3 2 1 9 7 6 8 5 4 3 2 1 9 RS90GT RS90LTGT RST90GT RST90 U8JA11E0 book Page 1 Monday June 14 2010 10 22 AM ...

Страница 8: ...Location of the important labels 2 12 11 10 13 17 17 12 17 15 11 14 10 16 17 11 12 17 14 16 17 15 10 RS90GT RS90LTGT RST90GT RST90 U8JA11E0 book Page 2 Monday June 14 2010 10 22 AM ...

Страница 9: ... de démarrer le moteur vérifier l opération du frein de l accélérateur et de la direction Le frein de sécurité doit être appliqué lors du démarrage Ne pas rouler avec le frein de sécurité actionné En cas d urgence utiliser l interrupteur d arrêt du moteur Ne pas laisser tourner le moteur sans la courroie ou sans son garde S assurer que le bouchon du réservoir soit bien refermé après le remplissage...

Страница 10: ...NE 3 FLÈCHE DE LA CHENILLE POUR PLUS DE DÉTAIL VOIR LE MANUEL D ATELIER POUR CE MODÈLE LES CARACTÉRISTIQUE TECHNIQUES SONT SUSCEPTIBLES DE CHANGER SANS NOTIFICATION PRÉALABLE 250 cm 8 5 oz GL 3 75W or 80W 20 25 mm 0 79 0 98 in 100 N 10 kg 22 lb 250 cm GL 3 75W or 80W 8HF 47578 00 20 25 mm 100 N 10 kg TUNE UP SPECIFICATIONS SPECIFICATIONS DE LA MISE AU POINT 8ER E0 8ER 77763 E0 8FR 77763 E0 C M V S...

Страница 11: ...IT CHARGE LIMITE 8ET 24897 00 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 13 RS90LTGT 14 RST90 RST90GT 15 RST90 RST90GT 16 RST90 RST90GT 17 RST90 17 RS90GT RS90LTGT U8JA11E0 book Page 5 Monday June 14 2010 10 22 AM ...

Страница 12: ...the vehicle properly in creases the possibility of an accident or equipment damage See page 46 for a list of pre operation checks Apply the parking brake before starting the engine Never drive the snowmobile with the parking brake applied This may over heat the brake disc and reduce braking abil ity While using your snowmobile This snowmobile was not manufactured for use on public streets roads or...

Страница 13: ... decision Genuine Yamaha Ac cessories which are available only from a Yamaha dealer have been designed tested and approved by Yamaha for use on your snowmobile Many companies with no con nection to Yamaha manufacture parts and ac cessories or offer other modifications for Yamaha vehicles Yamaha is not in a position to test the products that these aftermarket companies produce Therefore Yamaha can ...

Страница 14: ... 2 Main fuse 3 Air filter 4 Oil filler cap 5 Fuse box 6 Coolant reservoir 7 Coolant recovery tank 8 Storage compartment 9 Tool kit 10 Tail brake light 11 Slide rail suspension 12 Rear shock absorber damping force remote adjusting dial 13 Drive track 14 V belt holder U8JA11E0 book Page 8 Monday June 14 2010 10 22 AM ...

Страница 15: ... box 6 Coolant reservoir 7 Passenger grip warmer switch 8 Passenger grip 9 Backrest 10 Storage compartment 11 Storage pouch RST90GT 12 Tool kit 13 Tail brake light 14 Tow hitch bracket 15 Slide rail suspension 16 Drive track 17 V belt holder 18 Solo touring storage area RST90 19 Rear carrier RST90 20 Throttle stop screw RST90 U8JA11E0 book Page 9 Monday June 14 2010 10 22 AM ...

Страница 16: ...ST90 2 3 78 6 11 9 10 12 13 1 Brake lever 2 Parking brake lever 3 Grip thumb warmer adjusting switch RS90GT RS90LTGT RST90GT 4 Grip warmer adjusting switch RST90 5 Thumb warmer adjusting switch RST90 6 Helmet shield heater jack RS90GT RS90LTGT RST90GT 7 Engine stop switch 8 Throttle lever 9 Main switch 10 Shift lever 11 Auxiliary DC jack 12 Headlight beam switch 13 Shroud latch RST90 14 Starter ch...

Страница 17: ...taillights come on after the engine is start ed ESU10301 Starter choke lever RST90 Use the starter choke lever when starting and warming up a cold engine TIP Refer to the Starting the engine section on page 48 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 ...

Страница 18: ...speed to less than the clutch engagement speed if the throttle valves fail to return to the idle position when the throttle lever is re leased See page 122 for the clutch engage ment speed TIP If the T O R S is activated the warning light and engine trouble warning indicator flash and the two digit code 84 displays RS90GT RS90LTGT RST90GT or flash es RST90 in the meter display If this oc curs have...

Страница 19: ...remain ing in the fuel tank a grip thumb warmer level indicator which shows the grip warmer level or the thumb warmer level a display brightness control function When the key is turned to the on position the tachometer needle makes one sweep and the low coolant temperature indicator light the warning light and all segments of the meter unit display come on and go off The grip warmer level is initi...

Страница 20: ... change tripmeter and OIL flash alternately in the odometer display and the tripmeter starts counting the distance traveled from that point When this occurs change the engine oil as soon as possible See page 77 for the oil change procedure TIP The oil change tripmeter will flash only when the snowmobile is stopped To return to the previous display mode push the SELECT button To display the oil cha...

Страница 21: ... 2 Push the SELECT button and RESET button simultaneously until the hour digits start flashing 3 Push the RESET button to change the hour setting and then push the SE LECT button The minute digits will start flashing 4 Push the RESET button to change the minute setting and then push the SE LECT button The clock starts when the SELECT button is released TIP The clock must be set again when the batt...

