Yamaha PZ50Y PZ50RTY PZ50GTY PZ50MTY PZ50VTY manuale d’uso

OWNER’S MANUAL 8GK-28199-12 LIT-12628-02-78 ESU10012 Read this manual carefully before operating this vehicle. PZ50Y PZ50RTY PZ50GTY PZ50MTY PZ50VTY[...]

ESU10041 Read this manua l carefully before opera ting this vehicle. Thi s manual shou ld stay with this ve hicle if it is sol d. U8GK12E0.book Page 1 Monday, May 19, 2008 11:17 AM[...]

Introduction ESU10121 Congratulations on your purchase of a Yamaha snowmob ile. This model is the result of Yamaha’s vast experience in the produc- tion of fine s porting and touring snowmobiles. It represents the high degree of craftsmanship and reliability that have made Yamaha a lead- er in these fields. This manual w ill give you an understan[...]

Important manual information ESU10151 Particularly important information is distin - guished in this manual by the following no ta- tions. This is the safety alert symbol. It is used to alert you to potentia l personal inj ury haz- ards. Obey all safety messages that follow this symbol to avoid pos sible injury or death. W ARNING EWS00021 A WARNING[...]

Contents Location of the importa nt labels ..... 1 Safety informa tion . ............. .............. 5 Description ....... ............. ............ ........ 7 Control functions ................ ............ 10 Main swi tch ................. ............ ..... 10 Throttle lev er ............... ............ ..... 10 Engine o verheati ng prev enti[...]

Contents Checking th e air fil ter .............. ..... 55 High-al titude settin gs ......... ........... 56 Valve c learance .... ............. ........... 56 Engine o il and oil filt er ca rtridge ... 56 Cooling sy stem ............ ............ ..... 60 V-belt . ............. ............. ............ ..... 61 Drive cha in housi ng ............[...]

Location of the important labels 1 ESU10214 Read and understand a ll of the labels on your ve hicle. They contain important information for safe and proper operati on of your vehicle. Ne ver remove any labels from your vehicle. If a label becomes difficult to read or come s off, a r eplacement label is av ailable from your Yamaha deal- er. 91 0 2 1[...]

Location of the important labels 2 1 PZ50 1 PZ50RT/PZ50GT/PZ50MT 1 PZ50VT U8GK12E0.book Page 2 Monday, May 19, 2008 11:17 AM[...]

Location of the important labels 3 NO TICE A TTENTION 8HA-2815M-E0 W ARNING This unit contains high pressure nitrogen gas. Mishandling can cause explosion. • Read owner’ s manual for instructions. • Do not incinerate, puncture or open. A VERTISSEMENT Cette unité contient de I’azote à haute pression. Une mauvaise manipulation peut entraîn[...]

Location of the important labels 4 NO TICE 8ET -2815K-00 A TTENTION 8ET -2815K-10 20kg {44lbs} LO AD LIMIT / CHARGE LIMITE 8FM-24897-01 7 PZ50RT/PZ50GT/PZ50MT/PZ50VT 8 PZ50RT/PZ50GT/PZ50MT/PZ50VT 9 PZ50/PZ50RT/PZ50GT/PZ50MT 10 PZ50/PZ50RT/PZ50GT/PZ50MT 11 PZ50MT 12 PZ50VT U8GK12E0.book Page 4 Monday, May 19, 2008 11:17 AM[...]

Safety information 5 ESU10193 As the vehicle ’ s owner, you are responsible for the safe and proper operation of your snowmobile. When you ride yo ur snowmo- bile, you must know and use the foll ow ing for your safety. Severe injury or death m ay result if you ignore any of the following . Before you opera te your snowmobile ● Read the Owner ?[...]

Safety information 6 ● Many surfaces such as ice and hardpacked snow require much longer stopping distanc - es. Be alert, plan ahead and begin deceler- ating early. The best braking method on most surfaces is to releas e the throttle and apply the brake gentl y — not suddenly. Avoid carbon monoxide poisoning All engine exhaust c ontains carbon [...]

