1. DL manuals
  2. Yamaha
  3. Snowmobiles
  4. RS90GTL
  5. Owner's Manual

Yamaha RS90GTL Owner's Manual

Other manuals for RS90GTL: Suplementary Service Manual

Summary of RS90GTL

  • Page 1

    Owner’s manual snowmobile rs90nl rs90rl/rs90nrl rs90ml rs90gtl rsg90l 8gg-28199-11 lit-12628-02-50 printed on recycled paper printed in japan 2005.08-1.0 ×1 cr (e) yamaha motor co., ltd..

  • Page 3: Machine Identification

    Esu00286 1- machine identification identification number records a. Frame number: cz-01e b. Engine number (primary id): cz-01e c. Key number: cz-01e record the frame number, engine number (primary id), and key number in the spaces provided for assistance when ordering spare parts from a yamaha deale...

  • Page 4: Introduction

    Esu00011 2- introduction congratulations on your purchase of a yamaha snowmo- bile. This model is the result of yamaha’s vast experience in the production of fine sporting and touring snowmo- biles. It represents the high degree of craftsmanship and reliability that have made yamaha a leader in thes...

  • Page 5: Warning

    Warning @ please read and understand this manual completely before operating the snowmo- bile. @ note: @ ● yamaha continually seeks advancements in product design and quality. Therefore, while this manual con- tains the most current product information available at the time of printing, there may be...

  • Page 6: Contents

    Esu00003 contents yamaha motor corporation, u.S.A. Snowmobile limited warranty .......................................1-1 yamaha extended service (y.E.S.) ...............................................1-4 location of the important labels .......................2-1 safety information ..................

  • Page 7

    Riding downhill ................................7-5 traversing a slope ...........................7-5 ice or icy surface .............................7-5 hard-packed snow...........................7-6 operation on surfaces other than snow or ice ......................................7-6 maximizing d...

  • Page 8

    1-1 esu05070 1- yamaha motor corporation, u.S.A. Snowmobile limited warranty cw-07e 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 and workman-...

  • Page 9

    1-2 cw-08e 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 yamaha motor corpo...

  • Page 10

    1-3 cw-09e 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 upon your req...

  • Page 11

    1-4 esu04280 yamaha extended service (y.E.S.) cw-06e u8gg10.Book page 4 thursday, april 28, 2005 5:43 pm.

  • Page 12: Location of The Important

    2-1 esu04050 2- location of the important labels please read the following labels carefully before operat- ing this snowmobile. Note: @ maintain or replace safety and instruction labels, as nec- essary. @ 1 rs90n/rs90m 1 rs90r/rs90nr/rs90gt/rsg90 2 8ek-77761-e0 8fb-77761-e0 e_8gg_label.Fm page 1 tue...

  • Page 13

    2-2 3 4 5 5 rs90gt 6 rs90m 7 rs90m 8es-14488-00 caution attention severe engine damage can result from oil loss if crankcase breather hoses are not installed correctly. Inspect hoses and clamps for correct installation after battery service or air box removal. See service manual. Des dommages graves...

  • Page 14

    2-3 8 rs90m/rsg90 e_8gg_label.Fm page 3 tuesday, may 10, 2005 9:26 am.

  • Page 15

    2-4 note: @ the following suspension adjustment charts are included with the owner’s manual. @ rs90m rs90r/rs90gt/rsg90 u8gg10.Book page 4 thursday, april 28, 2005 5:43 pm.

  • Page 16: Safety Information

    3-1 esu00008 3- safety information when you ride your snowmobile, you must know and use the following for your safety. Severe injury or death may result if you ignore any of the following. Before operating 1. Read the owner’s manual and all labels before oper- ating this snowmobile. Become familiar ...

  • Page 17

    3-2 7. Do not allow anyone to stand behind the snowmobile when starting, inspecting, or adjusting the snowmo- bile. A broken track, track fittings, or debris thrown by the track could be dangerous to the operator or bystanders. 8. Handle fuel with care; it is highly flammable. ● never add fuel when ...

