Yamaha YZ85(W) Owner'S Manual Download Page 72

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PERIODIC MAINTENANCE AND MINOR REPAIR

6-30

EAU41491

Troubleshooting charts

Starting problems or poor engine performance

WARNING

EWA10840

Keep away open flames and do not smoke while checking or working on the fuel system.

Check the fuel level in
the fuel tank.

1. Fuel

There is
enough fuel.

There is
no fuel.

Supply fuel.

Operate the kickstarter.

2. Compression

There is compression.

There is
no compression.

Check the ignition.

Have a Yamaha dealer
check the vehicle.

Remove the spark plug
and check the electrodes.

3. Ignition

Wet

Dry

Wipe off with a dry cloth and correct the
spark plug gap, or replace the spark plug.

Have a Yamaha dealer check the vehicle.

The engine does not start.
Have a Yamaha dealer check the vehicle.

Open the throttle halfway and operate
the kickstarter.

Check the compression.

The engine does not start.
Check the compression.

chapter6 Page 30 Tuesday, April 18, 2006 10:09 AM

Summary of Contents for YZ85(W)

Page 1: ...5PA 28199 85 YZ85 W YZ85W1 YZ85LW W OWNER S MANUAL MANUEL DU PROPRIÉTAIRE BEDIENUNGSANLEITUNG ...

Page 2: ...PRINTED ON RECYCLED PAPER IMPRIMÉ SUR PAPIER RECYCLÉ AUF RECYCLINGPAPIER GEDRUCKT YAMAHA MOTOR CO LTD PRINTED IN JAPAN 2006 04 1 4 1 CR E F G ...

Page 3: ...OWNER S MANUAL YZ85 W YZ85W1 YZ85LW W 5PA 28199 85 E0 U5PA85E0 book Page 1 Thursday April 13 2006 3 06 PM ...

Page 4: ...U5PA85E0 book Page 2 Thursday April 13 2006 3 06 PM ...

Page 5: ...orcycle you should understand the instructions and warn ings in this Owner s Manual Then be sure your child understands and will follow them Children differ in skills physical abil ities and judgment Some children may not be able to operate a motorcycle safely Parents should supervise their child s use of the motorcycle at all times Parents should permit continued use only if they determine that t...

Page 6: ...your motorcycle and this manual If you have any questions concerning this manual please consult your Yamaha dealer WARNING EWA10030 PLEASE READ THIS MANUAL CAREFULLY AND COMPLETELY BEFORE OPERATING THIS MOTORCYCLE The Safety Alert Symbol means ATTENTION BECOME ALERT YOUR SAFETY IS INVOLVED Failure to follow WARNING instructions could result in severe injury or death to the motorcycle operator a by...

Page 7: ...IC STREET ROAD OR HIGHWAY SUCH USE IS PROHIBITED BY LAW THIS MOTORCYCLE COMPLIES WITH ALMOST ALL STATE OFF HIGHWAY NOISE LEVEL AND SPARK ARRESTER LAWS AND REGULATIONS PLEASE CHECK YOUR LOCAL RIDING LAWS AND REGULATIONS BEFORE OPERAT ING THIS MOTORCYCLE Product and specifications are subject to change without notice U5PA85E0 book Page 2 Thursday April 13 2006 3 06 PM ...

Page 8: ...NER S MANUAL 2006 by Yamaha Motor Co Ltd 1st edition March 2006 All rights reserved Any reprinting or unauthorized use without the written permission of Yamaha Motor Co Ltd is expressly prohibited Printed in Japan U5PA85E0 book Page 3 Thursday April 13 2006 3 06 PM ...

Page 9: ...10 Cleaning the air filter element 6 12 Adjusting the carburetor 6 14 Adjusting the throttle cable free play 6 14 Tires 6 15 Spoke wheels 6 17 Accessories and replacement parts 6 17 Adjusting the clutch lever free play 6 17 Checking the front and rear brake pads 6 18 Checking the brake fluid level 6 19 Changing the brake fluid 6 20 Drive chain slack 6 20 Cleaning and lubricating the drive chain 6 ...