Description 7 ESU10260 1,2 3 4,5,6,7,8 14 14 14 14 14 15 16 17 17 16 15 17 16 15 17 16 15 17 16 15 PZ50 PZ50GT PZ50VT 1. Storage pouch 2. T ool kit 3. Air filter 4. Oil fill er cap 5. Battery 6. Main fuse 7. Fuse box 8. Coolant reser v oir 9. V -belt holder (PZ50VT) 10. Strap (PZ50MT) 11. Passenger g rip war mer swi tch (PZ50VT) 12. Backrest (PZ50V[...]

Descripti on 8 PZ50 PZ50RT/PZ50GT/PZ50MT PZ50VT 9 1. Brake le ver 2. P ar king brake le ver 3. Grip/thumb war mer adjustment swit ch 4. Headlight beam s wit ch 5. Speedometer unit 6. Engine stop s wit ch 7. Th ro ttle lever 8. Shroud latch (PZ50VT) 9. Main s witch 10. Auxiliary DC jac k (PZ50VT) 11. “ RESET ” b utton 12. “ SELECT ” button 1[...]

Description 9 TIP ● The snowmob ile you have purchased may differ sligh tly from those shown in the figures of this manual. ● Design and spec ifications are subjected to change without no t ice. U8GK12E0.book Page 9 Monday, May 19, 2008 11:17 AM[...]

Control functions 10 ESU10292 Main switch The main switch controls the ignition and lighting systems. The various positions are described below. Off The ignition circuit is sw itched off. The key can be removed onl y in this position. On The ignition circuit is sw itched on. Start The starting circuit is switched on. The starter motor cranks the en[...]

Control functions 11 tle valves fail to return to the idle position when the throttle lever is relea sed. (See page 81 for the clutch engagement speed .) Idling / starting Running Trouble TIP ● If the T.O.R.S. is activated, the warning light and self-diagnosis warning indicator will flash, and the two-digit code “ 84 ” w ill flash in the mete[...]

Control functions 12 ● a digital speedometer (which sho ws the riding speed) ● an odometer (which shows the total dis- tance traveled) ● a tripmeter (which shows the distance trav- eled since it was la st set to zero) ● an engine speed mete r (which shows the engine speed; not for use whil e riding) ● warning indicators (which show self-d[...]

Control functions 13 TIP ● To switch the speedom eter, odometer, and tripmeter displays between kilomete r s and miles, select the odometer mode “ OD O ” , and then push the “ SELECT ” button f or at least 10 seconds w hile the snowmobile is stopped. ● Use the engine speed meter only when checking the snowm obile and performing basic ma[...]

Control functions 14 NOT ICE ECS00030 ● If the knock control system “ KC S ” indi- cator light comes on, the fuel tank may not have been filled with the recom- mended fuel. Reduce the engine speed to 6000 r/min or less. As soon as possi- ble, stop the en gine, let it cool sufficient- ly, and then drain the fuel and r efuel with the recommende[...]

Control functions 15 Fuel meter The display seg m ents of the fuel m eter disap- pear towards “ E ” (Empty) as t he fuel level de- creases. When only one segment is left near “ E ” , the fuel level warning indicator and the warning light come on. If the fuel lev el warning indicator and the warning light come on , refuel as soon as pos- sib[...]

Control functions 16 The fuel level warning indicator, warning light, and all segments of the fuel meter w arn the rider of the above problems by flashing con- tinuously. If this occurs, h ave a Yamaha dealer inspect the snowmobile as soon as possible. ESU10460 Oil level warning indicator “” The oil level w arning indicator and the w arn- ing l[...]

Control functions 17 ror code will flash slowly in the tripme- ter/odometer display. Note the error code, and then have a Yamaha dealer ins pect the snowmobile as soon as possible. NOTICE: Do not continue to operate the engine longer than necessary if there is an error code to avoid possible engine damage. [ECS008 20] ESU10544 Drive select s witch [...]

Control functions 18 ESU10661 Headlight beam sw itch “ LIGHTS ” Push the headlight beam switch to change the headlight to high beam “ HI ” or to low beam “ LO ” . ESU10674 Grip/thumb warmer adjus tment switch The grip/thumb warmer adjustment sw itch controls the electricall y heated handlebar grips and throttle lever. To raise the tempe[...]