  • Page 18

    3-3 3. This snowmobile is not designed for use on surfaces other than snow or ice. Use on dirt, sand, grass, rocks, or bare pavement may cause loss of control and may damage the snowmobile. 4. Avoid operating on glare ice, or on snow which has a lot of dirt or sand mixed in. Operation under such con...

  • Page 19: Description

    4-1 esu00012 4- description rs90n/rs90nr rs90m rsg90 rs90r/rs90gt u8gg10.Book page 1 thursday, april 28, 2005 5:43 pm.

  • Page 20

    4-2 1 windshield 2 steering handlebar 3 seat 4 frame 5 storage compartment 6 slide rail suspension 7 rear suspension damping force remote adjustment dial (rs90r/rs90gt/rsg90) 8 drive track 9 skis 0 headlights a shroud b strap (rs90m) c tail/brake lights d snow flap e brake lever f parking brake leve...

  • Page 21: Control Functions

    5-1 esu00013 5- control functions esu00362 main switch the main switch controls the following items. 1 “off” the ignition circuit is switched off. The key can be removed only in this position. 2 “on” the ignition circuit is switched on. 3 “start” the starting circuit is switched on. The starter moto...

  • Page 22: Warning

    5-2 esu00201 starter lever (choke) use the starter lever (choke) when starting and warming up a cold engine. 1 starter lever (choke) 2 when starting a cold engine. 3 warming up 4 when the engine is warm. Note: @ refer the “starting the engine” section for proper opera- tion. @ esu00022 throttle leve...

  • Page 23: Warning

    5-3 esu04151 throttle override system (t.O.R.S.) if the carburetor or throttle cable should malfunction dur- ing operation, the t.O.R.S. Will operate when the throttle lever is released. The t.O.R.S. Is designed to interrupt the ignition and keep the engine speed between 2,800 and 3,000 r/min if the...

  • Page 24

    5-4 esu04160 speedometer unit the speedometer unit is equipped with the following: ● a digital speedometer (which shows riding speed) ● an odometer (which shows the total distance trav- eled) ● a tripmeter (which shows the distance traveled since it was last set to zero) ● warning indicators (which ...

  • Page 25

    5-5 esu03821 fuel meter and grip/thumb warmer level indica- tor the fuel meter and grip/thumb warmer level indicator have eight segments 1 which show the amount of fuel remaining in the fuel tank, the grip warmer level, or the thumb warmer level. Fuel meter as the fuel level decreases in the fuel ta...

  • Page 26

    5-6 esu04260 fuel level warning indicator the fuel level warning indicator indicates a malfunction- ing sensor, disconnected coupler, broken lead, or short circuit when detected by the self-diagnosis device of the snowmobile. The fuel level warning indicator 1, warning light 2, and all segments of t...

  • Page 27: Caution:

    5-7 esu04180 coolant temperature warning indicator if the engine overheats, the coolant temperature warning indicator 1 and the warning light 2 come on. When this occurs, stop the engine immediately and allow the engine to cool down, and then check the coolant level in the coolant reservoir. (see pa...

  • Page 28: Caution:

    5-8 esu00031 engine stop switch the engine stop switch 1 is used to stop the engine in an emergency. Simply push 2 the stop switch to stop the engine. To start the engine, pull 3 the stop switch and proceed with starting the engine. (see page 7-1 for more details.) during the first few rides, practi...

  • Page 29: Warning

    5-9 esu00035 parking brake lever when parking the snowmobile or starting the engine, apply the parking brake by moving the brake lever 1 to the left. To release the parking brake, move the parking brake lever 1 to the right. È to apply the parking brake É to release the parking brake warning @ ● alw...

  • Page 30: Caution:

    5-10 esu00039 headlight beam switch push the headlight beam switch to change the headlight beam to high or low. 1 headlight beam switch 2 push 3 high beam 4 low beam esu04301 auxiliary dc jack for rs90gt the auxiliary dc jack is located in the front panel and can be used for accessories. Note: @ the...