Page 10: ...the handlebar and both feet on the operator footrests during operation to maintain control of the motor cycle Never ride under the influence of alcohol or other drugs Be sure the transmission is in neu tral before starting the engine Protective apparel The majority of fatalities from motor cycle accidents are the result of head injuries The use of a safety helmet is the single most critical factor...

Page 11: ...en selecting and installing any ac cessories Keep these guidelines in mind for mounting accessories in addition to those provided under Loading Never install accessories or that would impair the performance of your motorcycle Carefully inspect the accessory before using it to make sure that it does not in any way reduce ground clearance or cornering clearance limit suspen sion travel steering trav...

Page 12: ...g The engine and exhaust pipe muffler may be hot there fore park the motorcycle in a place where pedestrians or chil dren are not likely to touch these hot areas Do not park the motorcycle on a slope or soft ground otherwise it may fall over Do not park the motorcycle near a flammable source e g a ker osene heater or near an open flame otherwise it could catch fire When transporting the motorcycle...

Page 13: ...Y INFORMATION 1 4 1 EAU41851 Location of important labels Please read the following important labels carefully before operating this vehicle YZ85 W YZ85W1 U5PA85E0 book Page 4 Thursday April 13 2006 3 06 PM ...

Page 14: ... control Loss of control can cause a collision or rollover which can result in severe injury or death NEVER ride as a passenger 3XJ 2151H A1 AVERTISSEMENT Un passager pourrait causer une perte de contrôle du véhicule Une perte de contrôle peut provoquer une collision ou un renversement résultant en des blessures sérieuses voire mortelles AUCUN passager permis 3XJ 2151H B1 4 5 1 2 3 4AA 22259 60 U5...

Page 15: ...CE VEHICULE NE JAMAIS TRANSPORTER DE PASSAGER La conduite avec passager augmente les risques de perte de contrôle NE JAMAIS ROULER SUR DES CHEMINS PUBLICS Vous pourriez entrer en collision avec un aulre véhicule TOUJOURS PORTER UN CASQUE DE MOTOCYCLISTE APPROUVE des lunettes et des vêlements de protection EXCLUSIVEMENT POUR L USAGE D UN CONDUCTEUR EXPERIMENTE 5PA 2118K 10 Cold tire normal pressure...

Page 16: ...iser ce véhicule Lesen Sie die Bedienungsanleitung bevor Sie dieses Fahrzeug fahren Antes de conducir este vehículo lea el Manual del Propietario 5PA 21568 00 TIRE INFORMATION Cold tire normal pressure should be set as follows FRONT 100kPa 1 00kgf cm2 15psi REAR 100kPa 1 00kgf cm2 15psi 3RV 21668 A0 YAMAHA MOTOR CO LTD SHIZUOKA JAPAN YAMAHA 4GB 2155A 00 U5PA85E0 book Page 7 Thursday April 13 2006 ...

Page 17: ...anuel du propriétaire avant d utiliser ce véhicule Lesen Sie die Bedienungsanleitung bevor Sie dieses Fahrzeug fahren Antes de conducir este vehículo lea el Manual del Propietario 5PA 21568 00 TIRE INFORMATION Cold tire normal pressure should be set as follows FRONT 100kPa 1 00kgf cm2 15psi REAR 100kPa 1 00kgf cm2 15psi 3RV 21668 A0 U5PA85E0 book Page 8 Thursday April 13 2006 3 06 PM ...

Page 18: ...SAFETY INFORMATION 1 9 1 YZ85LW W U5PA85E0 book Page 9 Thursday April 13 2006 3 06 PM ...

Page 19: ...ser ce véhicule Lesen Sie die Bedienungsanleitung bevor Sie dieses Fahrzeug fahren Antes de conducir este vehículo lea el Manual del Propietario 5PA 21568 00 TIRE INFORMATION Cold tire normal pressure should be set as follows FRONT 100kPa 1 00kgf cm2 15psi REAR 100kPa 1 00kgf cm2 15psi 3RV 21668 A0 YAMAHA MOTOR CO LTD SHIZUOKA JAPAN YAMAHA 4GB 2155A 00 U5PA85E0 book Page 10 Thursday April 13 2006 ...

