Yamaha YZ85(A) Owner'S Manual Download

Page: 75 / 86

PERIODIC MAINTENANCE AND ADJUSTMENT

7-31

EAU41492

Troubleshooting charts

Starting problems or poor engine performance

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.

U5PA89E0.book Page 31 Tuesday, June 15, 2010 10:34 AM

Summary of Contents for YZ85(A)

Page 1: ...AIRE BEDIENUNGSANLEITUNG Il convient de lire attentivement ce manuel avant la pre mi re utilisation du v hicule Bitte lesen Sie diese Bedienungsanleitung sorgf ltig durch bevor Sie das Fahrzeug in Bet...

Page 2: ...PRINTED ON RECYCLED PAPER IMPRIM SUR PAPIER RECYCL AUF RECYCLINGPAPIER GEDRUCKT YAMAHA MOTOR CO LTD PRINTED IN JAPAN 2010 06 0 4 1 CR E F G DIC183...

Page 3: ...Read this manual carefully before operating this vehicle OWNER S MANUAL YZ85 A YZ85LW A 5PA 28199 89 E0 U5PA89E0 book Page 1 Tuesday June 15 2010 10 34 AM...

Page 4: ...EAU46090 Read this manual carefully before operating this vehicle This manual should stay with this vehicle if it is sold U5PA89E0 book Page 1 Tuesday June 15 2010 10 34 AM...

Page 5: ...nor discrepancies between your motorcycle and this manual If there is any question concerning this manual please consult a Yamaha dealer WARNING EWA10031 Please read this manual carefully and complete...

Page 6: ...has the ability to operate the motorcycle safely Motorcycles are single track vehicles Their safe use and operation are dependent upon the use of proper riding techniques as well as the expertise of...

Page 7: ...y all safety messages that follow this symbol to avoid possible injury or death A WARNING indicates a hazardous situation which if not avoided could result in death or serious injury A NOTICE indicate...

Page 8: ...S MANUAL 2010 by Yamaha Motor Co Ltd 1st edition June 2010 All rights reserved Any reprinting or unauthorized use without the written permission of Yamaha Motor Co Ltd is expressly prohibited Printed...

Page 9: ...ing the air filter element 7 12 Adjusting the carburetor 7 14 Adjusting the engine idling speed 7 14 Adjusting the throttle grip free play 7 15 Tires 7 15 Spoke wheels 7 17 Adjusting the clutch lever...

Page 10: ...TABLE OF CONTENTS Storage 8 3 SPECIFICATIONS 9 1 CONSUMER INFORMATION 10 1 Identification numbers 10 1 U5PA89E0 book Page 2 Tuesday June 15 2010 10 34 AM...

Page 11: ...ntain important information for safe and proper operation of your vehicle Never remove any labels from your vehicle If a label becomes difficult to read or comes off a replacement label is available f...

Page 12: ...e respecte toutes les exigences du R glement sur le mat riel brouilleur du Canada WARNING BEFORE YOU OPERATE THIS VEHICLE READ THE OWNER S MANUAL AND ALL LABELS NEVER CARRY A PASSENGER You increase yo...

Page 13: ...ER UN CASQUE DE MOTOCYCLISTE APPROUVE des lunettes et des v tements de protection EXCLUSIVEMENT POUR L USAGE D UN CONDUCTEUR EXPERIMENTE 5PA 2118K 10 Cold tire normal pressure should be set as follows...

Page 14: ...LOCATION OF IMPORTANT LABELS 1 4 1 For Europe 1 2 3 U5PA89E0 book Page 4 Tuesday June 15 2010 10 34 AM...

Page 15: ...NT LABELS 1 5 1 For Europe 5PG 2816R 00 100 kPa 1 00 kgf cm 15 psi 100 kPa 1 00 kgf cm 15 psi 4AA 22259 40 YAMAHA MOTOR CO LTD SHIZUOKA JAPAN YAMAHA 4GB 2155A 00 2 1 3 U5PA89E0 book Page 5 Tuesday Jun...