  • Page 31: Caution:

    5-11 esu00481 shroud latches to open the shroud, unhook the shroud latches, and then slowly raise the shroud forward until it stops. When clos- ing the shroud, slowly lower it to its home position, and then hook the shroud latches. 1 shroud latch 2 shroud caution: @ make sure that all cables and wir...

  • Page 32: Caution:

    5-12 esu04080 carburetor coolant shut-off lever for rs90m the carburetor coolant shut-off lever controls the flow of coolant through the carburetor. Make sure that the lever is in the “on” position to allow the coolant to flow and warm the carburetor while the ambient temperature is below 0 °c (32 °...

  • Page 33: Pre-Operation Checks

    6-1 esu00072 6- pre-operation checks note: @ pre-operation checks should be made each time the snowmobile is used. @ warning @ the engine and muffler will be very hot after the engine has been run. Avoid touching the engine and muffler while they are still hot with any part of your body or clothing ...

  • Page 34: Caution:

    6-2 caution: @ ● oxygenated fuels (gasohol) containing a maxi- mum 5% of ethanol can be used, although richer jetting may be required to prevent engine dam- age. Consult a yamaha dealer. Gasohol contain- ing methanol is not recommended. ● make sure that snow or ice does not enter the fuel tank when ...

  • Page 35: Caution:

    6-3 esu03441 engine oil level the engine oil level should be checked before each use. Caution: @ do not run the engine with too much or not enough oil in the oil tank. Oil could flow into the air filter case and the engine could be damaged. @ checking the engine oil level 1. Place the snowmobile on ...

  • Page 36: Warning

    6-4 6. Insert the oil level gauge/dipstick into the oil filler hole, and then tighten it securely. 7. Connect the oil level gauge coupler. Esu00086 coolant check the coolant level in the coolant reservoir when the engine is cold. If the coolant level is below the “cold level” mark, add soft water un...

  • Page 37: Warning

    6-5 esu00087 throttle lever check the throttle lever operation before starting the engine. The throttle lever must open smoothly and spring back to its home position when released. Esu00090 throttle override system (t.O.R.S.) check the t.O.R.S. For proper operation. Warning @ when checking t.O.R.S.:...

  • Page 38: Warning

    6-6 esu00091 brake 1. Brake lever test the brake at a low speed when starting out to make sure that it is working properly. If the brake does not provide proper braking performance, inspect the brake for wear or brake fluid leakage. (see pages 8-18–8-19 for more details.) warning @ ● a soft, spongy ...

  • Page 39: Warning

    6-7 esu00093 brake fluid leakage apply the brake for a few minutes. Check to see if any brake fluid leaks out from the brake hose joints or the master cylinder. Warning @ if brake fluid leakage is found, ask a yamaha dealer for immediate repairs. @ caution: @ brake fluid may deteriorate painted surf...

  • Page 40: Warning

    6-8 esu00097 drive track check the drive track for deflection, wear, or damage. Adjust or replace if necessary. (see pages 8-29–8-31 for more details.) warning @ do not operate the snowmobile if you find damage to the drive track, or if it has been maladjusted. Drive track damage or failure could re...

  • Page 41: Caution:

    6-9 esu00982 slide runners check the slide runners for wear and damage. If the slide runners reach the wear limit, they should be replaced. 1 slide runners a wear limit caution: @ ride on fresh snow frequently. Operating on ice or hard packed snow will rapidly wear the slide runners. @ esu03201 skis...

  • Page 42: Caution:

    6-10 esu00103 steering system check the handlebar for excessive free play: 1. Push the handlebar up and down and back and forth. 2. Turn the handlebar slightly to the right and left. If excessive free play is noticed, consult a yamaha dealer. Esu00378 lights check the lights. Replace any burned out ...

  • Page 43

    6-11 esu00110 fittings and fasteners check the tightness of the fittings and fasteners. Tighten in proper sequence and torque if necessary. Esu00345 tool kit and recommended equipment it is good practice to carry the tool kit, spare parts, and other necessary equipment with you while riding the snow...