Страница 22: ...or 5 seconds then the display switches to the fuel meter TIP To switch the speedometer odometer and tripmeter displays 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 Odometer and tripmeter modes Pushing the select reset button switches the display between the odometer mode ODO and the tripmeter...

Страница 23: ...oolant temperature indicator light is on If the engine speed is too high maximum en gine speed is reduced to protect the engine RST90 Drive the snowmobile at low speeds when the low coolant temperature indicator light is on If the engine speed is too high the warning light and engine trou ble warning indicator flash and the two digit code 86 flashes in the error code display When this occurs maxim...

Страница 24: ... level surface to obtain an accurate fuel meter read ing since the reading changes according to the movement and inclination of the snowmo bile Grip thumb warmer level indicator When the grip warmer side of the grip thumb warmer adjusting switch is pressed the grip warmer indicator comes on and the display switches to the grip warmer level When the thumb warmer side of the grip thumb warmer adjust...

Страница 25: ...g 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 level surface to obtain an accurate fuel meter read ing since the reading changes according to the movement and inclination of the snowmo bile Grip thumb warmer level indicator When the grip warmer adjusting switch is presse...

Страница 26: ...The fuel level warning indicator and the warn ing light come on when the fuel level is low See page 18 for details The fuel level warning indicator the warning light the fuel meter indicator RS90GT RS90LTGT RST90GT and all segments of the fuel meter start to flash when a malfunc tioning sensor disconnected coupler broken lead or short circuit is detected by the self di agnosis device of the snowmo...

Страница 27: ...tank see page 77 for engine oil level checking procedures and add engine oil if necessary If the oil level warning indicator and the warn ing light still remain on have a Yamaha dealer check the snowmobile ESU10513 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 a...

Страница 28: ...soon as possible NOTICE Do not continue to oper ate the engine longer than necessary if there is an error code to avoid possible en gine damage ECS00820 RS90GT RS90LTGT RST90GT RST90 ESU10531 Engine stop switch The engine stop switch is used to stop the en gine in an emergency Simply push the stop switch to stop the engine To start the engine pull the stop switch and proceed with starting the engi...

Страница 29: ...side of the switch To raise the thumb warmer temperature press the side of the switch To lower the temperature Continue to press the switch until the temper ature level returns to the minimum level and then raise the temperature to the desired lev el See Fuel meter and grip thumb warmer level indicator on page 18 for detailed information RST90 The grip warmer adjusting switch and the thumb warmer ...

Страница 30: ...ack cap and then insert the accessory power plug into the jack RS90GT RS90LTGT RST90GT RST90 3 After using the auxiliary DC jack be sure to remove the accessory power plug from the jack and 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...

Страница 31: ...09 for the specified fuse amperage ESU10571 Brake lever The snowmobile is stopped by braking the en tire drive system Squeeze the brake lever towards the handle bar grip to stop the snowmobile TIP When the brake lever is squeezed the brake light comes on NOTICE ECS00060 Make sure that the brake lever end does not project out over the handlebar end This will help prevent brake lever damage when the...

Страница 32: ...he parking brake move the park ing brake lever to the right ESU10593 Shift lever The shift lever is used to put the snowmobile into forward or reverse After coming to a complete stop pull the shift lever out slide it to FWD or to REV until it stops and then release it RS90GT RS90LTGT RST90GT 1 Locknut 2 Adjusting bolt 1 Parking brake lever 1 Shift lever 1 Pull out 2 Slide to FWD forward 3 Release ...

Страница 33: ...alled securely before operating the snowmobile to protect against severe injury or death from a broken V belt or other part should it come off the snow mobile while it is in operation NOTICE ECS00930 Never run the engine with the V belt re moved Clutch components can be dam aged Be careful not to scratch the windshield when removing or installing the drive guard 1 Pull out 2 Slide to REV reverse 3...

Страница 34: ... the rear of the drive guard as shown and then pull the guard rearward to remove it To install the drive guard 1 Fit the front slots in the drive guard over the projections on the drive guard front holder 2 Align the slots in the rear of the drive guard with the projections on the drive guard rear holder and then insert the drive guard locking pin into the holder as shown ESU10761 V belt holders K...

Страница 35: ...by turning it counterclockwise 2 Move the passenger grip to the desired position 3 Install the adjusting knob by turning it clockwise WARNING EWS00780 Make sure that the passenger grip adjust ing knobs are securely tightened after changing the positions of the passenger grips ESU10681 Passenger grip warmer switch RST90 RST90GT The passenger grip warmer switch controls the electrically heated passe...

Страница 36: ...ing the position of the footrests Do not overtighten the screws other wise the footrest may be damaged ESU14130 Backrest RST90 RST90GT WARNING EWS00131 Do not sit on the backrest Otherwise you could lose your balance fall and be in jured The angle RST90 RST90GT and position RST90GT of the backrest are adjustable To adjust the backrest angle Turn the backrest adjusting knob until the backrest reach...

Страница 37: ... Storage compartment RS90GT RS90LTGT RST90GT RS90GT RS90LTGT The storage compartment is located behind the seat Use the storage compartment to store the tool kit manuals spare parts or oth er small items To open the storage compartment Turn the fastener 1 2 turn in either direction and then fold the storage compartment cover up 1 Backrest 2 Backrest adjusting knob 1 Backrest 2 Backrest adjusting k...

Страница 38: ...e the storage compartment to store the storage pouch spare parts or other small items To open the storage compartment Unhook the storage compartment latches and open the storage compartment lid TIP Before opening the storage compartment lid move the backrest forward so that the lid can be opened See page 30 for backrest adjust ment procedures To close the storage compartment Close the storage comp...

