2011 YAMAHA YZ85 steering wheel

TABLE OF CONTENTS
LOCATION OF IMPORTANT
LABELS ............................................1-1
SAFETY INFORMATION .................. 2-1
DESCRIPTION .................................. 3-1
Left view .......................................... 3-1
Right view ........................................ 3-2
Controls and instruments ................3-3
INSTRUMENT AND CONTROL
FUNCTIONS....................................... 4-1
Handlebar switch ............................ 4-1
Clutch lever .................................... 4-1
Shift pedal ......................................4-1
Brake lever ..................................... 4-2
Brake pedal .................................... 4-2
Fuel tank cap .................................. 4-3
Fuel ................................................ 4-3
Fuel tank breather hose ................. 4-5
Fuel cock ........................................ 4-5
Starter (choke) knob ....................... 4-6
Kickstarter ......................................4-6
Seat ................................................ 4-7
Adjusting the front fork ................... 4-7
Front fork bleeding ......................... 4-9
Adjusting the shock absorber
assembly ..................................... 4-9
Removable sidestand ................... 4-12FOR YOUR SAFETY –
PRE-OPERATION CHECKS............. 5-1
OPERATION AND IMPORTANT
RIDING POINTS................................ 6-1
Starting and warming up a cold
engine ......................................... 6-1
Starting a warm engine .................. 6-1
Shifting ........................................... 6-2
Engine break-in .............................. 6-3
Parking ........................................... 6-4
PERIODIC MAINTENANCE AND
ADJUSTMENT................................... 7-1
Periodic maintenance and
lubrication chart .......................... 7-2
Checking the spark plug ................ 7-8
Transmission oil ............................. 7-9
Coolant ........................................ 7-10
Cleaning 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 free
play ........................................... 7-17
Checking the brake lever free
play ........................................... 7-18Checking the shift pedal ............... 7-19
Checking the front and rear brake
pads .......................................... 7-19
Checking the brake fluid level ...... 7-20
Changing the brake fluid .............. 7-21
Drive chain slack .......................... 7-21
Cleaning and lubricating
the drive chain .......................... 7-23
Checking and lubricating
the cables ................................. 7-23
Checking and lubricating
the throttle grip and cable ......... 7-23
Checking and lubricating
the brake and clutch levers ....... 7-24
Checking and lubricating
the brake pedal ......................... 7-24
Lubricating the swingarm pivots ... 7-25
Lubricating the rear suspension ... 7-25
Checking the front fork ................. 7-25
Checking the steering .................. 7-26
Checking the wheel bearings ....... 7-26
Supporting the motorcycle ........... 7-27
Front wheel .................................. 7-27
Rear wheel ................................... 7-28
Troubleshooting ........................... 7-30
Troubleshooting charts ................. 7-31
MOTORCYCLE CARE AND
STORAGE.......................................... 8-1
Matte color caution ......................... 8-1
Care ............................................... 8-1
U5PA89E0.book Page 1 Tuesday, June 15, 2010 10:34 AM

FOR YOUR SAFETY – PRE-OPERATION CHECKS
5-2
5
Rear brakeCheck 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 for leakage.7-19, 7-20
ClutchCheck operation.
Lubricate cable if necessary.
Check lever free play.
Adjust if necessary.7-17
Throttle gripMake sure that operation is smooth.
Check throttle grip free play.
If necessary, have Yamaha dealer adjust throttle grip free play and lubricate cable
and grip housing.7-15, 7-23
Drive chainCheck chain slack.
Adjust if necessary.
Check chain condition.
Lubricate if necessary.7-21, 7-23
Wheels and tiresCheck for damage.
Check tire condition and tread depth.
Check air pressure.
Correct if necessary.
Check for loose spokes and tighten if necessary.7-15, 7-17
Shift pedalMake sure that operation is smooth.
Correct if necessary.7-19
Brake pedalMake sure that operation is smooth.
Lubricate pedal pivoting point if necessary.7-24
Brake and clutch leversMake sure that operation is smooth.
Lubricate lever pivoting points if necessary.7-24
SteeringCheck that the handlebar can be turned smoothly and has no excessive play. 7-26 ITEM CHECKS PAGE
U5PA89E0.book Page 2 Tuesday, June 15, 2010 10:34 AM