  • Page 44: Operation

    7-1 esu00112 7- operation esu00366 starting the engine warning @ ● be sure to check the “safety information” section carefully before starting the engine. ● make sure that the parking brake is applied. @ note: @ make sure that the engine stop switch is in the on posi- tion. The starter motor cannot ...

  • Page 45: Caution:

    7-2 esu00380 break-in there is never a more important period in the life of your engine than the period between 0 and 500 km (300 mi). For this reason, you should read the following material carefully. Since the engine is brand new, do not put an excessive load on it for the first 500 km (300 mi). T...

  • Page 46: Warning

    7-3 esu01272 riding your snowmobile getting to know your snowmobile a snowmobile is a rider active vehicle, and your riding position and your balance are the two basic factors of maneuvering your snowmobile. Riding your snowmobile requires skills acquired through practice over a period of time. Take...

  • Page 47: Warning

    7-4 turning for most snow surfaces, “body english” is the key to turning. As you approach a curve, slow down and begin to turn the handlebar in the desired direction. As you do so, put your weight on the running board to the inside of the turn and lean your upper body into the turn. This procedure s...

  • Page 48: Warning

    7-5 riding downhill when riding downhill, keep speed to a min- imum. It is important to apply just enough throttle to keep the clutch engaged while descending the hill. This will allow you to use engine compression to help slow the snowmobile, and to keep the snowmobile from rolling freely down the ...

  • Page 49: Warning

    7-6 hard-packed snow it can be more difficult to negotiate on hard-packed snow as both the skis and drive track do not have as much traction as when the snowmobile is operated on fresh snow. Avoid rapid acceleration, turning, and braking. Operation on surfaces other than snow or ice operation of you...

  • Page 50

    7-7 esu00251 maximizing drive track life recommendations track tension during initial break-in, the new drive track will tend to stretch quickly as the track settles. Be sure to correct the track tension and alignment frequently. (see pages 8-29–8-31 for adjustment procedures.) a loose track can sli...

  • Page 51: Warning

    7-8 esu00245 strap for rs90m the strap 1 should be used only by experienced opera- tors to assist them when traverse (side-hill) riding. Warning @ improper use of the strap on the handlebar can result in severe injury or death. ● use the strap only as an operator grip point when needed to shift weig...

  • Page 52: Warning

    7-9 esu00347 driving warning @ be sure to read the “safety information” and “riding your snowmobile” sections carefully before operating the snowmobile. @ note: @ make sure that the engine is warmed up enough before riding. @ for rs90n/rs90m 1. Release the parking brake by moving the parking brake l...

  • Page 53: Caution:

    7-10 caution: @ do not shift from “fwd” to “rev” or from “rev” to “fwd” while the snowmobile is moving. Otherwise, the drive system could be damaged. @ note: @ the reverse buzzer beeps while the shift lever is in reverse. @ 2. Release the parking brake by moving the parking brake lever to the right....

  • Page 54

    7-11 esu00367 transporting when transporting your snowmobile on a trailer or in a truck, observe the following recommendations to help protect it from damage: ● make sure that the fuel level in the fuel tank is lower than the bottom of the carburetors. Otherwise, the vibration and bumps from the roa...

  • Page 55: Periodic Maintenance

    8-1 esu04960 8- periodic maintenance safety is an obligation of the owner. Periodic inspection, adjustment, and lubrication will keep your snowmobile in the safest and most efficient condition possible. The most impor- tant points of snowmobile inspection, adjustment, and lubrication are explained o...

  • Page 56

    8-2 esu04980 general maintenance and lubrication chart cd-32e ∗ fuel line check fuel hose for cracks or damage. Replace if necessary. ● ∗ idle speed check and adjust engine idle speed. ● ● 8-7 ∗ carburetors adjust the jets. Whenever operating condition (elevation/temperature) is changed. Adjust sync...