Страница 39: ... storage area and rear carrier The rear storage area and the rear carrier are located at the rear of the snowmobile The rear storage area can be used only when the passenger seat is removed To remove the passenger seat and backrest 1 Pull the carrier lock lever away from the carrier lock bracket and then push it down to unlock the backrest and the rear carrier 2 Slide both the backrest and the rea...

Страница 40: ...th the holder NOTICE When using the rear storage area do not load any car go that is too large for it In addition cargo must not project from the edges of the rear storage area ECS00211 To install the passenger seat and backrest 1 Remove the rear carrier Refer to steps 1 2 in the To remove the passenger seat and backrest section 2 Install the passenger seat and then in stall the passenger seat loc...

Страница 41: ... the rear carrier in place Then place the lever under the rear car rier and secure it with the holder ESU10862 Tow hitch bracket RST90 RST90GT NOTICE ECS00241 To prevent premature wear of the V belt avoid traveling under 10 km h 6 mi h when towing for long distances or long pe riods of time This snowmobile is equipped with a tow hitch bracket that is used to install a tow hitch Use the tow hitch b...

Страница 42: ...he bottom of the filler tube Because fuel expands when it heats up heat from the engine or the sun can cause fuel to spill out of the fuel tank 3 Wipe up any spilled fuel immediately 4 Be sure the fuel tank cap is closed se curely by turning it clockwise WARNING EWS00680 Gasoline is poisonous and can cause inju ry or death Handle gasoline with care Never siphon gasoline by mouth If you should swal...

Страница 43: ...for mation before handling shock absorbers that contain highly pressurized nitrogen gas Do not tamper with or attempt to open the cylinder assemblies Do not subject the shock absorbers to an open flame or other high heat source This may cause the unit to explode due to excessive gas pressure Do not deform or damage the cylinders in any way Cylinder damage will result in poor damping performance Do...

Страница 44: ...ARNING EWS00740 The damping forces of the left and right shock absorbers must be adjusted to the same settings Uneven settings can cause poor handling and loss of stability Compression damping force The compression damping force of each shock absorber can be adjusted by turning its compression damping force adjusting knob 1 Locknut 2 Distance A 3 Spring preload adjusting nut 1 Locknut 2 Distance A...

Страница 45: ...RST90 RST90GT The spring preload can be adjusted by turning the adjusting nut on the center shock absorb er and the adjusters on the rear torsion springs Adjust the spring preload as follows Center shock absorber 1 Loosen the locknut 2 To increase the spring preload and there by harden the suspension turn the ad justing nut in direction a To decrease 1 Compression damping force adjusting knob Comp...

Страница 46: ...preload and thereby harden the suspension turn the adjuster in di rection a To decrease the spring preload and thereby soften the suspension turn the adjuster in direction b ESU10985 Adjusting the spring preload of the rear shock absorber RS90GT RS90LTGT The spring preload can be adjusted by turning the adjusting ring on the rear shock absorber 1 Spring preload adjusting nut 2 Distance A 3 Locknut...

Страница 47: ...or handling and loss of stability may result The spring force can be adjusted by changing the position of the 2 up adjusting blocks TIP Be sure to make this adjustment when there is no load rider or cargo on the snowmobile Use the special tools included in the own er s tool kit to make the adjustment 1 Insert the special tools into the 2 up ad justing block as shown 2 Pull the lock pin and turn th...

Страница 48: ...nob To increase the compression damping force turn the adjusting knob in direction a To de crease the compression damping force turn the adjusting knob in direction b NOTICE Do not continue to turn the adjusting knob in direction a after it stops The shock ab sorber could be damaged and damping force adjustments will not be able to be made Do not turn the adjusting knob in di rection b more than c...

Страница 49: ...he locknut 3 To increase weight transfer turn the ad juster in direction a and to decrease weight transfer turn it in direction b WARNING Never adjust the control rod beyond the range of the scale on the special wrench otherwise the con trol rod could be damaged which could lead to an accident or injury EWS00181 4 Tighten the locknut while holding the ad juster in place TIP Make sure that the spec...

Страница 50: ...weight transfer turn the ad justing nut in direction a and to de crease weight transfer turn it in direction b WARNING Never adjust the con trol rods beyond the maximum set ting indicated by red paint otherwise they could be damaged which could lead to an accident or injury EWS00173 1 Special wrench Locknut tightening torque 35 Nm 3 5 m kgf 25 ft lbf 1 1 Locknut 2 Control rod adjusting nut 1 2 a b...

Страница 51: ... the locknut against the adjust ing nut and then tighten the locknut to the specified torque ECS00860 1 Locknut 2 Control rod adjusting nut 3 Standard position 4 Adjustable range 5 Red paint area Locknut tightening torque 25 Nm 2 5 m kgf 18 ft lbf 1 5 2 3 4 U8JA11E0 book Page 45 Monday June 14 2010 10 22 AM ...

Страница 52: ...o specified level Check vehicle for oil leakage 77 Coolant Check coolant level Add if necessary 83 V belt Check for wear and damage Replace if necessary 88 Drive guard Make sure the drive guard is installed securely Check the drive guard mounts for damage 27 Brake Check operation If soft or spongy have Yamaha dealer bleed hy draulic system Check brake pads for wear Replace if necessary Check fluid...

Страница 53: ...s 98 Steering Check for excessive free play 96 Lights signals and switch es Check operation Correct if necessary 23 22 103 107 Throttle lever Make sure that operation is smooth and spring back to its original position when released 11 Throttle override system T O R S Check the T O R S for proper operation If system is not functioning properly have Yamaha dealer check vehicle 72 ITEM CHECKS PAGE U8...