Page 16: ...itrogen gas Mishandling can cause an explosion Do not incinerate puncture or open Turn off the main switch after riding to avoid draining the battery Use unleaded gasoline only Measure the tire pressu...

Page 17: ...LOCATION OF IMPORTANT LABELS 1 7 1 For Oceania and South Africa 1 2 3 U5PA89E0 book Page 7 Tuesday June 15 2010 10 34 AM...

Page 18: ...er NEVER OPERATE THIS VEHICLE ON PUBLIC ROADS You can collide with another vehicle if you operate this vehicle on a public road ALWAYS WEAR AN APPROVED MOTORCYCLE HELMET eye protection and protective...

Page 19: ...ly therefore it is illegal to operate it on public streets roads or highways even a dirt or gravel one Off road use on public lands may be illegal Please check local regulations before riding This mot...

Page 20: ...ves etc is effective in preventing or reducing abrasions or lacerations Never wear loose fitting clothes otherwise they could catch on the control levers footrests or wheels and cause injury or an acc...

Page 21: ...design or operation characteristics can put you and others at greater risk of serious injury or death You are responsible for injuries related to changes in the vehicle Keep the following guidelines...

Page 22: ...ck that the fuel cock if equipped is in the OFF position and that there are no fuel leaks Point the front wheel straight ahead on the trailer or in the truck bed and choke it in a rail to pre vent mov...

Page 23: ...uel cock page 4 5 3 Shock absorber assembly spring preload adjusting nut page 4 9 4 Air filter element page 7 12 5 Seat page 4 7 6 Shift pedal page 4 1 7 Throttle stop screw page 7 14 8 Starter choke...

Page 24: ...crew page 4 7 4 Bleed screw page 4 9 5 Front fork compression damping force adjusting screw page 4 7 6 Spark plug cap page 7 8 7 Transmission oil filler cap page 7 9 8 Coolant drain bolt page 7 11 9 B...

Page 25: ...3 EAU10430 Controls and instruments 1 Clutch lever page 4 1 2 Engine stop button page 4 1 3 Brake lever page 4 2 4 Throttle grip page 7 15 5 Fuel tank cap page 4 3 U5PA89E0 book Page 3 Tuesday June 1...

Page 26: ...gage 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 EAU12871 Shift pedal...

Page 27: ...he handlebar grip turn the adjusting bolt in direction a to increase the distance and in direc tion b to decrease it 4 Tighten the locknut 5 Slide the rubber cover to its origi nal position EAU12941 B...

Page 28: ...fuel tank with a 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 t...

Page 29: ...hese instructions 1 Before refueling turn off the en gine and be sure that no one is sit ting on the vehicle Never refuel while smoking or while in the vi cinity of sparks open flames or other sources...

Page 30: ...t blocked and clean it if necessary TIP If the fuel tank breather hose falls out reinstall it on the fuel tank cap with the arrow mark on the one way valve point ed downward as shown EAU41280 Fuel coc...

Page 31: ...rection b to turn off the starter choke EAU13650 Kickstarter To start the engine fold out the kick starter lever move it down lightly with your foot until the gears engage and then push it down smooth...

Page 32: ...ual ly otherwise poor handling and loss of stability may result This front fork is equipped with rebound damping force adjusting screws and compression damping force adjusting screws NOTICE ECA10101 T...

Page 33: ...ctual number of clicks always represents the entire adjusting range To obtain a precise adjustment it would be advisable to check the num ber of clicks of each damping force ad justing mechanism and t...

Page 34: ...bleed screws and al low all of the air to escape from each fork leg 3 Install the bleed screws EAU41333 Adjusting the shock absorber assembly This shock absorber assembly is equipped with a spring pr...

Page 35: ...ified torque ECA10121 Rebound damping force To increase the rebound damping force and thereby harden the rebound damp ing turn the adjusting screw in direction a To decrease the rebound damping force...

