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Yamaha RS90PB Owner's Manual - Control Functions

Manual is about: Yamaha RSVECTOR

Summary of RS90PB

  • Page 1

    Owner’s manual rs90pb rs90pltb rst90b rst90pgtb 8hv-28199-10 lit-12628-03-03 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. U8hv10e0.Book page 1 monday, may 16, 2011 1:15 pm.

  • Page 3: Introduction

    Introduction esu10121 congratulations on your purchase of a yamaha snowmobile. This model is the result of yamaha’s vast experience in the produc- tion of fine sporting and touring snowmobiles. It represents the high degree of craftsmanship and reliability that have made yamaha a lead- er in these f...

  • Page 4

    Important manual information esu10151 particularly important information is distin- guished in this manual by the following nota- tions. This is the safety alert symbol. It is used to alert you to potential personal injury haz- ards. Obey all safety messages that follow this symbol to avoid possible...

  • Page 5: Contents

    Contents location of the important labels ..... 1 safety information ............................ 6 description ........................................ 9 control functions ............................ 12 main switch .................................. 12 starter (choke) lever (rst90) ...... 12 throt...

  • Page 6: Contents

    Contents adjusting the engine idling speed (rst90) ..................................... 69 adjusting the throttle lever free play ............................................ 69 checking the throttle override system (t.O.R.S.) ..................... 72 checking the air filter ................... 73 ...

  • Page 7

    Location of the important labels 1 esu10216 read and understand all of the labels on your vehicle. They contain 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 av...

  • Page 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 rs90p / rs90plt rst90pgt rst90 u8hv10e0.Book page 2 monday, may 16, 2011 1:15 pm.

  • Page 9

    Location of the important labels 3 attention 8et-2815k-10 tune-up specifications engine 1.Spark plug 2.Spark plug gap 3.Idle speed specifications de la mise au point moteur 1.Type de bougie 2.Ecartement des Électrodes 3.RÉgime de ralenti cr8e(ngk) 0.7 ~ 0.8 mm (0.028 ~ 0.031 in) 1300 ± 50 r/min cr8e...

  • Page 10

    Location of the important labels 4 drive 1. Chain case oil q’ty 2. Chain case oil type 3. Track tension * for more info: see service manual for this model. * specifications subject to change without notice. EntraÎnement 1. CapacitÉ d’huile du carter de chaÎne 2. Type d’huile du carter de chaÎne 3. F...

  • Page 11

    Location of the important labels 5 20kg {44lbs} load limit / charge limite 8fm-24897-01 10kg {22lbs} load limit / charge limite 8et-24897-00 max. Towing force force de remorquage max. 1176 n (120 kgf), 264 lbf max. Vertical force force verticale max. 147 n (15 kgf), 33 lbf 8gs-2817s-e0 13 rs90plt 14...

  • Page 12: Safety Information

    Safety information 6 esu10193 as the vehicle’s owner, you are responsible for the safe and proper operation of your snowmobile. When you ride your snowmo- bile, you must know and use the following for your safety. Severe injury or death may result if you ignore any of the following. Before you opera...

  • Page 13: Safety Information

    Safety information 7 ● always ride with other snowmobilers when going on a ride. You may need help if you run out of fuel, have an accident, or damage your snowmobile. ● many surfaces such as ice and hardpacked snow require much longer stopping distanc- es. Be alert, plan ahead and begin deceler- at...

  • Page 14: Safety Information

    Safety information 8 clothes dryers, and the like. Allow the en- gine to cool off before storing the snowmo- bile in an enclosed space. U8hv10e0.Book page 8 monday, may 16, 2011 1:15 pm.

  • Page 15: Description

    Description 9 esu10261 1,2,3 4 5,6,7 8,9 10 11 12 13 1,2,3 rs90p rs90plt 4 5,6,7 8,9 10 11 12 13 1. Battery 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. Dri...

  • Page 16: Description

    Description 10 1,2,3 4 7 8 9 10,11,12 13 15 16 17 5,6 14 rst90pgt rst90 10,12 1,2,3,4 5,6 20 7 8 9 19 13 14 15 18 16 17 1. Battery 2. Main fuse 3. Air filter 4. Oil filler cap 5. Fuse box 6. Coolant reservoir 7. Passenger grip warmer switch 8. Passenger grip 9. Backrest 10. Storage compartment 11. S...

  • Page 17: Description

    Description 11 tip ● the snowmobile you have purchased may differ slightly from those shown in the figures of this manual. ● design and specifications are subjected to change without notice. 1 2 3 5 6 4 7 8 9 10 11 1 2 3 11 13 8 10 4 7 6 9 12 12 1 rs90p / rs90plt rst90pgt rst90 2 3 6 4 7 5 10 8 9 11...