Страница 54: ... it stops again ask a Yamaha dealer to inspect the snow mobile an engine overheating prevention system which prevents overheating when the en gine is idling When the engine has been idling for 3 minutes or longer and the cool ant temperature has risen above 100 C 212 F the engine automatically stops to prevent overheating The engine can be started after it stops ESU13970 Starting the engine RS90GT...

Страница 55: ...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 Release the switch immedi ately after the engine starts If the en gine fails to start release the switch wait a few seconds then try again Each attempt should be as short as possible to preserve the battery Do not crank the engine more than 10...

Страница 56: ...f 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 th...

Страница 57: ...armed 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 ...

Страница 58: ...n 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 sp...

Страница 59: ...rts 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 acceler...

Страница 60: ...for 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 tr...

Страница 61: ...e the engine is idling Make sure that the area behind the snowmobile is clear before reversing Watch behind Reduce speed and avoid sharp turning when operating the snowmobile in re verse 1 To select the desired operating position pull the shift lever out slide it to FWD or to REV until it stops and then release it NOTICE Do not shift from FWD to REV or from REV to FWD while the snowmobile is movin...

Страница 62: ...y ESU13780 Transporting When transporting your snowmobile on a trail er or in a truck observe the following recom mendations to help protect it from damage RST90 Make sure that the fuel level in the fuel tank is lower than the bottom of the car buretors Otherwise the vibration and bumps from the road surface could make it possible for fuel to flow through the carbu retors into the cylinders This c...

Страница 63: ...ents and also help protect the snowmo bile 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 U8JA11E0 book Page ...

Страница 64: ...icing can lead to eye injury burns fire or carbon mon oxide poisoning possibly leading to death See page 6 for more information about carbon monoxide WARNING EWS00790 Brake discs calipers and linings can become very hot during use To avoid possible burns let brake components cool before touching them Maintenance replacement or repair of the emission control devices and systems may be performed by ...

Страница 65: ... clear ance when engine is cold Every 40000 km 25000 mi 77 Crankcase breather system Check breather hose for cracks or damage Replace if necessary Fuel filter RST90 Check condition Replace if necessary Fuel line Check fuel hose for cracks or damage Replace if necessary Idle speed RST90 Check and adjust idle speed 69 Fuel injection RS90GT RS90LTGT RST90GT Check synchronization Adjust if necessary C...

Страница 66: ...and bushings for wear for 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 91 Drive chain oil Check oil level 91 Change 91 Brake and parking brake Adjust free play and or replace pads if necessary 92 Change brake fluid See TIP ...

Страница 67: ...Steering system Check toe out Adjust if necessary 96 Steering bearings Check bearing assemblies for looseness Lubricate with specified grease Skis and front shock absorbers Lubricate with specified grease 102 Suspension compo nent Lubricate with specified grease 102 Drive track Check the deflection Adjust if necessary Initial at 500 km 300 mi and every 800 km 500 mi thereafter 98 Fittings and fast...

Страница 68: ... take your snowmobile to a Yamaha dealer to check the torque settings and adjust them if necessary RST90GT The owner s tool kit is located in the storage pouch See page 31 for information on how to access the storage compartment The service information included in this man ual and the tools provided in the owner s tool kit are intended to assist you in the perfor mance of preventive maintenance an...

Страница 69: ...d To remove the shroud Loosen the fasteners slowly raise the shroud and then unhook the shroud from the shroud stay To install the shroud Hook the end of the shroud onto the shroud stay slowly lower it to the original position and then tighten the fasteners Left and right side covers To remove a side cover 1 Remove the shroud See the above pro cedure 2 Loosen the fasteners pull outward on the area...

Страница 70: ...Top cover RS90GT RS90LTGT To remove the top cover 1 Remove the shroud and the left side cov er See the above procedures 2 Remove the plastic band that is holding the auxiliary DC lead and then discon nect the auxiliary DC jack coupler 3 Remove the screws and then remove the cable guide 4 Loosen the quick fastener screws 1 Fastener 2 Left side cover 1 2 1 Auxiliary DC jack coupler 1 Screw 2 Cable g...

Страница 71: ...le and wire harness through the cable guide place the cable guide in the original position and then install the screws 5 Connect the auxiliary DC jack coupler and then fasten the auxiliary DC jack lead with the plastic band 6 Install the left side cover and the shroud NOTICE ECS00372 Make sure that all cables hoses and leads are routed properly before install ing the shroud and covers When install...

Страница 72: ...s upward 5 Loosen the quick fastener screws 6 Lift up the rear of the top cover discon nect the main switch coupler and then remove the cover To install the top cover 1 Connect the main switch coupler 2 Place the top cover in the original posi tion making sure to fit the projections on the cover into the slots in the headlight unit 1 Auxiliary DC jack coupler 1 Handlebar cover 2 Quick fastener scr...

Страница 73: ...00810 Be sure the shroud and right side cover are secured before operation A loose shroud or cover could move and cause loss of control Shroud To open the shroud Unhook the shroud latches and then slowly raise the shroud forward until it stops To close the shroud Slowly lower the shroud to its original position and then hook the shroud latches Right side cover To remove the right side cover 1 Open...

Страница 74: ...nspection and possible repairs You should periodically remove and inspect the spark plugs because heat and deposits will cause any spark plug to slowly break down and erode Consult a Yamaha dealer before changing to a different type of spark plug WARNING EWS00710 Be sure to use the specified spark plug and spark plug cap Otherwise the T O R S may not work properly Spark plugs are produced in sever...