Page 36: ...er high heat source This may cause the unit to ex plode due to excessive gas pressure Do not deform or damage the cylinder in any way Cylinder damage will result in poor damping performance Do not dis...

Page 37: ...stand TIP 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 sid...

Page 38: ...lowing points ITEM CHECKS PAGE Fuel Check fuel level in fuel tank Always use a fresh mixture of gasoline and oil Check fuel line for leakage Check fuel tank breather hose for obstructions cracks or da...

Page 39: ...and lubricate cable and grip housing 7 15 7 23 Drive chain Check chain slack Adjust if necessary Check chain condition Lubricate if necessary 7 21 7 23 Wheels and tires Check for damage Check tire con...

Page 40: ...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 front forks travel up and down Lubricate moving parts and...

Page 41: ...etely close the throttle See page 4 6 4 Start the engine by pushing the kickstarter lever down 5 When the engine is warm turn the starter choke off TIP The engine is warm when it responds quickly to t...

Page 42: ...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 O...

Page 43: ...full throttle operation should be avoided Stop the engine and check the spark plug again 6 Allow the engine to cool remove the cylinder head and cylinder and inspect the piston and cylinder Remove an...

Page 44: ...vehi cle EAU17191 Parking When parking stop the engine and then turn the fuel cock lever to OFF WARNING EWA10311 Since the engine and exhaust system can become very hot park in a place where pedestri...

Page 45: ...operly maintain the ve hicle or performing maintenance ac tivities incorrectly may increase your risk of injury or death during service or while using the vehicle If you are not familiar with vehicle...

Page 46: ...tervals 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...

Page 47: ...ust 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 Roto...

Page 48: ...ondition 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 radia...

Page 49: ...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 Afte...

Page 50: ...As required 26 Steering 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 r...

Page 51: ...7 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 U5PA89E0 boo...

Page 52: ...rk plug 1 Check 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 TIP If the spark plug shows a di...

Page 53: ...he 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...

Page 54: ...ervals specified in the periodic maintenance and lubrication chart EAUM1294 To check the coolant level 1 Place the vehicle on a level sur face and hold it in an upright posi tion 2 Remove the radiator...

Page 55: ...mpt to re move the radiator cap when the engine is hot EWA10381 4 After the coolant is completely drained thoroughly flush the cool ing system with clean tap water 5 Install the coolant drain bolt and...

Page 56: ...n the periodic maintenance and lubrica tion chart Clean or if necessary re place the air filter element more frequently if you are riding in unusually wet or dusty areas 1 Remove the seat See page 4 7...

Page 57: ...stall the wing bolt and its washer NOTICE Make sure that the air filter ele ment is properly seated in the air filter case The engine should never be operated with out the air filter element in stalle...

Page 58: ...he 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 EAU...

Page 59: ...lide the rubber cover to its original po sition EAU41821 Tires To maximize the performance durabil ity and safe operation of your motorcy cle note the following points regarding the specified tires Ti...

Page 60: ...make and design other wise the handling characteristics of the vehicle may be different which could lead to an accident After extensive tests only the tires list ed below have been approved for this m...

Page 61: ...eels The wheel rims should be checked for cracks bends warpage or oth er damage and the spokes for looseness or damage before each ride If any damage is found have a Yamaha dealer replace the wheel Do...

Page 62: ...clutch cable and then slide the rubber cover to its original position 8 Tighten the locknut at the clutch le ver and then slide the rubber cov er to its original position EAU37913 Checking the brake l...

Page 63: ...ear 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 EAU22410 Front brake pads Each front brake pad is pr...

Page 64: ...s ing it to become ineffective Before riding check that the brake fluid is above the minimum level mark and replenish if necessary A low brake fluid level may indicate worn brake pads and or brake sys...

Page 65: ...art In addition have the oil seals of the master cylinders and calipers as well as the brake hoses re placed at the intervals listed below or whenever they are damaged or leak ing Oil seals Replace ev...