PERIODIC MAINTENANCE AND ADJUSTMENT
7-6
7
EAU42011
TIP

Hydraulic brake service
Regularly check and, if necessary, correct the brake fluid levels.
√ √√
√ 24*Drive chain roller and
support guideReplace if necessary. Check for wear or damage.
√
25*Rear suspensionCheck operation and tighten if necessary.
Lubricate with
lithium-soap-based grease
.
NO. ITEM ROUTINEAfter
break-inEvery
raceEvery
third raceEvery
fifth raceAs
required
√
√
√
√ √ √
√ √√ √
√
√
√
√
√ 26*Steering headCheck operation, free play, and tighten if necessary.
Clean and lubricate with lithium-soap-based grease.
Replace bearings.
27*Tires and wheelsCheck 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 ca-
blesLubricate.
29*Throttle gripCheck operation.
Check throttle grip free play, and adjust if necessary.
Lubricate cable and grip housing.
U5PA89E0.book Page 6 Tuesday, June 15, 2010 10:34 AM

PERIODIC MAINTENANCE AND ADJUSTMENT
7-26
7
NOTICE
ECA10590
If any damage is found or the front
fork does not operate smoothly,
have a Yamaha dealer check or re-
pair it.
EAU23283
Checking the steering Worn or loose steering bearings may
cause danger. Therefore, the operation
of the steering 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. (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 try to move them for-
ward and backward. If any free
play can be felt, have a Yamaha
dealer check or repair the steering.
EAU23291
Checking the wheel bearings The front and rear wheel bearings must
be checked at the intervals specified in
the periodic maintenance and lubrica-
tion chart. If there is play in the wheel
hub or if the wheel does not turn
smoothly, have a Yamaha dealer check
the wheel bearings.
U5PA89E0.book Page 26 Tuesday, June 15, 2010 10:34 AM

INDEX
AAir filter element, cleaning .................... 7-12BBrake and clutch levers, checking and
lubricating ........................................... 7-24
Brake fluid, changing ............................ 7-21
Brake fluid level, checking .................... 7-20
Brake lever ............................................. 4-2
Brake lever free play, checking ............ 7-18
Brake pedal ............................................ 4-2
Brake pedal, checking and
lubricating ........................................... 7-24CCables, checking and lubricating .......... 7-23
Carburetor, adjusting ............................ 7-14
Care ........................................................ 8-1
Clutch lever............................................. 4-1
Clutch lever free play, adjusting ........... 7-17
Coolant ................................................. 7-10DDrive chain, cleaning and lubricating .... 7-23
Drive chain slack .................................. 7-21EEngine break-in ...................................... 6-3
Engine idling speed .............................. 7-14
Engine, starting a warm .......................... 6-1
Engine stop button.................................. 4-1FFront and rear brake pads, checking .... 7-19
Front fork, adjusting ................................ 4-7
Front fork, bleeding................................. 4-9
Front fork, checking .............................. 7-25
Fuel......................................................... 4-3
Fuel cock ................................................ 4-5Fuel tank breather hose .......................... 4-5
Fuel tank cap........................................... 4-3
HHandlebar switch..................................... 4-1IIdentification numbers ........................... 10-1KKickstarter ............................................... 4-6LLabels, location .......................................1-1MMatte color, caution .................................8-1
Model label ............................................ 10-1PParking ....................................................6-4
Part locations .......................................... 3-1
Periodic maintenance and lubrication
chart ......................................................7-2RRear suspension, lubricating ................. 7-25SSafety information ...................................2-1
Seat ......................................................... 4-7
Shifting ....................................................6-2
Shift pedal ............................................... 4-1
Shift pedal, checking ............................. 7-19
Shock absorber assembly, adjusting ...... 4-9
Sidestand .............................................. 4-12
Spark plug, checking ...............................7-8
Specifications .......................................... 9-1
Starter (choke) knob................................ 4-6
Starting and warming up a cold engine ... 6-1
Steering, checking.................................7-26
Storage....................................................8-3Supporting the motorcycle .................... 7-27
Swingarm pivots, lubricating ................. 7-25
TThrottle grip and cable, checking and
lubricating ........................................... 7-23
Throttle grip free play, adjusting ........... 7-15
Tires ...................................................... 7-15
Transmission oil ...................................... 7-9
Troubleshooting .................................... 7-30
Troubleshooting charts ......................... 7-31VVehicle identification number ................ 10-1WWheel bearings, checking..................... 7-26
Wheel (front) ......................................... 7-27
Wheel (rear) .......................................... 7-28
Wheels .................................................. 7-17
U5PA89E0.book Page 1 Tuesday, June 15, 2010 10:34 AM