Страница 75: ...rew in or out to adjust the engine idling speed 5 Close the shroud ESU14071 Adjusting the throttle lever free play RS90GT RS90LTGT 1 Place the snowmobile on a level surface and apply the parking brake 2 Remove the shroud the left and right side covers and the top cover See page 63 for removal procedures 3 Remove the headlight unit bolt on each side of the snowmobile 4 Unhook the headlight unit as ...

Страница 76: ... case cover 10 Install the headlight unit bolts and then tighten them to the specified torque 11 Install the top cover the left and right side covers and the shroud RST90 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 1 Locknut 2 Throttle lever free play adjusting bolt 3 Throttle lever free pla...

Страница 77: ...lebar NOTICE Be careful not to scratch the snowmobile when mov ing the headlight unit ECS00920 5 Loosen the locknut 6 To increase the throttle lever free play turn the adjusting bolt in direction a To decrease the throttle lever free play turn the adjusting bolt in direction b 7 Tighten the locknut 8 Install the headlight unit making sure to fit the slots on its bottom onto the projec tions on its...

Страница 78: ...ff before checking the T O R S Make sure that the parking brake is ap plied Do not rev the engine 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 48 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...

Страница 79: ...h ride In addition snow may need to be cleaned during a ride depending on the riding conditions RS90GT RS90LTGT 1 Place the snowmobile on a level surface and apply the parking brake 2 Remove the shroud the left and right side covers and the top cover See page 63 for removal procedures 3 Remove the headlight unit bolt on each side of the snowmobile 4 Unhook the headlight unit as shown then lift it ...

Страница 80: ...ts on its bottom onto the projec tions on its stay 9 Fit the weatherstrip on the headlight unit into the recess in the top of the air filter case cover 10 Install the headlight unit bolts and then tighten them to the specified torque 11 Install the top cover the left and right side covers and the shroud RST90 1 Place the snowmobile on a level surface and apply the parking brake 2 Open the shroud 1...

Страница 81: ... all the fas teners 7 Close the shroud RST90GT 1 Place the snowmobile on a level surface and apply the parking brake 2 Remove the shroud and the top cover See page 63 for removal procedures 3 Remove the headlight unit bolt and the windshield stay bolts on each side of the snowmobile 4 Unhook the headlight unit as shown then lift it up and move it rearward away from the air filter case cover NOTICE...

Страница 82: ...e the air filter element frame in the original position and then install the air filter case cover by hooking the fasteners 8 Install the headlight unit making sure to fit the slots on its bottom onto the projec tions on its stay 9 Fit the weatherstrip on the headlight unit into the recess in the top of the air filter case cover 1 Headlight unit 1 Air filter case cover fastener 1 Air filter elemen...

Страница 83: ... air at higher altitude means there is less horsepower available even with the optimal air fuel ratio Expect acceleration and top speed to be reduced at higher altitudes To overcome operating with less power at high altitudes your snowmobile may also re quire different settings for the drive chain gears and V belt clutch to avoid poor perfor mance and rapid wear If you plan to operate your snowmob...

Страница 84: ... it off TIP The engine can also be warmed up by driv ing the snowmobile for 10 15 minutes After operating the snowmobile allow the engine to idle for at least 10 seconds before turning it off 3 Remove the shroud and the right side cover RS90GT RS90LTGT RST90GT or open the shroud RST90 See page 63 RS90GT RS90LTGT RST90GT or page 67 RST90 for the procedures 4 Disconnect the oil level gauge coupler N...

Страница 85: ...8 Connect the oil level gauge coupler 9 Install the right side cover and the shroud RS90GT RS90LTGT RST90GT or close the shroud RST90 To change the engine oil with or with out oil filter cartridge replacement 1 Place the snowmobile on a level surface and apply the parking brake 2 Start the engine warm it up for several minutes and then turn it off 3 Remove the shroud the right side cover and the t...

Страница 86: ...LTGT RST90GT RST90 8 Remove the oil filler cap and the cylinder head cap and then remove the engine oil drain bolt and its gasket to drain the oil from the oil tank RS90GT RS90LTGT RST90 1 Screw 2 Right lower cover 1 Bolt 2 Bottom panel 1 Oil level gauge coupler 2 Oil filler cap 1 2 2 1 2 1 1 Oil level gauge coupler 2 Oil filler cap 1 Cylinder head cap 1 Cylinder head cap 1 U8JA11E0 book Page 80 M...

Страница 87: ...according to local regu lations Skip steps 11 13 if the oil filter cartridge is not being replaced 11 Remove the oil filter cartridge with an oil filter wrench TIP An oil filter wrench is available at a Yamaha dealer 12 Apply a thin coat of engine oil to the O ring of the new oil filter cartridge 1 Cylinder head cap 1 Engine oil drain bolt oil tank 2 Gasket 1 Engine oil drain bolt oil tank 2 Gaske...

Страница 88: ...off 17 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 NOTICE When adding the en gine oil be careful not to fill above the H level mark on the dipstick Use only the recommended oil See page 122 Make sure that no foreign materi al enters the engine oil tank ECS00462 RS90GT RS90LTGT RST90GT RST90 1 O ring Tightening torqu...

Страница 89: ...ud RST90 ESU14202 Cooling system The coolant level should be checked before each ride In addition the cooling system must be bled at the intervals specified in the periodic maintenance and lubrication chart WARNING EWS00380 Do not remove the coolant reservoir cap when the engine is hot Scalding hot fluid and steam may be blown out under pres sure which could cause serious injury When the engine ha...

Страница 90: ...EL mark See the following section Replenishing the coolant for more details NOTICE If coolant is not available use distilled water or soft tap water instead Do not use hard wa ter or salt water since it is harmful to the engine If water has been used in stead of coolant replace it with cool ant as soon as possible otherwise the cooling system will not be protected against frost and corrosion If wa...