  • Page 57

    8-3 drive guard check for cracks, bends or damage. ∗ replace if necessary. ● 5-11, 6-7 v-belt check for wear and damage. Replace if necessary. ● 6-7, 8-14–8-16 drive track and idler wheels check deflection, and for wear and damage. ∗ adjust/replace if necessary. ● 6-8, 8-29–8-31 slide runners check ...

  • Page 58

    8-4 note: @ 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. ● replace the brake hose ever...

  • Page 59: Caution:

    8-5 esu03761 tool kit the owner’s tool kit has the tools which are sufficient for most periodic maintenance and minor repairs. A torque wrench is also necessary to properly tighten nuts and bolts. 1 tool kit È rs90n/rs90nr/rs90m É rs90r/rs90gt/rsg90 caution: @ before starting the engine, make sure t...

  • Page 60: Caution:

    8-6 spark plugs are produced in several different thread lengths. The thread length or reach is the distance from the spark plug gasket seat to the end of the threaded portion. If the reach is too long, overheating and engine damage may result. If the reach is too short, spark plug fouling and poor ...

  • Page 61: Caution:

    8-7 esu03701 adjusting the engine idling speed caution: @ ● be sure to have a yamaha dealer make this adjustment. ● make sure that the throttle lever moves smoothly. ● make sure that the carburetor is synchronized first. @ 1. Start the engine and warm it up. Note: @ refer to the “starting the engine...

  • Page 62: Caution:

    8-8 esu04860 adjusting the high-altitude settings operating at high altitude reduces the performance of a gasoline engine about 3% for every 305 m (1,000 ft) of elevation. This is because there is less air as altitude increases. Less air means less oxygen available for com- bustion. Your snowmobile ...

  • Page 63: Warning

    8-9 esu04201 changing the engine oil it is recommended to have a yamaha dealer change the engine oil. Warning @ engine oil is extremely hot immediately after the engine is turned off. Coming into contact with or get- ting any engine oil on your clothes could result in burns. @ caution: @ ● do not ru...

  • Page 64

    8-10 7. Remove the oil filter cartridge 9 with an oil filter wrench. Note: @ an oil filter wrench is available at a yamaha dealer. @ 8. Apply a thin coat of engine oil to the o-ring of the new oil filter cartridge. 9. Install the new oil filter cartridge with an oil filter wrench, and then tighten i...

  • Page 65: Caution:

    8-11 13. Add sufficient oil of the recommended type to raise it to the “f” level mark on the oil level gauge/dipstick. (see page 6-3 for the checking procedure.) caution: @ ● when adding the engine oil, be careful not to fill above the “f” level mark on the oil level gauge/ dipstick. ● make sure tha...

  • Page 66: Warning

    8-12 esu03173 cooling system bleeding the cooling system warning @ ● do not remove the coolant reservoir cap when the engine is hot. Scalding hot fluid and steam may be blown out under pressure, which could cause serious injury. When the engine has cooled, place a thick rag or towel over the coolant...

  • Page 67

    8-13 1 “cold level” mark 2 coolant reservoir cap 2. Start the engine and add coolant until the coolant level does not go down, and then stop the engine. 3. Fill the coolant reservoir with coolant until it reaches the “cold level” mark. 4. Install the coolant reservoir cap. Check for any cool- ant le...

  • Page 68: Warning

    8-14 esu01661 replacing the v-belt warning @ when installing the new v-belt, make sure it is posi- tioned from 1.5 mm (0.06 in) above the edge of the secondary sheave assembly to 0.5 mm (0.02 in) below the edge a. If not, the v-belt clutch engagement speed will be changed. The snowmobile may move un...

  • Page 69

    8-15 3. Pull 3 the v-belt up over the secondary fixed sheave. 4. Remove the v-belt from the secondary sheave assembly and primary sheave assembly. 5. Put the new v-belt back on the secondary sheave assembly only. Do not force the v-belt between the sheaves; the secondary sliding and fixed sheaves mu...