  • Page 18: Control Functions

    Control functions 12 esu13740 main switch the main switch controls the ignition and lighting systems. The various positions are described below. Off the ignition circuit is switched off. The key can be removed only in this position. On the ignition circuit is switched on. Start the starting circuit ...

  • Page 19: Control Functions

    Control functions 13 esu13750 throttle override system (t.O.R.S.) warning ews00041 if the t.O.R.S. Is activated, make sure that the cause of the malfunction has been cor- rected and that the engine can be operated without a problem before restarting the engine. Continuing to operate with a mal- func...

  • Page 20: Control Functions

    Control functions 14 rst90 esu14101 multi-function meter unit rs90p / rs90plt / rst90pgt the multi-function meter unit is equipped with the following: ● a digital speedometer ● a tachometer ● an odometer ● two tripmeters (which show the distance traveled since they were last set to zero) ● a fuel re...

  • Page 21: Control Functions

    Control functions 15 odometer and tripmeter modes pushing the “select” button switches the display between the odometer mode “odo” and the tripmeter modes “trip a” and “trip b” in the following order: odo → trip a → trip b → odo if the fuel level warning indicator and warning light come on (see page...

  • Page 22: Control Functions

    Control functions 16 if the engine oil is changed before the oil change tripmeter appears in the display (i.E., before the periodic oil change interval has been reached), the tripmeter must be reset af- ter the oil change for the next periodic oil change to be indicated at the correct time. In that ...

  • Page 23: Control Functions

    Control functions 17 ● 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 engine trouble, coolant temperature, fuel level, and oil level warnings) ● indicator lights (which show high be...

  • Page 24: Control Functions

    Control functions 18 rs90p / rs90plt / rst90pgt rst90 esu13761 low coolant temperature indi- cator light “ ” the low coolant temperature indicator light comes on when the coolant temperature is low and informs the rider that the snowmobile should be warmed up. After the engine is started, warm it up...

  • Page 25: Control Functions

    Control functions 19 esu10426 fuel meter and grip/thumb warmer level indicator the fuel meter and grip/thumb warmer level indicator have eight segments which show the amount of fuel remaining in the fuel tank, the grip warmer level, or the thumb warmer level. Rs90p / rs90plt / rst90pgt rst90 fuel me...

  • Page 26: Control Functions

    Control functions 20 when the thumb warmer adjusting switch is pressed, the thumb warmer indicator comes on and the display switches to the thumb warmer level. See “grip/thumb warmer adjusting switch” on page 24 for detailed information. Rs90p / rs90plt / rst90pgt rst90 rs90p / rs90plt / rst90pgt rs...

  • Page 27: Control Functions

    Control functions 21 ● the top segment of the grip/thumb warmer level indicator flashes once when the grip/thumb warmer adjustment reaches the 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. ● ...

  • Page 28: Control Functions

    Control functions 22 if the oil level warning indicator and the warn- ing light do not go off, check the engine oil lev- el in the oil tank (see page 78 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...

  • Page 29: Control Functions

    Control functions 23 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 allow the engine to cool down, and then check the coolant level in the coolant...

  • Page 30: Control Functions

    Control functions 24 ate the engine longer than necessary if there is an error code to avoid possible en- gine damage. [ecs00820] rs90p / rs90plt / rst90pgt 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 ...

  • Page 31: Control Functions

    Control functions 25 rs90p / rs90plt / rst90pgt rst90 to raise the temperature to raise the temperature, press the respec- tive switch to “hi”. To lower the temperature to lower the temperature, press the respec- tive switch to “lo”. See “fuel meter and grip/thumb warmer level indicator” on page 19 ...

  • Page 32: Control Functions

    Control functions 26 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...

  • Page 33: Control Functions

    Control functions 27 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 snowmobile is placed on its side for service. Esu10581 parking brake...

  • Page 34: Control Functions

    Control functions 28 rst90 notice ecs00072 do not use the shift lever while the snow- mobile is moving, otherwise the drive train could be damaged. Esu14092 drive guard warning ews00402 ● coming in contact with the rotating v- belt or clutch parts can cause severe in- jury or death. Never run the en...

  • Page 35: Control Functions

    Control functions 29 the drive guard is designed to protect the v- belt clutch and v-belt in case parts break or come loose. The drive guard is located behind the left side cover (rs90p / rs90plt / rst90pgt), or under the shroud (rst90). [see page 63 (rs90p / rs90plt / rst90pgt) or page 67 (rst90) f...