Control functions 19 ● Do not use an automotive cigaret te light- er or other accessory with a plug that gets hot because the jack can be dam- aged. ESU10550 Brake l e ver The snowmobile is stopped by braki ng the en- tire drive system. Squeeze the brake lever towards the handle - bar grip to stop the snowmobile . TIP When the brake lever is oper[...]

Control functions 20 NOT ICE ECS00140 Make sure that all cables and wires are in place when closing the shroud. ESU10731 Shroud and covers Securely fasten the shroud and covers before operating the snowmobile. (See page 49 for removal and installation proc edures.) PZ50 / PZ50RT / PZ50GT / PZ50MT PZ50VT 1. Shroud latch 1. Air filter case cov er 2. [...]

Control functions 21 ESU10751 Drive guard W ARNING EWS00401 ● Coming in contact with the rotating V- belt or clutch parts can ca use severe in- jury or death. Never run the engine with the drive guard removed. ● Make sure that the drive guard is tight- ened securely before operating the snowmobile to protect against severe injury or death from [...]

Control functions 22 ESU10680 Passenger grip warmer swi t ch (PZ50VT) The passenger grip warmer switch controls the electrically heated pass enger grips. ESU10801 Backres t (PZ50V T) The backrest is adjustable. To adjust the backrest angle 1. Open the bac krest zipper and loos en the backrest bolts. 2. Adjust the backrest angle to the desired posit[...]

Control functions 23 To install the storage pouch 1. Fasten the storage pouch upper buckles . 2. Pass the storage pouch lower s trap be- tween the bracket and the frame, and then fasten the buckle to secure the pouch. TIP ● Be sure to route the storage pouch lower strap above the bracket fasteners. ● When installing th e storage pouch, make sur[...]

Control functions 24 ESU10621 Fuel Make sure there is suffic ient gasoline in the tank. W ARNING EWS00071 Gasoline and gasoline vapor s are ex- tremely flammable. To avoid fires and ex- plosions and to reduce the risk of injury when refueling, follow these instructions. 1. Before refueling, turn off the engi ne and be sure th at nobody is on the sn[...]

Control functions 25 Your Yamaha engine has been de signed to use premium unl eaded gasoline with a pump octane number [(R+M)/2] of 91 or higher, or a research octane number of 95 or higher. If the recommended fuel is not used, the en - gine may not perform as it should. NOT ICE ECS00080 ● Oxygenated fuels (gasohol) containing a maximum 5% of eth[...]

Control functions 26 PZ50 / PZ50MT / PZ50VT To increase the spring preload and thereby harden the suspens ion, turn the adjusting ring in direction (a). To decrease the spring pr e- load and thereby soften the suspension, turn the adjusting ring in direction (b). PZ50GT 1. Loosen the locknut. 2. To increase the s pring preload and there- by harden [...]

Control functions 27 To adjust the air pressure W ARNING EWS00621 Support the snowmobile securely on a suitable stand before adjustin g the shock absorbers. Otherwise, the snowmobile could fall and cause injury. NOT ICE ECS00710 Make sure that there is no load on the shock absorbers and that they are fully ex- tended before making a ny air pressure[...]

Control functions 28 air pressure, push the black bleed valve button. NO TICE: Do not exceed 1034 kPa (10.3 kgf/cm ² , 150 psi). [EC S00732] TIP To allow pressure to escape from t he pump and the shock abs orber, push the button half- way down and hold it. To allow only a small amount of pressure to escape, push the but- ton all the way down and q[...]

Control functions 29 Rebound damping force The rebound damping force of each shock absorber can be adjusted by turning its re- bound damping force adjusting knob. To increase the rebound damping force, turn the adjusting k nob in direction (a). To de- crease the rebound damping force, turn the adjusting knob in direction (b). TIP The damping forces[...]

Control functions 30 To increase the spring preload and thereby harden the suspens ion, turn the adjusting ring in direction (a). To decrease the spring pr e- load and thereby soften the suspension, turn the adjusting ring in direction (b). Center shock absorber (PZ50RT) 1. Loosen the locknut. 2. To increase the s pring preload and there- by harden[...]