  • Page 70: Warning

    8-16 8. Install the v-belt over the primary sheave assembly. 9. Rotate the secondary sliding sheave clockwise 6 and push 7 it so that it separates from the secondary fixed sheave. 10. Install the v-belt 8 between the secondary sliding and secondary fixed sheaves. 11. Install the drive guard. Warning...

  • Page 71: Caution:

    8-17 3. Remove the dipstick and check that the oil is between the maximum and minimum level marks. If the oil is below the minimum level mark, add sufficient oil to raise it to the maximum level mark. 2 maximum level mark 3 minimum level mark È for models without reverse transmissions (rs90n/rs90m) ...

  • Page 72: Warning

    8-18 esu00174 checking the brake pads check the brake pads for wear. If the brake pads reach the wear limit, ask a yamaha dealer to replace them. 1 brake pad wear indicator esu00352 checking the parking brake pads check the parking brake pads for wear by measuring the thickness of the pads. If the p...

  • Page 73: Warning

    8-19 esu00180 checking the brake fluid level place the snowmobile on a level surface. Check that the brake fluid is above the lower level and replenish when necessary. 1 lower level warning @ be careful that water does not enter the master cylin- der when refilling. Water will significantly lower th...

  • Page 74

    8-20 esu04821 adjusting the ski spring preload the spring preload can be adjusted by turning the spring preload adjuster 1. For rs90r/rsg90 cd-11e for rs90m cd-11e for rs90gt cd-11e note: @ for rs90n/rs90nr: to adjust the shock absorbers, refer to the separate shock absorber owner’s manual. @ spring...

  • Page 75: Caution:

    8-21 caution: @ the left and right ski spring preload must be set to the same setting. Uneven settings can cause poor handling and loss of stability. @ warning @ this shock absorber contains highly pressurized nitrogen gas. It could explode by improper handling, causing injury or property damage. ● ...

  • Page 76: Caution:

    8-22 rebound damping force the rebound damping force of each ski shock absorber can be adjusted by turning the rebound damping force adjusting knob 2. Cd-29e note: @ the damping forces will not decrease past the minimum levels even if the adjusting knobs are turned out more than the minimum settings...

  • Page 77

    8-23 esu04043 adjusting the rear suspension spring preload the rear suspension spring preload can be adjusted by turning the spring preload adjuster 1 on the shock absorber (rs90r/rs90gt/rsg90) or each shock absorber (rs90n/rs90nr/rs90m). For rs90n/rs90nr cd-17e for rs90m cd-13e for rs90n/rs90nr/rs9...

  • Page 78: Warning

    8-24 note: @ the rear suspension spring preload can be further adjusted by changing the position of the spring seat. Have a yamaha dealer make this adjustment as it requires special tools. @ warning @ be sure to have a yamaha dealer make this adjust- ment. This shock absorber contains highly pressur...

  • Page 79: Warning

    8-25 esu04763 adjusting the rear suspension damping forces for rs90r/rs90gt/rsg90 the rebound damping force can be adjusted by turning the rear suspension damping force remote adjustment dial in direction a “hard” or direction b “soft”. 1 rear suspension damping force remote adjustment dial 2 standa...

  • Page 80: Caution:

    8-26 for rs90n/rs90nr the compression damping force can be adjusted by turn- ing the adjuster 1. Cd-30e caution: @ ● do not continue to turn the adjuster in direction a after it stops. The shock absorber can be damaged and damping force adjustments cannot be made. ● do not turn the adjuster in direc...

  • Page 81: Caution:

    8-27 esu04092 adjusting the control rods the weight transfer can be adjusted by turning the con- trol rod adjuster or adjusting nut. For rs90r/rs90gt/rsg90 1. Loosen the locknut 1. 2. Turn the control rod adjuster 2 in direction a to increase weight transfer or direction b to decrease weight transfe...

  • Page 82: Caution:

    8-28 for rs90n/rs90nr/rs90m 1. Loosen the locknut 1. 2. Turn the control rod adjusting nut 2 in direction a to increase weight transfer or direction b to decrease weight transfer. 3. Tighten the locknut while holding the adjusting nut in place. Caution: @ ● when using the two wrenches included in th...