  • Page 36: Control Functions

    Control functions 30 rs90p / rs90plt / rst90pgt rst90 notice ecs00180 make sure that the v-belt is installed se- curely in the holders. Esu13302 passenger grips (rst90pgt) the passenger grips can be installed in three different positions to suit the passenger’s preference. To change the passenger gr...

  • Page 37: Control Functions

    Control functions 31 rst90 rst90pgt esu14050 passenger footrests (rst90 / rst90pgt) the passenger footrests can be installed in two (rst90) or three (rst90pgt) different positions to suit the passenger’s preference. To change the position of a footrest, remove the screws, place the footrest in the d...

  • Page 38: Control Functions

    Control functions 32 rst90 rst90pgt rst90pgt to adjust the backrest position pull the backrest adjusting lever upward, and then move the backrest to the desired posi- tion. When riding without a passenger, the back- rest can be moved to the forward-most posi- tion, and its angle can be adjusted to s...

  • Page 39: Control Functions

    Control functions 33 to close the storage compartment fold the storage compartment cover down, and then turn the fastener to the original posi- tion. Rst90pgt this snowmobile is equipped with a storage compartment, which includes a storage pouch. Storage compartment notice ecs00900 the bottom of the...

  • Page 40: Control Functions

    Control functions 34 notice ecs00781 before starting the engine, make sure that the tool kit is securely fastened and that the storage pouch zipper is completely closed. Esu10823 storage areas (rst90) this snowmobile is equipped with a storage compartment, rear storage area, and rear car- rier. Stor...

  • Page 41: Control Functions

    Control functions 35 3. Remove the passenger seat lock knob, and then remove the passenger seat. 4. Align the holes in the rear carrier with the bolts on the carrier lock bracket, and then place the rear carrier on the carrier lock bracket. 5. Slide the rear carrier backward until it stops. 6. Pull ...

  • Page 42: Control Functions

    Control functions 36 3. Align the holes in the backrest bracket with the bolts on the carrier lock bracket, and then place the backrest on the carrier lock bracket. 4. Align the holes in the rear carrier with the bolts on the carrier lock bracket, and then place the rear carrier on the carrier lock ...

  • Page 43: Control Functions

    Control functions 37 esu10605 fuel warning ews00071 gasoline and gasoline vapors are ex- tremely flammable. To avoid fires and ex- plosions and to reduce the risk of injury when refueling, follow these instructions. Make sure there is sufficient gasoline in the tank. 1. Before refueling, turn off th...

  • Page 44: Control Functions

    Control functions 38 your yamaha engine has been designed to use regular unleaded gasoline with a pump octane number [(r+m)/2] of 86 or higher, or a research octane number of 91 or higher. Notice ecs00084 ● oxygenated fuels (gasohol) containing a maximum 10% of ethanol (e10) can be used, although ri...

  • Page 45: Control Functions

    Control functions 39 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 the spring preload and thereby soften the suspension, turn the adjusting nut in di- rection (b). Tip the spring preload setting is...

  • Page 46: Control Functions

    Control functions 40 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. 3. Tighten the locknut to the specified torque. Notice: always tig...

  • Page 47: Control Functions

    Control functions 41 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. 3. Tighten the locknut to the specified torque. Notice: always tig...

  • Page 48: Control Functions

    Control functions 42 2. Pull the lock pin and turn the special tools to change the block position. 3. Release the lock pin. 4. Remove the special tools from the 2-up adjusting block. Esu14310 adjusting the damping force of the rear shock absorber (rs90p / rs90plt / rst90pgt) rst90pgt the compression...

  • Page 49: Control Functions

    Control functions 43 esu11047 adjusting the control rods the weight transfer can be adjusted by turn- ing the adjuster on the control rod (rs90p / rs90plt) or the adjusting nuts on the control rods (rst90 / rst90pgt). Rs90p / rs90plt 1. Check the control rod length using the scale on the special wre...

  • Page 50: Control Functions

    Control functions 44 tip make sure that the special wrench is securely fitted on the locknut. Rst90 / rst90pgt warning ews00770 the left and right adjusting nuts must be set to the same position. Uneven settings can cause poor handling and loss of sta- bility. 1. Loosen the locknut while holding the...

  • Page 51: Control Functions

    Control functions 45 3. Tighten the locknut while holding the ad- justing nut in place. Notice: always tighten 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....

  • Page 52: Pre-Operation Checks

    Pre-operation checks 46 esu11071 inspect your vehicle each time you use it to make sure the vehicle is in safe operating condition. Always follow the inspection and maintenance procedures and schedules described in the owner’s manual. Warning ews00191 failure to inspect or maintain the vehicle prope...