Control functions 31 ESU13092 Adjusting the 2-up adjusting b locks (PZ50VT) W ARNING EWS00760 Make sure that the 2-up adjusting blocks are installed in the same position on both sides of the snowmobile, otherwise poor handling and loss of stability may result. The spring force c an be adjusted by changing the position of the 2-up adjusting bloc ks.[...]

Control functions 32 ESU11033 Adjusting the control rods (PZ50 VT) W ARNING 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. The weight transfer c an be adjusted by tur n- ing the adjusting nuts on the control rods . 1. Loosen the locknut while hold ing the[...]

Control functions 33 3. Tighten the lo cknut while holding th e ad- justing nut in place. 1. Red paint area 2. Adjustable r ange 3. Standard position Lock nut tig htening torque: 25 Nm (2.5 m · kgf , 18 ft · lbf) U8GK12E0.book Page 33 Monday, May 19, 2008 11:17 AM[...]

Pre-operation checks 34 ESU11071 Inspect your vehicle each tim e you use it to make sure the vehicle i s in safe operating c ondition. Always follow the inspection and mai ntenance procedures and schedules described in the Owner ’ s Manual. W ARNING EWS00191 Failure to inspect or maintain the vehicle properly increases the possibility of an acci-[...]

Pre-operation checks 35 Skis and ski runners • Check f or wear and dam age. • If necessar y , have Y amaha dealer replace s kis or ski runners. 66 Drive track • Check f or deflection, wear and dam age. • If necessar y , have Y amaha dealer replace track. 68 Slide runners • Check f or wear and dam age. • If necessar y , have Y amaha deal[...]

Operation 36 ESU13210 TIP This model is equipped with an engine oil pressure switch to stop the engine in case an engine oil press ure drop is detected. To start the engine after this system has stopped the engine, be sure to place th e snowmobile on a level surface, and then turn the k ey in the main switch to the off position, and then to the on [...]

Operation 37 ESU11320 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 br and new, do not put an excessive load on it for the first 500 km (300 mi). The various parts in the engine wear an[...]

Operation 38 maximum performan ce until yo u are totally fa- miliar with the snowmobile ’ s handling and performance characteristics. The beginning operator s hould select a large flat area to become famil iar w ith the snowmo - bile. Make sure that this area is free of obsta- cles and other traffic . You should practice control of the throttle a[...]

Operation 39 risk of an accident. Do not t ry steeper or more difficult inclines until you have de- veloped your skill on gentle slopes. You should practice first on gentle slopes. Try more difficult c limbs only after you have de- veloped your skill. As you approach a hill, ac - celerate before you start the climb, and then reduce the throttle to [...]

Operation 40 the seat and the foot of your uphill leg on the running board. This position w ill make it easi - er for you to shift your body weight as need ed. Snow and ice are slippery, so be prepared for the possibility that your snowmobile could be- gin to slip sidew ays on the slope. If this hap - pens, steer in the direction of the slide if th[...]

Operation 41 ● Always check the drive tr ack for damage or maladjustment before operating the snowmobile. ● Do not operate the snowmobile if you find damage to the drive track. NOT ICE ECS00350 Ride on fresh snow frequently. Operating on ice or hard-packed snow will rapidly wear the slide runners. ESU11350 Maximi zing drive tr ack l ife Recomme[...]

Operation 42 ● Keep the right hand on the right handle- bar grip for steering, and grip the strap with the left hand to shift weight uphill for balance during traverse riding. ● Ride cautiously while using the strap. Do not accelerate or decelerate abruptly while holding onto the strap. ● Do not use the strap to lift the snowmo- bile. ● Do [...]

Operation 43 W ARNING EWS00321 ● Make sure that the throttle lever is fully released and the snowmobile is a t a full stop before shifting. ● Be sure to press the drive select switch only while the engine is idling. ● Make sure that the reverse “ R ” indicator light comes on and remains on, and that the area behind the snowmobile is clear[...]