Page 20: ...propriétaire avant d utiliser ce véhicule Lesen Sie die Bedienungsanleitung bevor Sie dieses Fahrzeug fahren Antes de conducir este vehículo lea el Manual del Propietario 5PA 21568 00 TIRE INFORMATION Cold tire normal pressure should be set as follows FRONT 100kPa 1 00kgf cm2 15psi REAR 100kPa 1 00kgf cm2 15psi 3RV 21668 A0 U5PA85E0 book Page 11 Thursday April 13 2006 3 06 PM ...

Page 21: ...cap page 6 10 2 Fuel cock page 3 5 3 Shock absorber assembly spring preload adjusting nut page 3 9 4 Air filter element page 6 12 5 Seat page 3 6 6 Shift pedal page 3 1 7 Starter choke knob page 3 6 U5PA85E0 book Page 1 Thursday April 13 2006 3 06 PM ...

Page 22: ...sting screw page 3 7 4 Bleed screw page 3 8 5 Front fork compression damping force adjusting screw page 3 7 6 Spark plug cap page 6 8 7 Oil filler cap page 6 9 8 Coolant drain bolt page 6 11 9 Transmission oil drain bolt page 6 9 10 Brake pedal page 3 2 11 Shock absorber assembly rebound damping force adjusting screw page 3 9 U5PA85E0 book Page 2 Thursday April 13 2006 3 06 PM ...

Page 23: ...2 EAU10430 Controls and instruments 1 Clutch lever page 3 1 2 Left handlebar switch page 3 1 3 Brake lever page 3 2 4 Throttle grip page 6 14 5 Fuel tank cap page 3 3 U5PA85E0 book Page 3 Thursday April 13 2006 3 06 PM ...

Page 24: ...engage the clutch pull the lever toward the handle bar grip To engage the clutch release the lever The lever should be pulled rapidly and released slowly for smooth clutch operation EAU12870 Shift pedal The shift pedal is located on the left side of the engine and is used in com bination with the clutch lever when shifting the gears of the 6 speed con stant mesh transmission equipped on this motor...

Page 25: ...away from the handlebar grip turn the adjusting bolt in direction a to increase the distance and in direc tion b to decrease it 3 Tighten the locknut EAU12941 Brake pedal The brake pedal is on the right side of the motorcycle To apply the rear brake press down on the brake pedal 1 Brake lever 2 Locknut 3 Adjusting bolt 4 Distance between brake lever and handlebar grip Distance between the brake le...

Page 26: ... fresh mix just be fore riding Do not use premixed fuel that is more than a few hours old Mixing gasoline and 2 stroke engine oil Pour 2 stroke engine oil into a clean container and then add gasoline To mix the fuel thoroughly shake the con tainer from side to side CAUTION ECA15590 Use only unleaded gasoline The use of leaded gasoline will cause severe damage to internal engine parts such as the p...

Page 27: ...nce Should it be necessary to use a dif ferent oil brand be sure to drain the fuel tank and the carburetor float chamber of the old premixed fuel prior to filling with the new type Filling the fuel tank Make sure that there is sufficient fuel in the tank Fill the fuel tank to the bottom of the filler tube as shown WARNING EWA10880 Do not overfill the fuel tank oth erwise it may overflow when the f...

Page 28: ...with the arrow mark on the one way valve point ed downward as shown EAU41280 Fuel cock The fuel cock supplies fuel from the tank to the carburetor while filtering it al so The fuel cock has two positions OFF With the lever in this position fuel will not flow Always return the lever to this position when the engine is not running ON With the lever in this position fuel flows to the carburetor Norma...

Page 29: ...ith your foot until the gears engage and then push it down smoothly but force fully This model is equipped with a pri mary kickstarter allowing the engine to be started in any gear if the clutch is disengaged However shifting the transmission into the neutral position before starting is recommended EAU13960 Seat To remove the seat Remove the bolts and then pull the seat off To install the seat 1 I...