  • Page 53: Pre-Operation Checks

    Pre-operation checks 47 drive track • check the deflection. • adjust if necessary. • check for wear and damage. • if necessary, have a yamaha dealer replace track. 98 slide runners • check for wear and damage. • if necessary, have yamaha dealer replace slide runners. 98 steering • check for excessiv...

  • Page 54: Operation

    Operation 48 esu13500 read the owner’s manual carefully to be- come familiar with all controls. If there is a control or function you do not understand, ask your yamaha dealer. Warning ews00201 failure to familiarize yourself with the con- trols can lead to loss of control, which could cause an acci...

  • Page 55: Operation

    Operation 49 4. Warm up the engine until it runs smooth- ly. 5. Be sure the low coolant temperature indi- cator light has gone out before operation. (see page 18 for detailed information about the indicator light.) rst90 1. Apply the parking brake. 2. Be sure the engine stop switch is in the run pos...

  • Page 56: Operation

    Operation 50 5. Warm up the engine, and then close the starter (choke) lever when the engine runs smoothly. 6. Be sure the low coolant temperature indi- cator light has gone out before operation. (see page 18 for detailed information about the indicator light.) esu11310 break-in there is never a mor...

  • Page 57: Operation

    Operation 51 pay particular attention to the safety informa- tion on page 6. Please read all warning and notice labels on your snowmobile. Also, read the snowmobil- er’s safety handbook that is supplied with your snowmobile. Learning to ride your snowmobile before you ride, always perform the pre-op...

  • Page 58: Operation

    Operation 52 er speeds or in tighter curves. Lean more as the turn gets sharper or is made at higher speeds. Improper riding techniques such as abrupt throttle changes, excessive braking, incorrect body movements, or too much speed for the sharpness of the turn may cause the snow- mobile to tip. If ...

  • Page 59: Operation

    Operation 53 traversing a slope warning ews00251 driving across the face of a slope (“side- hilling”) can lead to overturn or loss of control if proper techniques are not used. Follow these instructions to reduce your risk of an accident. Do not try steeper or more difficult inclines until you have ...

  • Page 60: Operation

    Operation 54 track, slide runners, and drive sprockets. Op- eration of the snowmobile on the following surfaces should be avoided at all times: ● dirt ● sand ● rocks ● grass ● bare pavement other surfaces that should be avoided for the sake of drive track and slide runner life are: ● glare ice surfa...

  • Page 61: Operation

    Operation 55 around the already weakened area. To mini- mize possible damage, consult your stud manufacturer for installation and stud pattern recommendations. Yamaha does not recommend track stud- ding. Esu11395 driving warning ews00300 be sure to read the “safety informa- tion” section on page 6 a...

  • Page 62: Operation

    Operation 56 tip the reverse buzzer beeps while the shift lever is in reverse. 2. While squeezing the brake lever, release the parking brake by moving the parking brake lever to the right, and then release the brake lever. 3. Squeeze the throttle lever slowly to start out. 4. Turn the handlebar in t...

  • Page 63: Operation

    Operation 57 ● if transporting the snowmobile in an open trailer or truck, put a tight fitting cover on the snowmobile. A cover specifically designed for your snowmobile is best. This will help keep foreign objects out of the cooling vents, and also help protect the snowmo- bile against damage from ...

  • Page 64

    Periodic maintenance and adjustment 58 esu11452 periodic inspection, adjustment, and lubrication will keep your snowmobile in the safest and most efficient condition possible. Safety is an obligation of the vehicle owner/operator. The most important points of vehicle inspection, adjustment, and lubr...

  • Page 65

    Periodic maintenance and adjustment 59 esu11461 periodic maintenance chart for the emission control system items marked with an asterisk should be performed by a yamaha dealer as they require special tools, data and technical skills. Item remarks initial every page 1 month or 800 km (500 mi) (40 hr)...

  • Page 66

    Periodic maintenance and adjustment 60 esu11564 general maintenance and lubrication chart item remarks initial every page 1 month or 800 km (500 mi) (40 hr) seasonally or 4000 km (2500 mi) (200 hr) engine oil • change (warm engine before draining). 78 * engine oil filter car- tridge • replace. Every...

  • Page 67

    Periodic maintenance and adjustment 61 tip brake system: ● after disassembling the master cylinder or caliper cylinder, always change the brake fluid. Regularly check the brake fluid level and add fluid if necessary. ● replace the oil seals of the master cylinder and caliper cylinder every two years...

  • Page 68

    Periodic maintenance and adjustment 62 esu14112 tool kit rs90p / rs90plt / rst90 the owner’s tool kit is located in the storage compartment. (see page 32 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...