Страница 91: ...e the coolant reservoir cap fill the reservoir with the recommended coolant and then install the cap 4 Remove the coolant recovery tank cap add the recommended coolant until it reaches the COLD LEVEL mark and then install the cap 5 Start the engine allow it to idle for several minutes and then turn it off 6 Check for any coolant leakage If coolant is leaking check for the cause 1 Coolant recovery ...

Страница 92: ...er instead Do not use hard wa ter or salt water since it is harmful to the engine If water has been used in stead of coolant replace it with cool ant as soon as possible otherwise the cooling system will not be protected against frost and corrosion If water has been added to the coolant have a Yamaha dealer check the antifreeze content of the coolant as soon as pos sible otherwise the effectivenes...

Страница 93: ...leaking check for the cause TIP If you find any leaks consult a Yamaha deal er 6 Fill the coolant reservoir with coolant until it reaches the COLD LEVEL mark 7 Install the coolant reservoir cap 8 Install the top cover the right side cover and the shroud RST90GT or close the shroud RST90 1 COLD LEVEL mark 2 Coolant reservoir cap 1 COLD LEVEL mark 2 Coolant reservoir cap 2 1 Recommended antifreeze H...

Страница 94: ...ll the left side cover and the shroud RS90GT RS90LTGT RST90GT or close the shroud RST90 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 wea...

Страница 95: ...en measure the V belt position Do not force the V belt between the sheaves the secondary sliding and fixed sheaves must touch each other 8 If the V belt position is incorrect adjust it by removing or adding a spacer on each V belt position adjusting bolt 1 Screw 2 Left lower cover 1 Secondary sliding sheave 2 Secondary fixed sheave 1 V belt 1 2 1 Edge of the secondary sheave assembly 2 Standard V ...

Страница 96: ...er cover in the original position and then install the screws RS90GT RS90LTGT RST90GT 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 Add a spacer V belt position adjusting bolt tightenin...

Страница 97: ...S90LTGT RST90GT or page 67 RST90 for the procedures 3 Remove the dipstick wipe it off with a clean rag and then insert it back into the filler hole RS90GT RS90LTGT RST90GT RST90 4 Remove the dipstick and check that the oil is between the maximum and mini mum level marks on the REVERSE side of the dipstick If the oil is below the minimum level mark add sufficient oil of the recommended type to rais...

Страница 98: ...e specified torque 5 Install the right side cover and the shroud RS90GT RS90LTGT RST90GT or close the shroud RST90 ESU13932 Brake and parking brake WARNING EWS00440 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 dea...

Страница 99: ...the brake pads reach the wear limit ask a Yamaha dealer to replace them RS90GT RS90LTGT RST90 RST90GT 4 Install the right side cover and the shroud RS90GT RS90LTGT RST90GT or close the shroud RST90 Checking the parking brake pads Check the parking brake pads for wear ac cording to the following procedure 1 Remove the shroud and the right side cover RS90GT RS90LTGT RST90GT or open the shroud RST90 ...

Страница 100: ... in or out to adjust the cable length 5 Tighten the parking brake cable locknut 6 Turn the parking brake pad adjusting bolt in or out to adjust the clearance between the parking brake pads and the brake disc 7 Tighten the parking brake pad adjusting bolt locknut 1 Parking brake pad wear limit Parking brake pad wear limit 1 2 mm 0 047 in 1 Parking brake pad adjusting bolt locknut 2 Parking brake pa...

Страница 101: ...brake fluid and the fol lowing parts are replaced by a Yamaha dealer Brake fluid replacement is necessary when the following components are replaced during the periodic maintenance or if they are dam aged or leaking All oil seals of the master cylinder and cali per cylinder The brake hose ESU13612 Extrovert drive sprocket RS90GT RS90LTGT Check the extrovert drive sprocket for wear and damage Repla...

Страница 102: ...be fore measuring or aligning 3 If the alignment is not correct consult a Yamaha dealer ESU12164 Steering system Check the handlebar for excessive free play To check the handlebar 1 Push the handlebar up and down and back and forth 2 Turn the handlebar slightly to the right and left 1 Ski runner wear limit 1 Ski wear limit 2 Ski runner Ski runner wear limit RS90GT 6 0 mm 0 24 in RS90LTGT 6 0 mm 0 ...

Страница 103: ...osi tion NOTICE Make sure that the pro jection on the handlebar is not installed into the area shown ECS00571 4 Tighten the front handlebar bolts to the specified torque and then tighten the rear handlebar bolts to the specified torque NOTICE Make sure each han dlebar holder is installed so that the smaller gap is facing forward ECS00582 1 Handlebar cover 1 Handlebar bolt 1 Area where projection c...

Страница 104: ...e or support rods are broken Otherwise track dam age or failure could result in loss of braking ability and snowmobile control which could cause an accident Checking the drive track WARNING EWS00490 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 result in loss of braking ability and snowmobile control which coul...

Страница 105: ...rack Adjusting the drive track alignment and de flection RS90GT RS90LTGT 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 1 Slide runner 1 Spring scale 1 1 Drive track deflection 2 Slide runner Standard drive track deflection RS90GT 30 0 35 0 mm ...

Страница 106: ...e ground 9 Tighten the rear axle nut Adjusting the drive track alignment and de flection RST90 RST90GT 1 Loosen the rear axle nut Drive track alignment Shifted to right Shifted to left Left adjusting bolt Turn out Turn in Right adjust ing bolt Turn in Turn out 1 Left adjusting bolt 2 Right adjusting bolt 3 Locknut 1 Forward 2 Gap 3 Slide runner 4 Drive track 5 Slide metal 3 1 2 3 1 Forward 2 Gap 3...