Page 30: ... force and thereby harden the rebound damp ing turn the adjusting screw on each fork leg in direction a To decrease the rebound damping force and thereby soften the rebound damping turn the adjusting screw on each fork leg in di rection b Compression damping force 1 Remove the rubber cap by pulling it out of the front fork leg 1 Projection 2 Seat holder 1 Rebound damping force adjusting screw Rebo...

Page 31: ...e advisable to check the num ber of clicks of each damping force ad justing mechanism and to modify the specifications as necessary EAU14790 Front fork bleeding When riding in extremely rough condi tions the air temperature and pressure in the front fork will rise This will in crease the spring preload and harden the front suspension If this occurs bleed the front fork as follows 1 Elevate the fro...

Page 32: ...ing preload as follows 1 Loosen the locknut 2 To increase the spring preload and thereby harden the suspension turn the adjusting nut in direction a To decrease the spring pre load and thereby soften the sus pension turn the adjusting nut in direction b NOTE A special wrench can be obtained at a Yamaha dealer to make this adjustment The spring preload setting is deter mined by measuring distance A...

Page 33: ...orce and thereby soften the compression damping turn the adjusting screw in direction b 1 Distance A Spring preload Minimum soft Distance A 218 5 mm 8 60 in Standard YZ85 W YZ85W1 Distance A 215 0 mm 8 46 in For Europe only Distance A 212 0 mm 8 35 in Standard YZ85LW W Distance A 207 0 mm 8 15 in For Europe only Distance A 212 0 mm 8 35 in Maximum hard Distance A 202 5 mm 7 97 in Tightening torque...

Page 34: ...re sponsible for property damage or personal injury that may result from improper handling Do not tamper with or attempt to open the gas cylinder Do not subject the shock ab sorber to an open flame or other high heat sources otherwise it may explode due to excessive gas pressure Do not deform or damage the gas cylinder in any way as this will result in poor damping per formance Always have a Yamah...

Page 35: ...stand NOTE Make sure that the sidestand is proper ly secured when the motorcycle is be ing supported or is being transported WARNING EWA14601 Never apply force on the motor cycle while it is on the side stand Always remove the sidestand before starting out 1 Sidestand U5PA85E0 book Page 12 Thursday April 13 2006 3 06 PM ...

Page 36: ...quences Therefore it is very important in addition to a thorough visual inspec tion to check the following points before each ride NOTE Pre operation checks should be made each time the vehicle is used Such an inspection can be accomplished in a very short time and the added safety it assures is more than worth the time involved WARNING EWA11150 If any item in the Pre operation check list is not w...

Page 37: ...ce if necessary Check fluid level in reservoir If necessary add recommended brake fluid to specified level Check hydraulic system for leakage 6 18 6 19 Rear brake Check operation If soft or spongy have Yamaha dealer bleed hydraulic system Check brake pads for wear Replace if necessary Check fluid level in reservoir If necessary add recommended brake fluid to specified level Check hydraulic system ...

Page 38: ...xcessive play 6 25 Front fork and rear shock ab sorber assembly Check that they operate smoothly and there is no oil leakage 3 7 3 8 3 9 6 24 Chassis fasteners Make sure that all nuts bolts and screws are properly tightened Tighten if necessary Moving parts and cables Check that the control cables move smoothly Check that the control cables are not caught when the handlebars are turned or when the...

Page 39: ... possible loss of control EAU41300 Starting and warming up a cold engine 1 Turn the fuel cock lever to ON 2 Shift the transmission into the neu tral position 3 Turn the starter choke on and completely close the throttle See page 3 6 4 Start the engine by pushing the kickstarter lever down CAUTION ECA11130 For maximum engine life always warm the engine up before starting off Never accelerate hard w...

Page 40: ... train which are not designed to withstand the shock of forced shifting EAU16690 To start out and accelerate 1 Pull the clutch lever to disengage the clutch 2 Shift the transmission into first gear 3 Open the throttle gradually and si multaneously release the clutch le ver slowly 4 Once the motorcycle has reached a speed high enough to change gears close the throttle and at the same time quickly p...