  • Page 69

    Periodic maintenance and adjustment 63 tip if you do not have a torque wrench available during a service operation requiring one, take your snowmobile to a yamaha dealer to check the torque settings and adjust them if necessary. Esu14230 recommended equipment it is good practice to carry the spare p...

  • Page 70

    Periodic maintenance and adjustment 64 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 areas shown, and then slide the side cov- er forward to remove it. To install a side cover 1. Fit the projection on...

  • Page 71

    Periodic maintenance and adjustment 65 3. Remove the screws, and then remove the cable guide. 4. Loosen the quick fastener screws. 5. 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. Pl...

  • Page 72

    Periodic maintenance and adjustment 66 ● when installing the shroud and covers, be sure to tighten the fasteners secure- ly. Top cover (rst90pgt) to remove the top cover 1. Remove the shroud and the left side cov- er. (see the above procedures.) 2. Disconnect the auxiliary dc jack coupler. 3. Remove...

  • Page 73

    Periodic maintenance and adjustment 67 3. Tighten the quick fastener screws. 4. Place the windshield stay rubber covers in their original position. 5. Pass the brake hose, throttle cable, park- ing brake cable and wire harness through the cable guide, place the cable guide in the original position, ...

  • Page 74

    Periodic maintenance and adjustment 68 to install the right side cover 1. Place the right side cover in the original position, and then tighten the bolts and screws. 2. Close the shroud. Notice ecs01040 ● make sure that all cables, leads, and hoses are routed properly before clos- ing the shroud and...

  • Page 75

    Periodic maintenance and adjustment 69 when installing the spark plug, always clean the gasket surface. Wipe off any grime from the threads and tighten the spark plug to the specified torque. Notice ecs00382 make sure that the spark plug caps are se- curely installed. Otherwise the spark plug caps c...

  • Page 76

    Periodic maintenance and adjustment 70 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 ...

  • Page 77

    Periodic maintenance and adjustment 71 2. Open the shroud. 3. Loosen the locknut. 4. 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). 5. Tighten the locknut. 6. Close the shroud. Rs...

  • Page 78

    Periodic maintenance and adjustment 72 7. Tighten the locknut. 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. 10. Install the headligh...

  • Page 79

    Periodic maintenance and adjustment 73 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 t...

  • Page 80

    Periodic maintenance and adjustment 74 rs90p / rs90plt 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 snowmobi...

  • Page 81

    Periodic maintenance and adjustment 75 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. 10. Install the headlight unit bolts, and then t...

  • Page 82

    Periodic maintenance and adjustment 76 5. Place the air filter element frame in the original position. 6. Install the air filter case cover and attach the air filter case by hooking all the fas- teners. 7. Close the shroud. Rst90pgt 1. Place the snowmobile on a level surface and apply the parking br...

  • Page 83

    Periodic maintenance and adjustment 77 7. Place 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 weather...

  • Page 84

    Periodic maintenance and adjustment 78 remember: less 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 m...

  • Page 85

    Periodic maintenance and adjustment 79 3. Remove the shroud and the right side cover (rs90p / rs90plt / rst90pgt), or open the shroud (rst90). [see page 63 (rs90p / rs90plt / rst90pgt) or page 67 (rst90) for the procedures.] 4. Disconnect the oil level gauge coupler. Notice: disconnect the oil level...

  • Page 86

    Periodic maintenance and adjustment 80 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 123 for the recommend- ed oil.) notice: when adding the en- gine oil, be careful not to fill above the “h” level mark on ...

  • Page 87

    Periodic maintenance and adjustment 81 rs90p / rs90plt / rst90pgt 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. Rs90p / rs90plt rst90 rst90pgt rs90p / rs90plt / rst90pgt 1. Oil level gauge co...

  • Page 88

    Periodic maintenance and adjustment 82 rst90 9. Place an oil pan under the engine to col- lect the used oil. 10. Remove the engine oil drain bolt and its gasket to drain the oil from the crank- case. Tip ● a “ ” mark is stamped on the crankcase near the engine oil drain bolt for easy iden- tificatio...

  • Page 89

    Periodic maintenance and adjustment 83 15. 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. 16. Start the engine, warm it up for several minutes, and then turn it off. 17. Remove the oil fill...

  • Page 90

    Periodic maintenance and adjustment 84 the engine off and make sure that the en- gine oil drain bolts, the cylinder head cap, and the oil filler cap are installed correct- ly. 20. Turn the engine off, and then connect the oil level gauge coupler. Notice: if oil is leaking or the oil level warning in...