  • Page 83: Warning

    8-29 esu03532 adjusting the drive track warning @ a broken track, track fittings or debris thrown by the drive track could be dangerous to an operator or bystanders. Observe the following precautions: ● do not allow anyone to stand behind the snow- mobile when the engine is running. ● when the rear ...

  • Page 84: Warning

    8-30 adjusting the drive track warning @ ● be sure to have a yamaha dealer make this adjustment. ● support the snowmobile securely on a suitable stand before working underneath the snowmo- bile. ● operate the engine in a well-ventilated area. @ 1. Lift the rear of the snowmobile onto a suitable stan...

  • Page 85: Caution:

    8-31 caution: @ the right and left adjusters should be turned to an equal amount. @ 6. Recheck alignment and deflection. If necessary, repeat steps 3 to 5 until the proper adjustment is achieved. 7. Tighten the rear axle nut. Esu02001 aligning the skis 1. Turn the handlebar so the skis face straight...

  • Page 86: Caution:

    8-32 2. Loosen the handlebar bolts. 3. Move the handlebar up or down to adjust the handle- bar height to the desired position. Caution: @ make sure that the projection on the handlebar is not installed into the area a shown. @ 4. Tighten the handlebar bolts and install the handlebar cover. Caution: ...

  • Page 87: Warning

    8-33 esu00371 lubrication lubricate the following points. 1 throttle cable end warning @ apply a dab of grease onto the cable end only. Do not grease the throttle cable because it could become frozen, which could cause loss of control. @ 2 front suspension 3 rear suspension warning @ be sure to have...

  • Page 88: Warning

    8-34 esu02082 replacing a headlight bulb 1. Lift up the shroud. 2. Disconnect the headlight coupler. 3. Remove the bulb holder cover. 4. Unhook the bulb holder by pushing it in, then upward. 1 bulb holder cover 2 bulb holder 5. Remove the bulb. Warning @ keep flammable products and your hands away f...

  • Page 89: Warning

    8-35 esu00355 battery this snowmobile is equipped with a sealed-type (mf) battery, which does not require any maintenance. There is no need to check the electrolyte or to add distilled water. To charge the battery have a yamaha dealer charge the battery as soon as possible if it seems to have discha...

  • Page 90: Caution:

    8-36 1. Lift up the shroud. 2. Remove the right side cover 1. 3. Unhook the latch 2. 4. Loosen the clamp screws 3. 5. Slide the oil tank breather hose clamp 4 away from the air filter case, and then disconnect the oil tank breather hose 5. 6. Slide the crankcase breather hose clamp 6 up, and then di...

  • Page 91

    8-37 e spare fuses (20 a, 10 a, 15 a, 3 a) f spare main fuse specified fuses: 9main fuse: 30 a 0“head” (headlight) fuse: 20 a a“sig” (signal) fuse: 10 a b“dc term” (auxiliary dc jack) fuse: 3 a c“c/w” (carburetor warmer) fuse: 20 a d“ign” (ignition) fuse: 15 a u8gg10.Book page 37 thursday, april 28,...

  • Page 92: Troubleshooting

    9-1 esu04241 9- troubleshooting a. 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 carburetor ... Clean carbure- tor. Fuel supplied to combustion chamber ● flooded engin...

  • Page 93: Caution:

    9-2 caution: @ use the connecting leads to jump-start the snowmobile only. Do not use the connecting leads for any other purpose. @ 1. Apply the parking brake and turn the main switch to “off”. 2. Open the shroud. 3. Remove the red (+) lead from the lead holder and move it away from the black (-) le...

  • Page 94: Warning

    9-3 8. Start the engine. 9. Disconnect the black (-) jumper cable from the black (-) connecting lead, and then pull the cover completely over the lead terminal. 10. Disconnect the black (-) jumper cable from the negative (-) terminal of the booster battery. 11. Disconnect the red (+) jumper cable fr...