Page 41: ... all components and careful ly reassemble the cylinder head and cylinder WARNING EWA10320 If you are not familiar with mainte nance work have a Yamaha dealer do it for you 7 Drain the break in oil fuel mixture from the fuel tank and refill with the specified mix See page 3 3 8 Start the engine and check the op eration of the motorcycle through out its entire operating range Stop the engine and che...

Page 42: ...e EAU17190 Parking When parking stop the engine and then turn the fuel cock lever to OFF WARNING EWA10310 Since the engine and exhaust system can become very hot park in a place where pedestri ans or children are not likely to touch them Do not park on a slope or on soft ground otherwise the vehicle may overturn U5PA85E0 book Page 4 Thursday April 13 2006 3 06 PM ...

Page 43: ...ation are explained on the following pages The intervals given in the periodic maintenance and lubrication chart should be simply considered as a gen eral guide under normal riding condi tions However DEPENDING ON THE WEATHER TERRAIN GEOGRAPHI CAL LOCATION AND INDIVIDUAL USE THE MAINTENANCE INTER VALS MAY NEED TO BE SHORT ENED WARNING EWA10320 If you are not familiar with mainte nance work have a ...

Page 44: ...intervals starting from Every race Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools data and technical skills NO ITEM ROUTINE After break in Every race Every third race Every fifth race As required 1 Piston Check piston for carbon deposits and cracks or dam age Clean Replace 2 Piston rings Check piston ring end gap and rings for damage Replace 3 Pi...

Page 45: ...djust Replace 7 Transmission Change the transmission oil Check transmission for damage Replace bearings 8 Shift forks guide bars shift cam Replace if necessary Check all parts for wear and damage 9 Rotor nut flywheel magneto Tighten 10 Kickstarter system Check idle gear for damage Replace if necessary 11 Exhaust system Check exhaust pipe and muffler for carbon deposits Clean 12 Crankshaft Check cr...

Page 46: ...condition Adjust and thoroughly lubricate chain with Yamaha chain and cable lube or equivalent Replace 16 Cooling system Check coolant level and for leakage Check hoses for cracks or damage Check radiator cap spring operation Change coolant Every 2 years 17 Chassis fasteners Check all chassis fitting and fasteners Correct or tighten if necessary 18 Air filter element Clean Replace 19 Frame Clean a...

Page 47: ...id Every year 22 Front fork Replace oil seals Replace fork oil Clean dust seal and lubricate with lithium soap based grease Adjust if necessary Check operation and for oil leakage NO ITEM ROUTINE After break in Every race Every third race Every fifth race As required 23 Shock absorber assem bly Check operation and adjust Tighten if necessary Lubricate with molybdenum disulfide grease After washing...

Page 48: ...teering head Check operation free play and tighten if necessary Clean and lubricate with lithium soap based grease Replace bearings 27 Tires and wheels Check tire air pressure wheel runout spokes for looseness and tires for wear Tighten sprocket bolts if necessary Check wheel bearings for looseness Lubricate wheel bearings with lithium soap based grease Replace wheel bearings 28 Moving parts and c...

Page 49: ... 7 6 Every two years replace the internal components of the brake master cylinders and calipers and change the brake fluid Replace the brake hoses every four years and if cracked or damaged U5PA85E0 book Page 7 Thursday April 13 2006 3 06 PM ...

Page 50: ...eck that the porcelain insulator around the center electrode of the spark plug is a medium to light tan the ideal color when the vehicle is ridden normally NOTE If the spark plug shows a distinctly dif ferent color the engine could be oper ating improperly Do not attempt to diagnose such problems yourself In stead have a Yamaha dealer check the vehicle 2 Check the spark plug for electrode erosion ...

Page 51: ...ansmission oil must be changed at the intervals specified in the periodic maintenance and lubrication chart 1 Start the engine warm it up for several minutes and then turn it off 2 Place the motorcycle on a level surface and hold it in an upright po sition 3 Place an oil pan under the trans mission to collect the used oil 4 Remove the oil filler cap and drain bolt to drain the oil from the trans m...