  • Page 91

    Periodic maintenance and adjustment 85 rst90pgt rs90p / rs90plt to check the coolant level 1. Place the snowmobile on a level surface and apply the parking brake. 2. Remove the top cover and the right side cover. (see page 63 for removal proce- dures.) 3. Check the coolant level in the coolant re- c...

  • Page 92

    Periodic maintenance and adjustment 86 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 ...

  • Page 93

    Periodic maintenance and adjustment 87 rst90 rst90pgt 4. Install the right side cover and the shroud (rst90pgt), or close the shroud (rst90). Bleeding the cooling system the cooling system must be bled if the cool- ant reservoir becomes empty, if air can be seen in the coolant reservoir, or if there...

  • Page 94

    Periodic maintenance and adjustment 88 rst90 rst90pgt 4. Start the engine and add coolant until the coolant level stabilizes, and then stop the engine. 5. Check for any coolant leakage. If coolant is leaking, check for the cause. Tip if you find any leaks, consult a yamaha deal- er. 6. Fill the cool...

  • Page 95

    Periodic maintenance and adjustment 89 3. Install the drive guard, and then install the left side cover and the shroud (rs90p / rs90plt / rst90pgt), 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. ...

  • Page 96

    Periodic maintenance and adjustment 90 6. Remove the v-belt from the secondary sheave assembly and primary sheave assembly. 7. Temporarily install the new v-belt on the secondary sheave assembly only, and then measure the v-belt position. Do not force the v-belt between the sheaves; the secondary sl...

  • Page 97

    Periodic maintenance and adjustment 91 9. Tighten the v-belt position adjusting bolts. 10. Install the v-belt over the primary sheave assembly. 11. Rotate the secondary sliding sheave clockwise and push it so that it separates from the secondary fixed sheave. 12. Install the v-belt between the secon...

  • Page 98

    Periodic maintenance and adjustment 92 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 raise it to the maximum level m...

  • Page 99

    Periodic maintenance and adjustment 93 4. While holding the chain tension adjusting bolt with a wrench, tighten the locknut to the specified torque. 5. Install the right side cover and the shroud (rs90p / rs90plt / rst90pgt), or close the shroud (rst90). Esu13934 brake and parking brake warning ews0...

  • Page 100

    Periodic maintenance and adjustment 94 1. Remove the shroud and the right side cover (rs90p / rs90plt / rst90pgt), or open the shroud (rst90). [see page 63 (rs90p / rs90plt / rst90pgt) or page 67 (rst90) for the procedures.] 2. Check the parking brake pads for wear by measuring the thickness of the ...

  • Page 101

    Periodic maintenance and adjustment 95 7. Tighten the parking brake pad adjusting bolt locknut. 8. Install the right side cover and the shroud (rs90p / rs90plt / rst90pgt), or close the shroud (rst90). Checking the brake fluid level before riding, check that the brake fluid is above the lower level....

  • Page 102

    Periodic maintenance and adjustment 96 to measure the drive sprocket wear measure the drive sprocket tooth width at the measuring line shown. If the tooth width is 13 mm (0.51 in) or less, replace the drive sprock- et. Esu12144 skis and ski runners check the skis and ski runners for wear and damage....

  • Page 103

    Periodic maintenance and adjustment 97 tip move the front tip of each ski fully inward 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 an...

  • Page 104

    Periodic maintenance and adjustment 98 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] 5. Install the handleba...

  • Page 105

    Periodic maintenance and adjustment 99 adjust or replace if necessary. (see the fol- lowing section for more details.) checking the drive track alignment 1. Lift the rear of the snowmobile onto a suit- able stand to raise the drive track off the ground. 2. Start the engine and rotate the drive track...

  • Page 106

    Periodic maintenance and adjustment 100 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. Loosen the locknut on the left and the right sides of the snowmobile, then ...

  • Page 107

    Periodic maintenance and adjustment 101 6. Tighten the locknuts to their specified torque. 7. Recheck alignment and deflection. If nec- essary, repeat steps 3 to 6 until the prop- er adjustment is achieved. 8. Lower the snowmobile to the ground. 9. Tighten the rear axle nut. Adjusting the drive trac...

  • Page 108

    Periodic maintenance and adjustment 102 shifted to left 5. Adjust the drive track deflection to speci- fication. Notice: the right and left ad- justing nuts should be turned an equal amount. [ecs00592] 6. Recheck alignment and deflection. If nec- essary, repeat steps 3 to 5 until the prop- er adjust...

  • Page 109

    Periodic maintenance and adjustment 103 rs90p rs90plt 1. Lubrication point 1. Throttle cable end 1. Grease nipple 1 1. Grease nipple 1. Grease nipple 1. Grease nipple 1 1 1 u8hv10e0.Book page 103 monday, may 16, 2011 1:15 pm.