Operation 44 help protect against corrosion. Be sure to clean the snowmobile when you get to your destination to remove any c orrosive salts. U8GK12E0.book Page 44 Monday, May 19, 2008 11:17 AM[...]

Periodic maintenance a nd adjustment 45 ESU11451 Periodic inspection, adjustment, and lubrication will k eep your snowmobile in the safest and most efficient condi t ion possible. Safety is an obligation of the vehicle owner/operator. The most important points of v ehicle inspection, adjustment, and lubrication a r e explained on the following page[...]

Periodic mainte n ance and adjustment 46 * Crankcase breather system • Check breather hose f or cracks or damage. • Replace if necessary . — * Fuel lin e • Check fuel hose f or cracks or damage. • Replace if necessary . — * Idle speed • Chec k and adjust idle speed. 53 * Fuel injection • Adjust synchronizat ion. — * Exhaust system[...]

Periodic maintenance a nd adjustment 47 ESU11561 General maintenance and lubrication chart ITEM REMARKS INITIAL EV ER Y PA G E 1 month or 800 km (500 mi) (40 hr) Season ally or 4000 km (2500 mi) (200 hr) Engine oil • Change (warm engine before draining) 56 * Engine o il filter car- tridge • Replace. Ev er y 20000 km (12000 mi) 56 * Cooling syst[...]

Periodic mainte n ance and adjustment 48 TIP Brake system: ● After disassembling the master cylinder or caliper c ylinder, always change the b r ake fluid. Regularly check the brake fluid le vel and add fluid if necessary. ● Replace the oil seal s of the master cylinder and caliper cy linder every two years. ● Replace the brake hose every fou[...]

Periodic maintenance a nd adjustment 49 ESU13001 Tool kit The service information includ ed in this man- ual and the tools provided in the owner ’ s tool kit are intended to assist you i n the perfor- mance of preventiv e maintenance and minor repairs. However, additional tools such as a torque wrench may be nece ssary to perform certain maintena[...]

Periodic mainte n ance and adjustment 50 To close the shroud and install the front cove r and air filter case cover 1. Insert the projections on the end of the air filter case c over into the slo t s in the air fil - ter case, place it in the original position, and then tighten the fasteners . 2. Fit the holders on the front cover over the projecti[...]

Periodic maintenance a nd adjustment 51 To install the right side cover Place the right side cover in the original posi- tion, and then tighten the quick fastener scre ws. Top cover (PZ50 / PZ50RT / PZ50GT / PZ50MT) To remove the top cover Pull up on the rear of the top cover. To install the top cover Insert the projections on the front of the top [...]

Periodic mainte n ance and adjustment 52 To install an upper cover 1. Insert the projections on the upper cover into the slots, fit the hold e rs on the cove r onto the grommets, and then tighten the fasteners. 2. Close the shroud. NOT ICE ECS00371 ● Make sure that all cables, leads, etc., are routed properly before installing the shroud and cove[...]

Periodic maintenance a nd adjustment 53 W ARNING 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 several different thread lengths. The thread length or reach is the distance from the spark plug gas ket seat to the end of the threaded portion. If the reac[...]

Periodic mainte n ance and adjustment 54 5. Install the rubber cap. ESU11840 Adjusting the thrott le cable f ree play (PZ50 / PZ50RT / PZ50GT / PZ50MT) 1. Loosen the locknut. 2. Turn the adjusting bolt in or out until the proper throttle cable free play is achieved. 3. Tighten the locknut. ESU11850 Checking t he throttle ca ble free play (PZ50VT) C[...]

Periodic maintenance a nd adjustment 55 2. Hold the pivot point of the throttle lever away from the th rottle switch by putting your thumb (above) and fo refinger (be- low) between the throttle lever pivot and the engine stop switch housin g. While holding the pivot point as described above, press the throttle lever gradually. The T.O.R.S. will be [...]

Periodic mainte n ance and adjustment 56 4. Place the ai r filter eleme nt frame in the original position, and then hook the fas- teners onto the frame. 5. Install the air f ilter case cover, an d then install the front cover (PZ50 / PZ50RT / PZ50GT / P Z50MT) or close the shroud (PZ50VT). ESU11931 High-altitude settings Operating at high altitude [...]