  • Page 95

    9-4 g. Snowmobile does not move 1. Malfunctioning v-belt clutch ... Ask a yamaha dealer to inspect. 2. Drive track does not move ... Foreign object is caught in the drive track, or slide runners have melted to the slide metal due to lack of lubrication. 3. Tight, loose, or broken drive chain ... Ask...

  • Page 96: Storage

    10-1 esu03594 10- storage long-term storage requires some preven- tive procedures to guard against deteriora- tion. 1. Cleaning thoroughly clean the snowmobile, inside and out, to remove the corrosive salts and acids that can accumulate. Use yamaha mud, grease, and engine cleaner, or an equivalent p...

  • Page 97: Caution:

    10-2 caution: @ ● always keep the battery charged. Storing a discharged battery can cause permanent battery damage. ● to charge a sealed-type (mf) battery, a special (constant-voltage) battery charger is required. Using a conven- tional battery charger will damage the battery. If you do not have acc...

  • Page 98: Specifications

    11-1 esu00228 11- specifications esu00229 dimensions cs-01e rs90n/rs90r/rs90nr/rs90m/ rs90gt/rsg90 overall length 2,755 mm (108.5 in): rs90n/rs90r/ rs90nr/rs90gt 3,185 mm (125.4 in): rs90m 3,000 mm (118.1 in): rsg90 overall width 1,225 mm ( 48.2 in): rs90n/rs90r/ rs90nr/rs90gt/ rsg90 1,165 mm ( 45.9...

  • Page 99

    11-2 esu00230 engine cs-02e esu00231 chassis cs-03e rs90n/rs90r/rs90nr/rs90m/ rs90gt/rsg90 type liquid cooled 4-stroke, 12 valves cylinder arrangement parallel 3-cylinder displacement 973 cm 3 bore × stroke 79.0 × 66.2 mm (3.12 × 2.61 in) idle speed 1,400 ± 100 r/min engine oil type api se, sf, sg o...

  • Page 100

    11-3 transmission: type automatic centrifugal engagement, infinite- ly variable 3.8:1–1:1 sheave distance approx. 268.5 mm (10.57 in) sheave offset approx. 15 mm (0.59 in) engagement speed ∗1 approx. 3,600 r/min:rs90n/rs90nr/ rsg90 approx. 4,000 r/min:rs90m approx. 3,500 r/min:rs90r/rs90gt shift spe...

  • Page 101

    11-4 esu00232 electric cs-04e rs90n/rs90r/rs90nr/rs90m/ rs90gt/rsg90 ignition system tci spark plug type · r · cr8e (ngk) gap 0.7–0.8 mm (0.028–0.031 in) battery capacity ytx20l-bs 12 v 18 a·h maximum charge rate 1.8 amperes/hr for 10 hrs headlight bulb × quantity 12 v, 60/55 w × 2 tail/brake light ...

  • Page 102: Wiring Dia

    12-1 es u0023 3 1- wiring dia g ram off on hi lo off on st ar t ru n st op close open g /b ch b g l/ r g g l/ r b w lg b dg b l/ w g lg b y (3a) (20a) (10a) (20a)(20a) (15a) (black) p o/ r b /w l/ y w ch b /y br br /w ch w w w w w w w /r r w /g l/ w lg lg l/ w w /b g b o /b r /w r b (30a) g b y g b ...

  • Page 103

    12-2 1 cr anksha ft positio n se nsor 2 a c magn eto 3 r e ct if ie r/ reg u lat or 4 ma in s w itch 5 load con tro l re la y 6 ma in fu s e 7 st ar te r re la y 8 st ar te r mo to r 9 ba tt er y 0 en gin e stop s witch a t h rottle s witch b carb uretor w a rm e r rel a y c carb uretor g rou nd d c...

  • Page 104: Owner’S Manual

    Owner’s manual snowmobile rs90nl rs90rl/rs90nrl rs90ml rs90gtl rsg90l 8gg-28199-11 lit-12628-02-50 printed on recycled paper printed in japan 2005.08-1.0 ×1 cr (e) yamaha motor co., ltd..