  • Page 110

    Periodic maintenance and adjustment 104 rst90 rst90pgt esu14181 replacing a headlight bulb rs90p / rs90plt 1. Remove the top cover. (see page 63 for removal procedures.) 2. Remove the screws, and then remove the headlight access panel. 3. Disconnect the headlight coupler. 4. Remove the bulb holder c...

  • Page 111

    Periodic maintenance and adjustment 105 the glass part of the bulb or its life and illumination will be affected. If the glass is oil stained, thoroughly clean it with a cloth moistened with alcohol or lacquer thinner. [ecs00621] 7. Install the bulb holder cover, and then connect the headlight coupl...

  • Page 112

    Periodic maintenance and adjustment 106 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 unit. [ecs00920] 4. Disconnect the headlight coupler. 5. Remove the bulb holder co...

  • Page 113

    Periodic maintenance and adjustment 107 10. Fit the weatherstrip on the headlight unit into the recess in the top of the air filter case cover. 11. Install the headlight unit bolts and wind- shield stay bolts, and then tighten them to their specified torques. 12. Install the top cover and the shroud...

  • Page 114

    Periodic maintenance and adjustment 108 3. Close the shroud. Esu12290 fittings and fasteners check the tightness of the fittings and fasten- ers. Tighten in proper sequence and torque if nec- essary. Esu14020 battery the battery is located under the air filter case. (see page 109.) this model is equ...

  • Page 115

    Periodic maintenance and adjustment 109 esu14193 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 t...

  • Page 116

    Periodic maintenance and adjustment 110 5. Loosen the joint clamp bolts. 6. Slide the oil tank breather hose clamp away from the air filter case, and then dis- connect the oil tank breather hose. 7. Lift up the air filter case, disconnect the isc (idle speed control) unit inlet hose and cylinder hea...

  • Page 117

    Periodic maintenance and adjustment 111 10. Replace the blown fuse with one of the proper amperage. Rs90p / rs90plt 1. Negative battery lead 1. Spare fuse 2. Fuel injection system fuse 3. Main fuse 4. Eps fuse 1 1 2 3 4 1. Fuse box 2. “ign” (ignition) fuse 3. “fan” (radiator fan) fuse 4. “s/h” (helm...

  • Page 118

    Periodic maintenance and adjustment 112 rst90pgt 11. Connect the negative battery lead by in- stalling the bolt. 12. Install the battery cover, and then hook the battery band onto the holder. 13. Install the air filter case by reversing the removal steps 4–7. 14. Install the headlight unit, making s...

  • Page 119

    Periodic maintenance and adjustment 113 15. Fit the weatherstrip on the headlight unit into the recess in the top of the air filter case cover. 16. Install the headlight unit bolts and wind- shield stay bolts (rst90pgt), and then tighten them to their specified torques. 17. Install the top cover, th...

  • Page 120

    Periodic maintenance and adjustment 114 6. Slide the crankcase breather hose clamp (crankcase side) up, and then disconnect the crankcase breather hose from the en- gine. 7. Lift up the air filter case, slide the crank- case breather hose clamp (air filter case side) down, disconnect the crankcase b...

  • Page 121

    Periodic maintenance and adjustment 115 10. Connect the negative battery lead. 11. Install the air filter case by reversing the removal steps 3–7. Notice: be sure to connect the breather hoses securely when installing the air filter case. [ecs00641] tip when installing the air filter case, connect t...

  • Page 122: Troubleshooting

    Troubleshooting 116 esu14163 engine turns over but does not start 1. Fuel system ● no fuel supplied to combustion cham- ber • no fuel in tank: supply fuel. ↓ • clogged fuel line: clean fuel line. ↓ • clogged injector (rs90p / rs90plt / rst90pgt): ask a yamaha dealer to check. • clogged carburetor (r...

  • Page 123: Troubleshooting

    Troubleshooting 117 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 check. Discharged battery if the battery is discharged, the engine can be started using a...

  • Page 124: Troubleshooting

    Troubleshooting 118 4. Pull the red (+) connecting lead cover to expose the terminal through the slit in the cover, and then connect the red (+) jump- er cable to the red (+) connecting lead. 5. Connect the other end of the red (+) jumper cable to the positive (+) terminal of the booster battery. 6....

  • Page 125: Troubleshooting

    Troubleshooting 119 ● seized engine: seizure is caused by poor lubrication, inadequate fuel, or an air leak. Ask a yamaha dealer to check. ● rst90: “hydrostatic lock” occurs when fuel has filled cylinders during transportation of vehicle: remove spark plugs and turn en- gine over several times with ...