Periodic maintenance a nd adjustment 57 2. Start the engine, warm it up for 10 – 15 minutes, and then turn it off. TIP ● The engine can also be warmed up by driv- ing the snowmobile for 10 – 15 minutes. ● After driving the snowmobile, allow the en- gine to idle for at least 10 seconds before turning it off. 3. Remove the right side c over ([...]

Periodic mainte n ance and adjustment 58 7. Insert the dipstick into the oil filler hole, and then tighten the oil filler cap. 8. Connect the oil leve l gauge coupler. 9. Install the right side cov er (PZ50 / PZ50RT / PZ50GT / PZ50MT), or install the right side cover and the right upper cover, and then close the shroud (PZ50VT). To change the engin[...]

Periodic maintenance a nd adjustment 59 9. Remove the engine oil drain bolt to drain the oil from the crankcase. TIP Dispose o f used oil ac cording to local regula- tions. 10. Install the engine oil drain bolts, and then tighten them to the specified torques . 11. Add 1.5 L (1.59 US qt, 1.32 Imp.qt) of the recommended en gine oil to the oil tank, [...]

Periodic mainte n ance and adjustment 60 ESU12043 Cooling syst em The coolant level should be checked before each ride. In addition, the cooling sy stem must be bl ed at the intervals specifie d in the periodic maintenance and lu br ication chart. W ARNING EWS00380 Do not remove the coolant res ervoir cap when the engine is hot. Scaldi ng hot fluid[...]

Periodic maintenance a nd adjustment 61 3. Start the engine, allow it to idle for several minutes, and then turn it off. 4. Check for any cool ant leakage. TIP If you find any leaks, consult a Y amaha deal- er. 5. Install the right upper cover, and then in- stall the top cover (PZ50 / PZ50RT / PZ50GT / PZ50MT) or close the shroud (PZ50VT). ESU12081[...]

Periodic mainte n ance and adjustment 62 4. Install the drive guard. 5. Install the left side cov er (PZ50 / PZ50RT / PZ50GT / PZ50MT), or install the left side cover and the left upper cov- er, and then close the shroud (PZ50VT). To replace and adjust the V-belt W ARNING EWS00421 ● When installing a new V-belt, make sure that it is positioned pr[...]

Periodic maintenance a nd adjustment 63 6. Install the new V-belt over the primary sheave assemb ly. 7. Rotate the secondary sliding sheave clockwise and push it s o that it separates from the secondary fixed sh eave. 8. Install the V-belt between the se condary fixed sheav e and the secondary s liding sheave. 9. Install the drive guard. 10. Instal[...]

Periodic mainte n ance and adjustment 64 5. Install the dipstic k , making sure to align the notch in the dipstick handle with the projection on the drive chain hou sing. 6. Install the right side cover. TIP Continue with steps 7 and 8 for models with reverse only. 7. Release the parking brake. 8. Drive the snow mobile for several m inutes at more [...]

Periodic maintenance a nd adjustment 65 Test the brake at a low speed when starting out to mak e 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 the following section for more details.) Checking the brake pads Check the brake pads for wear. If the br[...]

Periodic mainte n ance and adjustment 66 6. Tighten the parking brake pad lock nut. Checking the brake fluid level W ARNING EWS00460 Be careful that water does not e nter the master cylinder when refilling. Water will significantly lower the boiling point of the fluid and may result in vapor lock. If the brake fluid level goes down, consult a Yamah[...]

Periodic maintenance a nd adjustment 67 NOT ICE ECS00560 Avoid scratching the skis w hen loading and unloading the snowmobile, when riding in areas with little or no snow, or on sharp edges such as concrete, curbs, e tc. This will wear or damage the skis. To align the skis 1. Turn the handlebar so the ski s face straight ahead. 2. Check the followi[...]

Periodic mainte n ance and adjustment 68 ESU12173 Drive tr ack and s lide runners Drive t rack W ARNING EWS00480 A broken track, track fittings or debris thrown by the drive track could be danger- ous to an operator or bystanders. Observe the following precautions: ● Do not allow anyone to stand behind the snowmobile when the engine is running. ?[...]