Страница 107: ...TICE The right and left ad justing nuts should be turned an equal amount ECS00592 1 Rear axle nut 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 ...

Страница 108: ... the slide runners ESU12198 Lubrication Lubricate the following points with the speci fied grease WARNING 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 TIP For parts equipped with a grease nipple use a grease gun Rear axle nut tightening torque 75 Nm 7 5 m kgf 54 ft lbf 1 Slide runner 2 Wear ...

Страница 109: ...t bulb RS90GT RS90LTGT 1 Remove the top cover See page 63 for removal procedures 2 Remove the screws and then remove the headlight access panel 1 Grease nipple 1 Grease nipple 1 Grease nipple 1 1 1 Grease nipple 1 Grease nipple 1 Grease nipple 1 1 1 U8JA11E0 book Page 103 Monday June 14 2010 10 22 AM ...

Страница 110: ...ass is oil stained thoroughly 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 Install the headlight access panel and then install the screws 9 Install the top cover RST90 1 Open the shroud 2 Disconnect the headlight coupler 3 Remove the bulb holder cover 1 Screw 1 Screw 2 Headlight access panel 1 Head...

Страница 111: ...hen connect the headlight coupler 7 Close the shroud RST90GT 1 Remove the shroud and the top cover See page 63 for removal procedures 2 Remove the headlight unit bolt and the windshield stay bolts on each side of the snowmobile 3 Unhook the headlight unit as shown then lift it up and move it forward away from the handlebar NOTICE Be careful not to scratch the snowmobile when mov ing the headlight ...

Страница 112: ...thoroughly clean it with a cloth moistened with alcohol or lacquer thinner ECS00621 8 Install the bulb holder cover and then connect the headlight coupler 9 Install the headlight unit making sure to fit the slots on its bottom onto the projec tions on its stay 10 Fit the weatherstrip on the headlight unit into the recess in the top of the air filter case cover 1 Headlight unit 1 Headlight coupler ...

Страница 113: ...justing screw in direction a To raise the headlight beams turn the head light beam adjusting screw in direction b 3 Install the top cover RST90 1 Open the shroud 2 Insert a Phillips screwdriver into the hole under the shroud to turn the headlight beam adjusting screw To lower the headlight beams turn the Phillips screw driver in direction a To raise the head light beams turn the Phillips screwdriv...

Страница 114: ...ay Venti late when charging or using in an en closed space Always shield your eyes when working near batteries KEEP OUT OF THE REACH OF CHILDREN Charge or have a Yamaha dealer charge the battery as soon as possible if it seems to have discharged Keep in mind that the battery tends to discharge more quickly if the snow mobile is equipped with electrical accesso ries WARNING EWS00610 Never smoke aro...

Страница 115: ...ircuits is located behind the right side cover 1 Remove the shroud the left and right side covers and the top cover See page 63 for removal procedures 2 Remove the headlight unit bolt and the windshield stay bolts RST90GT on each side of the snowmobile RS90GT RS90LTGT RST90GT 3 Unhook the headlight unit as shown then lift it up and move it rearward away from the air filter case cover NOTICE Be car...

Страница 116: ...r head breather hose from the case and then remove the case 8 Unhook the battery band and then re move the battery cover 9 Disconnect the negative battery lead by removing the bolt 1 Air filter case fastener 2 Air temperature sensor coupler 1 Joint clamp bolt 1 Oil tank breather hose clamp 2 Oil tank breather hose 1 2 1 1 2 1 Cylinder head breather hose 2 ISC Idle Speed Control unit inlet hose 1 B...

Страница 117: ...ive battery lead 1 Spare fuse 2 Fuel injection system fuse 3 Main fuse 1 1 Fuse box 2 IGN ignition fuse 3 FAN radiator fan fuse 4 S H helmet shield heater jack fuse 5 HEAD headlight fuse 6 SIG signaling system fuse 7 DC auxiliary DC jack fuse 8 Spare fuse 2 3 4 5 6 7 8 1 U8JA11E0 book Page 111 Monday June 14 2010 10 22 AM ...

Страница 118: ...n fuse 3 S H helmet shield heater jack fuse 4 HEAD headlight fuse 5 SIG signaling system fuse 6 DC auxiliary DC jack fuse 7 Spare fuse 2 7 3 4 5 6 7 1 Specified fuses Main fuse 40 0 A Fuel injection system fuse 10 0 A Ignition fuse 15 0 A Radiator fan fuse RS90GT 5 0 A RS90LTGT 5 0 A Headlight fuse 20 0 A Signaling system fuse 7 5 A Auxiliary DC jack fuse 3 0 A Helmet shield heater jack fuse 3 0 A...

Страница 119: ...l circuits is located behind the right side cover 1 Open the shroud 2 Remove the right side cover See page 63 for removal procedures 3 Unhook the air filter case fastener 4 Loosen the joint clamp screws 5 Slide the oil tank breather hose clamp away from the air filter case and then dis connect the oil tank breather hose 6 Slide the crankcase breather hose clamp crankcase side up and then disconnec...

Страница 120: ...negative battery lead 9 Replace the blown fuse with one of the proper amperage 1 Crankcase breather hose clamp crankcase side 2 Crankcase breather hose 1 Crankcase breather hose clamp air filter case side 1 Main fuse 2 Spare main fuse 1 Fuse box 2 HEAD headlight fuse 3 SIG signaling system fuse 4 DC TERM auxiliary DC jack fuse 5 C W carburetor warmer fuse 6 IGN ignition fuse 7 Spare fuse 1 7 2 3 4...