Page 66: ...k will overload the en gine as well as other vital parts of the motorcycle and can lead to chain slippage or breakage To prevent this from occurring keep the drive chain slack with in the specified li...

Page 67: ...ecked before each ride and the ca bles and cable ends should be lubricat ed if necessary If a cable is damaged or does not move smoothly have a Yamaha dealer check or replace it WARNING Damage to the...

Page 68: ...the lever pivots should be lu bricated if necessary EAU23182 Checking and lubricating the brake pedal The operation of the brake pedal should be checked before each ride and the pedal pivot should be...

Page 69: ...t fork must be checked as follows at the intervals specified in the periodic main tenance and lubrication chart To check the condition Check the inner tubes for scratches damage and excessive oil leak...

Page 70: ...f the ground See page 7 27 for more information WARNING To avoid injury securely support the vehicle so there is no danger of it falling over EWA10751 2 Hold the lower ends of the front fork legs and...

Page 71: ...by placing a jack un der the frame in front of the rear wheel 2 Raise the front wheel off the ground by using a motorcycle stand To service the rear wheel Raise the rear wheel off the ground by using...

Page 72: ...t is on the ground install the remov able sidestand and then rest the motorcycle on it 4 Install the washer and axle nut and then tighten the axle nut to the specified torque EAU25080 Rear wheel EAU41...

Page 73: ...e wheel has been removed to gether with the brake disc oth erwise the brake pads will be forced shut ECA11071 EAU41325 To install the rear wheel 1 Install the drive chain onto the rear sprocket 2 Inst...

Page 74: ...otorcycle 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 me...

Page 75: ...ssion 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 th...

Page 76: ...s stopped press down on the cap while turning it counterclockwise and then remove the cap TIP If coolant is not available tap water can be temporarily used instead provided that it is changed to the r...

Page 77: ...utlet with a plastic bag after the engine has cooled down 2 Make sure that all caps and covers as well as all electrical couplers and connectors including the spark plug cap are tightly in stalled 3 R...

Page 78: ...onge and then rinse thoroughly with clean water Use a toothbrush or bottlebrush for hard to reach areas Stubborn dirt and insects will come off more easily if the area is covered with a wet cloth for...

Page 79: ...abrasive polishing compounds as they will wear away the paint TIP Consult a Yamaha dealer for advice on what products to use EAU41514 Storage Short term Always store your motorcycle in a cool dry plac...

Page 80: ...urn the engine over several times with the starter This will coat the cylinder wall with oil e Remove the spark plug cap from the spark plug and then install the spark plug and the spark plug cap WARN...

Page 81: ...mm 15 47 in Weight Curb weight YZ85 71 kg 157 lb YZ85A 71 kg 157 lb YZ85LW 73 kg 161 lb YZ85LWA 73 kg 161 lb Engine Engine type Liquid cooled 2 stroke Cylinder arrangement Single cylinder Displacement...

Page 82: ...cturer model YZ85 DUNLOP D739FA ZAF YZ85 DUNLOP D756F AUT BEL CHE DEU DNK ESP FIN FRA GBR GRC IRL ITA NLD NOR POL PRT SVN SWE YZ85A DUNLOP D756F YZ85LW DUNLOP D739FA ZAF YZ85LW DUNLOP D756F AUT BEL CH...

Page 83: ...pring 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 YZ85A 282 0 mm 1...

Page 84: ...e identification number is stamped into the steering head pipe Record this number in the space pro vided TIP The vehicle identification number is used to identify your motorcycle and may be used to re...

Page 85: ...cap 4 3 H Handlebar switch 4 1 I Identification numbers 10 1 K Kickstarter 4 6 L Labels location 1 1 M Matte color caution 8 1 Model label 10 1 P Parking 6 4 Part locations 3 1 Periodic maintenance an...

Page 86: ...YAMAHA MOTOR CO LTD PRINTED ON RECYCLED PAPER PRINTED IN JAPAN 2010 06 0 4 1 CR E U5PA89E0 book Page 1 Tuesday June 15 2010 10 34 AM...

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