Periodic maintenance a nd adjustment 69 3. If the deflection is incorrect, adjust the drive track. Adjusting the drive track 1. Lift the rear of the snowmobile onto a suit- able stand to raise the driv e track off the ground. 2. Loosen the rear axle nut. 3. Start the engine and rotate the driv e track one or two turns. Stop the engine. 4. Check the[...]

Periodic mainte n ance and adjustment 70 Shifted to left 5. Adjust the drive tra ck deflection to speci - fication. NOT ICE: The right and left ad- justing nuts should be turned an equal amount. [ECS005 92] 6. Recheck alig nment and deflection. If nec- essary, repeat steps 3 to 5 until the prop- er adjustment is achiev ed. 7. Tighten the rear axle [...]

Periodic maintenance a nd adjustment 71 NOT ICE ECS00610 ● Only use in deep snow riding condi- tions. ● Operation on areas with light snowfall, ice, hard-packed snow, dirt, or grass will result in rapid wear or damage to the track and slide runners from lack of snow which serves as a lubricant. ESU12193 Lubrication Lubricate the following poin [...]

Periodic mainte n ance and adjustment 72 PZ50 / PZ50RT / PZ50GT / PZ50MT PZ50VT 4. Unhook the bulb holder by pushing it in, then downward. 5. Remove the bulb. 6. Install the new bulb, and the n hook the bulb holder onto the headlight unit. NOTICE: Keep oil and your hands away from the glass part of the bulb or its life and illumination will be affe[...]

Periodic maintenance a nd adjustment 73 ESU12290 Fittings and fasteners Check the tightness of the fittings and fasten - ers. Tighten in prop er sequence and torque if nec- essary. ESU12303 Battery This model is equipped with a VRLA (Valve Regulated Lead Acid) battery. There is no need to check the electrolyte or to add distilled water. However, th[...]

Periodic mainte n ance and adjustment 74 ESU12353 Replacing a fuse W ARNING EWS00550 Be sure to use the specified fuse. A wr ong fuse could cause electr ical system dam- age or A FIRE HAZARD. NOT ICE ECS00631 Be sure to tur n the main swit ch to the off position and disconnect the negative bat- tery lead to prevent accidental short-cir- cuiting. 1.[...]

Periodic maintenance a nd adjustment 75 PZ50RT / PZ50GT / PZ50MT / PZ50VT 4. Connect the negativ e battery lead by in- stalling the bolt. 5. Install the right side cover. TIP If the fuse immediately blows again, as k a Yamaha dealer to inspect the snow mobile. 1. “ HEAD ” (headlight) fuse 2. “ SIG ” ( signal) fuse 3. “ DC TERM ” (auxili[...]

Troubleshooting 76 ESU12396 Engine turns over but does not start 1. Fuel system ● No fuel supplied to combus tion cham- ber • No fuel in tank: Supply fuel. ↓ • Clogged fuel line: Clean fuel line. ↓ • Clogged injector: Ask a Yamaha deal er to inspect. ● Fuel supplied to comb ustion chamber • Flooded engine: Crank engine o r wipe the [...]

Troubleshooting 77 4. Connect the other end of the red (+) jumper cable to the positive (+) terminal of the booster battery. 5. Connect the bla ck ( – ) jumper cab le to the negative ( – ) terminal of the boos ter bat- tery. 6. Connect the other end of the bla ck ( – ) jumper cable to the negative ( – ) terminal of the discharged battery. N[...]

Troubleshooting 78 2. Air in cooling system: Bleed the cooling system or ask a Yamaha dealer to in - spect. 3. Leaking coolant: Ask a Yamaha dealer to inspect. Snowmobile does not m ove 1. Malfunctioning V-belt clutch: Ask a Yamaha dealer to inspect. 2. Drive track does not move: Foreign ob- ject is caught in the drive track, or slide runners have [...]

Storag e 79 ESU12433 Long-term storage requires s ome preventive procedures to guard against deterioration. Cleaning Thoroughly clean the snowmobile, inside and out, to remove the c orr osive salts and acids that can accumulate. Use Yam aha Mud, Grease, and Engine C leaner, or an eq uivalent product, to loosen mud, grease, and grime. Wash with mild[...]