Page 52: ...checked before each ride In addition the cool ant must be changed at the intervals specified in the periodic maintenance and lubrication chart EAUM1291 To check the coolant level 1 Place the vehicle on a level sur face and hold it in an upright posi tion WARNING EWA10380 Never attempt to remove the radiator cap when the engine is hot 2 Remove the radiator cap and check the coolant level in the rad...

Page 53: ...ling system 5 After the coolant is completely drained thoroughly flush the cool ing system with clean tap water 6 Install the coolant drain bolt and then tighten it to the specified torque NOTE Check the washer for damage and re place it if necessary 7 Pour the recommended coolant into the radiator until it is full 1 Correct coolant level 1 Radiator cap 1 Coolant drain bolt Tightening torque Coola...

Page 54: ...art the engine let it idle for several min utes and then turn it off 9 Remove the radiator cap to check the coolant level in the radiator If necessary add sufficient coolant until it reaches the top of the radia tor and then install the radiator cap 10 Start the engine and then check the vehicle for coolant leakage If coolant is leaking have a Yamaha dealer check the cooling system EAU41431 Cleani...

Page 55: ...erial and then squeeze the ex cess oil out NOTE The sponge material should be wet but not dripping 7 Pull the sponge material over the air filter element frame 8 Insert the air filter element into the air filter case with the projection facing upward and then install the washer and wing bolt 1 Wing bolt 2 Washer 3 Sponge material 1 Sponge material 2 Air filter element frame Recommended oil Yamaha ...

Page 56: ...essional knowledge and expe rience The adjustment described in the following section however may be ser viced by the owner as part of routine maintenance CAUTION ECA10550 The carburetor has been set and ex tensively tested at the Yamaha fac tory Changing these settings without sufficient technical knowl edge may result in poor perfor mance of or damage to the engine EAU21370 Adjusting the throttle...

Page 57: ... equals the ambient temperature The tire air pressure must be ad justed in accordance with the weight of the rider the riding speed and the riding condi tions Tire inspection The tires must be checked before each ride CAUTION ECA15580 Be sure the bead stoppers are tightened Loose bead stoppers will cause the tire to slip off the rim if tire pressure is too low Be sure the valve stem is posi tioned...

Page 58: ...ad to loss of control The replacement of all wheel and brake related parts includ ing the tires should be left to a Yamaha dealer who has the necessary professional knowl edge and experience It is not recommended to patch a punctured tube If unavoid able however patch the tube very carefully and replace it as soon as possible with a high quality product Minimum tire tread depth front and rear 4 0 ...

Page 59: ...d specifically for this model and they must be se curely mounted to maintain the in herent stability of the original design Genuine Yamaha Parts and Accessories are designed and test ed to be compatible with your vehi cle Yamaha recommends the use of Genuine Yamaha Parts and Acces sories before making a purchase Use of non Yamaha approved ac cessories or replacement parts may cause loss of handlin...

Page 60: ...t and rear brake pads The front and rear brake pads must be checked for wear at the intervals spec ified in the periodic maintenance and lubrication chart EAU22400 Front brake pads Check each front brake pad for dam age and measure the lining thickness If a brake pad is damaged or if the lining thickness is less than 0 8 mm 0 03 in have a Yamaha dealer replace the brake pads as a set EAU22500 Rear...

Page 61: ...e recommended quality brake fluid otherwise the rubber seals may deteriorate causing leakage and poor braking perfor mance Refill with the same type of brake fluid Mixing fluids may result in a harmful chemical reaction and lead to poor braking performance Be careful that water does not en ter the brake fluid reservoir when refilling Water will significantly lower the boiling point of the fluid an...

Page 62: ... and place the motorcycle on it NOTE When checking and adjusting the drive chain slack there should be no weight on the motorcycle 2 Shift the transmission into the neu tral position 3 Move the rear wheel by pushing the motorcycle to locate the tight est portion of the drive chain and then measure the drive chain slack as shown 4 If the drive chain slack is incorrect adjust it as follows EAU41480 ...