  • Page 126: Troubleshooting

    Troubleshooting 120 ● worn or damaged drive track: ask a yamaha dealer to check. U8hv10e0.Book page 120 monday, may 16, 2011 1:15 pm.

  • Page 127: Storage

    Storage 121 esu13940 long-term storage requires some preventive procedures to guard against deterioration. Cleaning thoroughly clean the snowmobile, inside and out, to remove the corrosive salts and acids that can accumulate. Use yamaha mud, grease, and engine cleaner, or an equivalent product, to l...

  • Page 128: Storage

    Storage 122 od is to remove the intake silencer (rs90p / rs90plt / rst90pgt) or air filter case (rst90), and squirt oil into the throttle bodies (rs90p / rs90plt / rst90pgt) or carbure- tor throats (rst90) while the engine is run- ning. Notice: do not simply start the engine when in storage, startin...

  • Page 129: Specifications

    Specifications 123 esu1246c dimensions: overall length: rs90p 2815 mm (110.8 in) rs90plt 3015 mm (118.7 in) rst90 3135 mm (123.4 in) rst90pgt 3195 mm (125.8 in) overall width: rs90p 1200 mm (47.2 in) rs90plt 1200 mm (47.2 in) rst90 1225 mm (48.2 in) rst90pgt 1200 mm (47.2 in) overall height: rs90p 1...

  • Page 130: Specifications

    Specifications 124 overall reduction ratio: rs90p 6.02–1.58 : 1 rs90plt 6.18–1.63 : 1 rst90 6.74–1.77 : 1 rst90pgt 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.): rs90p 31...

  • Page 131: Specifications

    Specifications 125 tail/brake light: rs90p led rs90plt led rst90pgt led meter lighting: rst90 14 v, 50 ma × 6 meter lighting: rs90p led rs90plt led rst90pgt led high beam indicator light: rst90 14 v, 80 ma × 1 high beam indicator light: rs90p led rs90plt led rst90pgt led warning light: rs90p led rs9...

  • Page 132: Consumer Information

    Consumer information 126 esu12481 identification number records record the frame serial number, engine serial number (primary id), and key identification number in the spaces provided for assistance when ordering spare parts from a yamaha dealer. Also, record and keep the id numbers in a separate pl...

  • Page 133: Consumer Information

    Consumer information 127 esu13461 vehicle emission control infor- mation label rs90p / rs90plt rst90 rst90pgt the vehicle emission 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, st...

  • Page 134: Consumer Information

    Consumer information 128 esu12500 yamaha motor corporation, u.S.A. Snowmobile limit- ed warranty yamaha motor corporation, u.S.A. Hereby warrants that new yamaha snowmobiles purchased from an autho- rized yamaha snowmobile dealer in the continental united states will be free from defects in material...

  • Page 135: Consumer Information

    Consumer information 129 yamaha motor corporation, u.S.A. Makes no other warranty of any kind, expressed or implied. All implied war- ranties of merchantability and fit- ness for a particular purpose which exceed the obligations and time lim- its stated in this warranty are hereby disclaimed by yama...

  • Page 136: Consumer Information

    Consumer information 130 q. What responsibility does my dealer have under this warranty? A. Each yamaha snowmobile dealer is expected to: 1. Completely set up every new machine before sale. 2. Explain the operation, maintenance, and warranty requirements to your satisfaction at the time of sale, and...

  • Page 137: Consumer Information

    Consumer information 131 esu12511 yamaha extended service (y.E.S.) u8hv10e0.Book page 131 monday, may 16, 2011 1:15 pm.

  • Page 138: Index

    Index a air filter, checking..................................... 73 auxiliary dc jack ...................................... 25 b backrest (rst90 / rst90pgt) ............... 31 battery.................................................... 108 brake and parking brake .......................... 93 brak...

  • Page 139: Index

    Index shroud and right side cover, opening and closing, removing and installing (rst90) .......... 67 skis and ski runners................................. 96 spark plugs, checking .............................. 68 specifications ......................................... 123 starter (choke) lever (r...

  • Page 140

    U8hv10e0.Book page 3 monday, may 16, 2011 1:15 pm.

  • Page 141

    Esu14240 for your best ownership experience, think genuine yamaha! Genuine yamaha parts – genuine yamaha replacement parts are the exact same parts as the ones originally equipped on your vehicle, providing you with the performance and durability you have come to expect. Why settle for aftermarket p...

  • Page 142

    Printed in japan 2011.05-0.8 ×1 cr dic183 printed on recycled paper esu12520