Storage 80 Surface protection Apply a coat of wax to p ainted surfaces. Apply suitable protectants to the exterior of the en - gine, drive track, and to other metal, plastic, and rubber parts. Battery Remove the battery from the snowmobile. Store it in a cool , dry place that is above 0 ° C (32 ° F), but less than 30 ° C (90 ° F). Check the con[...]

Specifications 81 ESU12466 Dimensions: Overall length: PZ5 0 2820 mm (111.0 in) PZ5 0GT 2820 mm (1 11.0 in) PZ5 0MT 319 5 mm (12 5.8 in) PZ5 0RT 2820 mm (111 .0 in) PZ5 0VT 3150 m m (12 4.0 in) Overall width: PZ5 0 1215 mm (47.8 in ) PZ5 0GT 1215 mm (4 7.8 in) PZ5 0MT 116 5 mm (45 .9 in) PZ5 0RT 1215 mm (47. 8 in) PZ5 0VT 1215 m m (47 .8 in) Overal[...]

Specifications 82 Overa ll reduct ion ratio: PZ50 8 .66 – 2.16 :1 PZ50G T 7.79 – 1.9 5 :1 PZ50 MT 9. 16 – 2.29 :1 PZ50RT 8.66 – 2.16 :1 PZ50 VT 9. 00 – 2.25 :1 Sheave dist ance: 267.0 – 27 0.0 mm (10 .51 – 10 .63 in) Sheave offs et: 14.5 – 17.5 mm (0.57 – 0.69 in) Engage ment speed (Subject to ch ange accor ding to e levation sett[...]

Specifications 83 Low coolan t te mperat ure in dicator ligh t: LED Knock co ntrol system indi cator l ight: LED Drive p osition indica tor light: PZ50G T LED PZ50MT LED PZ50RT LED PZ50VT LE D Rever se posit ion ind icator light: PZ50G T LED PZ50MT LED PZ50RT LED PZ50VT LE D U8GK12E0.book Page 83 Monday, May 19, 2008 11:17 AM[...]

Consumer information 84 ESU12480 Identification number records Record the frame serial number, engine serial number (Primary ID), an d key identification number in the s paces provided for assistance when ordering spare parts from a Yamaha dealer. Also, record and keep the ID n umbers in a separate place in case the snowmobile is sto- len. Frame se[...]

Consumer information 85 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 snowmo bile dealer in the con tinental United States will be free from defects in material and workman- ship for the period of time state[...]

Consumer information 86 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- RATION, U.S.A. AND EXCLUDED FROM TH[...]

Consumer information 87 Q. What responsibility does my dealer have under this warranty? A. Each Y amaha snowmobile dealer is e xpected to: 1. Completely set up every new machine before sale. 2. Explain the operation, maintenance, and warranty requirements to your sat isfaction at the time of sale, and upon your request at any lat er date. 3. In add[...]

Consumer information 88 ESU12510 YAMAHA EXTENDED SERVI CE (Y.E.S.) U8GK12E0.book Page 88 Monday, May 19, 2008 11:17 AM[...]

Index 2-up adju sting blocks, ad justing ....... ........ 31 A Air filter, checkin g .................. ........... ........ 55 Auxiliar y DC jack (PZ50VT ) ........ ............. 18 B Backrest (PZ50VT)................ ................... 22 Battery ....... ................. ...................... ........ 73 Brake and parking b rake ............. [...]

Index Skis and ski runners .................... ............. 66 Spark plugs , checking ...................... ........ 52 Specificati ons .................. ................. ........ 81 Speedome ter unit ............ ............ ............. 11 Starting th e engine ..... ................. ............. 36 Steering s ystem .............. .......[...]

U8GK12E0.book Page 3 Monday, May 19, 2008 11:17 AM[...]

Y AMAHA MOT OR CO., L TD . PRINTED ON RECYCLED PAPER PRINTED IN JAPAN 2008.05-1.0 × 2 CR ESU12520[...]