Page 63: ...intervals specified in the periodic maintenance and lubrica tion chart otherwise it will quickly wear out especially when riding in dusty or wet areas Service the drive chain as follows CAUTION ECA10581 The drive chain must be lubricated after washing the motorcycle and riding in the rain 1 Remove all dirt and mud from the drive chain with a brush or cloth NOTE For a thorough cleaning have a Yamah...

Page 64: ...aler check or replace it WARNING EWA10710 Damage to the outer housing of ca bles may result in internal rusting and cause interference with cable movement Replace damaged ca bles as soon as possible to prevent unsafe conditions EAU23111 Checking and lubricating the throttle grip and cable The operation of the throttle grip should be checked before each ride In addi tion the cable should be lubrica...

Page 65: ...ed if necessary EAU23140 Checking and lubricating the brake and clutch levers Brake lever Clutch lever The operation of the brake and clutch levers should be checked before each ride and the lever pivots should be lu bricated if necessary Recommended lubricant Lithium soap based grease all pur pose grease Recommended lubricant Lithium soap based grease all pur pose grease U5PA85E0 book Page 23 Thu...

Page 66: ... be checked as follows at the intervals specified in the periodic main tenance and lubrication chart To check the condition WARNING EWA10750 Securely support the vehicle so that there is no danger of it falling over Check the inner tubes for scratches damage and excessive oil leakage To check the operation 1 Place the vehicle on a level sur face and hold it in an upright posi tion 2 While applying...

Page 67: ... must be checked as fol lows at the intervals specified in the pe riodic maintenance and lubrication chart 1 Place a stand under the engine to raise the front wheel off the ground WARNING EWA10750 Securely support the vehicle so that there is no danger of it falling over 2 Hold the lower ends of the front fork legs and try to move them for ward and backward If any free play can be felt have a Yama...

Page 68: ...p right Check that the motorcycle is in a stable and level position before starting any maintenance A strong wooden box can be placed under the engine for added stability To service the front wheel 1 Stabilize the rear of the motorcycle by using a motorcycle stand or if an additional motorcycle stand is not available by placing a jack un der the frame in front of the rear wheel 2 Raise the front w...

Page 69: ... wheel axle from the right side 3 Lower the front wheel so that it is on the ground 4 Install the washer and axle nut and then tighten the axle nut to the specified torque EAU25080 Rear wheel EAU41310 To remove the rear wheel WARNING EWA10820 It is advisable to have a Yamaha dealer service the wheel Securely support the motor cycle so that there is no danger of it falling over 1 Loosen the axle nu...

Page 70: ...r with the brake disc otherwise the brake pads will be forced shut EAU41320 To install the rear wheel 1 Install the wheel and the brake cal iper bracket by inserting the wheel axle from the right hand side NOTE Make sure that the retainer on the swingarm is inserted into the slot in the brake caliper bracket Make sure that there is enough space between the brake pads be fore installing the wheel 2...

Page 71: ...esent quick and easy procedures for checking these vital systems your self However should your motorcycle require any repair take it to a Yamaha dealer whose skilled technicians have the necessary tools experience and know how to service the motorcycle properly Use only genuine Yamaha replace ment parts Imitation parts may look like Yamaha parts but they are often inferi or have a shorter service ...

Page 72: ... 2 Compression There is compression There is no compression Check the ignition Have a Yamaha dealer check the vehicle Remove the spark plug and check the electrodes 3 Ignition Wet Dry Wipe off with a dry cloth and correct the spark plug gap or replace the spark plug Have a Yamaha dealer check the vehicle The engine does not start Have a Yamaha dealer check the vehicle Open the throttle halfway and...

Page 73: ... has stopped press down on the cap while turning it counterclockwise and then remove the cap NOTE If coolant is not available tap water can be temporarily used instead provided that it is changed to the recommended coolant as soon as possible Wait until the engine has cooled Check the coolant level in the radiator The coolant level is OK The coolant level is low Check the cooling system for leakag...