Страница 121: ...kcase breather hose to the air filter case first and then connect it to the engine 12 Install the right side cover and 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 fus...

Страница 122: ...tem Poor spark or no spark Spark plugs are dirty with carbon or are wet Remove carbon or wipe spark plugs dry Replace if necessary Faulty ignition system Ask a Yamaha dealer to check T O R S malfunction Disconnect throttle switch connec tors and connect wire harness con nectors together to bypass T O R S WARNING Before bypassing the T O R S make sure that the throt tle returns properly to the full...

Страница 123: ...ompletely If the termi nals are exposed they could come into contact with the frame or a metal part of the snowmobile and this can cause elec trical system damage or A FIRE HAZ ARD NOTICE ECS00650 Use the connecting leads to jump start the snowmobile only Do not use the connect ing leads for any other purpose To start the engine using the booster battery 1 Apply the parking brake and turn the key ...

Страница 124: ...ed connecting lead and then pull the cover completely over the lead termi nal 13 Install the red connecting lead into the lead holder 14 Install the right side cover and the shroud RS90GT RS90LTGT RST90GT or close the shroud RST90 TIP Make sure that both the red connecting lead and the black connecting lead are seated securely in the lead holders Electric starter does not operate or operates slowl...

Страница 125: ...to slide metal due to lack of lubrica tion Tight loose or broken drive chain Ask a Yamaha dealer to check V belt twists Improper V belt Replace with correct V belt Incorrect V belt clutch offset Ask a Yamaha dealer to check Loose or broken engine mount s Ask a Yamaha dealer to check V belt slips or becomes extremely hot Oily or dirty V belt or primary and second ary sheave assembly surfaces Clean ...

Страница 126: ...ny 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 RS90GT RS90LTGT RST90GT Add Yamaha Fuel Stabili...

Страница 127: ...he drive track and block up the chas sis so that the track is suspended above the ground V belt Remove the V belt and store separately Storage Store the snowmobile in a dry well ventilated 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 c...

Страница 128: ...00 r min RST90GT 1250 1350 r min Engine oil Recommended grade API service SG type or higher JASO standard MA Recommended brand YAMALUBE Type SAE 0W 30 Carburetor Model quantity RST90 CVK40 3 Fuel injection ID mark RS90GT 8JA1 00 RS90LTGT 8JA1 00 RST90GT 8JA1 00 Fuel Type REGULAR UNLEADED GASOLINE ONLY Minimum pump octane R M 2 86 Starting system Electric starter Chassis Drive track Material Molded...

Страница 129: ... 41 US gal 7 83 Imp gal RS90LTGT 35 6 L 9 41 US gal 7 83 Imp gal RST90 39 3 L 10 38 US gal 8 65 Imp gal RST90GT 35 6 L 9 41 US gal 7 83 Imp gal Engine oil quantity With oil filter cartridge replacement RS90GT 3 3 L 3 49 US qt 2 90 Imp qt RS90LTGT 3 3 L 3 49 US qt 2 90 Imp qt RST90 3 0 L 3 17 US qt 2 64 Imp qt RST90GT 3 3 L 3 49 US qt 2 90 Imp qt Without oil filter cartridge replacement RS90GT 3 1 ...

Страница 130: ... indicator light RST90 14 V 80 mA 1 High beam indicator light RS90GT LED RS90LTGT LED RST90GT LED Warning light RS90GT LED RS90LTGT LED RST90GT LED Warning light RST90 14 V 80 mA 1 Low coolant temperature indicator light RS90GT LED RS90LTGT LED RST90GT LED Low coolant temperature indicator light RST90 14 V 80 mA 1 U8JA11E0 book Page 124 Monday June 14 2010 10 22 AM ...

Страница 131: ...e 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 RS90GT RS90LTGT RST90GT RST90 Key identification number The key identification number is stamped in the location as shown 1 Frame serial number 1 Engine serial number...

Страница 132: ... 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 Vehicle Emission Control Information label 1 Vehicle Emission Control Information label 1 1 1 U8JA11E0 book Page 126 Monday June 14 2010 10 22 AM ...

Страница 133: ... 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 a...

Страница 134: ...il 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 ...

Страница 135: ... 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 CHANG...

Страница 136: ...Consumer information 130 ESU12510 YAMAHA EXTENDED SERVICE Y E S U8JA11E0 book Page 130 Monday June 14 2010 10 22 AM ...

Страница 137: ...Headlight bulb replacing 103 Helmet shield heater jack RS90GT RS90LTGT RST90GT 25 High beam indicator light 16 High altitude settings 77 I Identification numbers 125 L Location of the important labels 1 Low coolant temperature indicator light 17 Lubrication 102 M Main switch 11 Multi function meter unit 13 O Oil level warning indicator 21 P Parking brake lever 26 Part locations 8 Passenger footres...

Страница 138: ...120 Storage areas RST90 33 Storage compartment 33 Storage compartment RS90GT RS90LTGT RST90GT 31 Suspension 37 T Throttle lever 11 Throttle lever free play adjusting 69 Throttle override system T O R S 12 Throttle override system T O R S checking 72 Tool kit 62 Tow hitch bracket RST90 RST90GT 35 Transporting 56 Troubleshooting 116 Two up 2 up adjusting blocks adjusting RST90 41 V Valve clearance 7...

Страница 139: ...U8JA11E0 book Page 3 Monday June 14 2010 10 22 AM ...

Страница 140: ...YAMAHA MOTOR CO LTD PRINTED ON RECYCLED PAPER PRINTED IN JAPAN 2010 06 0 7 1 CR ESU12520 DIC183 ...

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