Page 74: ...irt do not leave the cleaner on the af fected area any longer than in structed Also thoroughly rinse the area off with water immedi ately dry it and then apply a cor rosion protection spray Improper cleaning can damage windshields cowlings panels and other plastic parts Use only a soft clean cloth or sponge with mild detergent and water to clean plastic Do not use any harsh chemical products on pl...

Page 75: ... steel parts including the exhaust system Even the thermally in duced discoloring of stainless steel exhaust systems can be re moved through polishing 4 To prevent corrosion it is recom mended to apply a corrosion pro tection spray on all metal including chrome and nickel plat ed surfaces 5 Use spray oil as a universal clean er to remove any remaining dirt 6 Touch up minor paint damage caused by s...

Page 76: ...Remove the spark plug cap and spark plug b Pour a teaspoonful of engine oil into the spark plug bore c Install the spark plug cap onto the spark plug and then place the spark plug on the cylinder head so that the electrodes are grounded This will limit spark ing during the next step d Turn the engine over several times with the starter This will coat the cylinder wall with oil e Remove the spark p...

Page 77: ...351 mm 13 82 in Weight With oil and fuel YZ85 71 0 kg 157 lb YZ85LW 73 9 kg 163 lb YZ85LWW 73 9 kg 163 lb YZ85W 71 0 kg 157 lb YZ85W1 71 0 kg 157 lb Engine Engine type Liquid cooled 2 stroke Cylinder arrangement Forward inclined single cylinder Displacement 84 7 cm 5 17 cu in Bore stroke 47 5 47 8 mm 1 87 1 88 in Compression ratio 8 20 1 Starting system Kickstarter Lubrication system Premix Engine...

Page 78: ...mm 3 46 in Front tire Type With tube Size YZ85 70 100 17 40M YZ85LW 70 100 19 42M YZ85LWW 70 100 19 42M YZ85W 70 100 17 40M YZ85W1 70 100 17 40M Manufacturer model YZ85 DUNLOP D739FA ZAF YZ85 DUNLOP D756F AUT BEL CHE DEU DNK ESP FIN FRA GBR GRC IRL NLD NOR PRT SWE YZ85LW DUNLOP D756F YZ85LWW DUNLOP D756F YZ85W DUNLOP D756F YZ85W1 DUNLOP D756F Rear tire Type With tube Size YZ85 90 100 14 49M YZ85LW...

Page 79: ... Telescopic fork Spring shock absorber type Coil spring oil damper Wheel travel 275 0 mm 10 83 in Rear suspension Type Swingarm link suspension Spring shock absorber type Coil spring gas oil damper Wheel travel YZ85 282 0 mm 11 10 in YZ85LW 287 0 mm 11 30 in YZ85LWW 287 0 mm 11 30 in YZ85W 282 0 mm 11 10 in YZ85W1 282 0 mm 11 10 in Electrical system Ignition system CDI U5PA85E0 book Page 3 Thursda...

Page 80: ... identification number is stamped into the steering head pipe Record this number in the space pro vided NOTE The vehicle identification number is used to identify your motorcycle and may be used to register your motor cycle with the licensing authority in your area EAU26460 Model label The model label is affixed to the loca tion shown Record the information on this label in the space provided This...

Page 81: ...tank cap 3 3 H Handlebar switch 3 1 I Identification numbers 9 1 K Kickstarter 3 6 L Labels location of 1 4 M Model label 9 1 P Parking 5 4 Part locations 2 1 Periodic maintenance and lubrication chart 6 2 Pre operation check list 4 2 R Rear suspension lubricating 6 24 S Safety information 1 1 Seat 3 6 Shifting 5 2 Shift pedal 3 1 Shock absorber assembly adjusting 3 9 Sidestand 3 12 Spark plug che...

Page 82: ...YAMAHA MOTOR CO LTD PRINTED ON RECYCLED PAPER PRINTED IN JAPAN 2006 04 1 4 1 CR E U5PA85E0 book Page 1 Thursday April 13 2006 3 06 PM ...

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