Page 45 of 102

6
PERIODIC MAINTENANCE AND MINOR REPAIR
Owner’s tool kit .................................................... 6-1
Periodic maintenance and lubrication chart ......... 6-2
Removing and installing the panel ....................... 6-5
Checking the spark plugs .................................... 6-6
Engine oil and oil filter element ............................ 6-7
Cleaning the air filter element ............................ 6-11
Adjusting the carburetors ................................... 6-12
Adjusting the engine idling speed ...................... 6-13
Adjusting the throttle cable free play .................. 6-13
Adjusting the valve clearance ............................ 6-14
Tires ................................................................... 6-14
Cast wheels ....................................................... 6-17
Clutch lever free play ......................................... 6-17
Adjusting the brake pedal position ..................... 6-18
Rear brake light switch adjustment .................... 6-19
Checking the front and rear brake pads ............. 6-19
Checking the brake and clutch fluid levels ......... 6-20
Changing the brake and clutch fluids ................. 6-21
Drive chain slack ................................................ 6-22
Lubricating the drive chain ................................. 6-23
Checking and lubricating the cables .................. 6-24Checking and lubricating the throttle grip and
cable ............................................................... 6-24
Checking and lubricating the brake and
shift pedals ...................................................... 6-25
Checking and lubricating the brake and
clutch levers .................................................... 6-25
Checking and lubricating the centerstand and
sidestand ......................................................... 6-25
Checking the front fork ...................................... 6-26
Checking the steering ....................................... 6-27
Checking the wheel bearings ............................ 6-27
Battery ............................................................... 6-28
Replacing the fuses .......................................... 6-29
Replacing the headlight bulb ............................. 6-30
Replacing a tail/brake light bulb ........................ 6-31
Replacing a turn signal light bulb ...................... 6-31
Front wheel ....................................................... 6-32
Rear wheel ........................................................ 6-34
Troubleshooting ................................................. 6-36
Troubleshooting chart ........................................ 6-37
U5WME0.book Page 1 Monday, July 29, 2002 10:25 AM
Page 48 of 102

PERIODIC MAINTENANCE AND MINOR REPAIR
6-3
6
9
*Brake hosesCheck for cracks or damage.√√√√ √
Replace. (See NOTE on page 6-4.) Every 4 years
10*WheelsCheck runout and for damage.√√√√
11*TiresCheck tread depth and for damage.
Replace if necessary.
Check air pressure.
Correct if necessary.√√√√ √
12*Wheel bearingsCheck bearing for looseness or damage.√√√√
13*SwingarmCheck operation and for excessive play.√√√√
Lubricate with lithium-soap-based grease. Every 50,000 km
14 Drive chainCheck chain slack.
Make sure that the rear wheel is properly aligned.
Clean and lubricate.Every 1,000 km and after washing
the motorcycle or riding in the rain
15*Steering bearingsCheck bearing play and steering for roughness.√√√√√
Lubricate with lithium-soap-based grease. Every 20,000 km
16*Chassis fastenersMake sure that all nuts, bolts and screws are properly
tightened.√√√√ √
17 Sidestand, centerstandCheck operation.
Lubricate.√√√√ √
18*Sidestand switchCheck operation.√√√√√ √
19*Front forkCheck operation and for oil leakage.√√√√
20*Shock absorber
assembliesCheck operation and shock absorbers for oil leakage.√√√√
21*CarburetorsCheck starter (choke) operation.
Adjust engine idling speed and synchronization.√√√√√ √ NO. ITEM CHECK OR MAINTENANCE JOBODOMETER READING (×1,000 km)
ANNUAL
CHECK
1 10203040
U5WME0.book Page 3 Monday, July 29, 2002 10:25 AM
Page 72 of 102
PERIODIC MAINTENANCE AND MINOR REPAIR
6-27
6
EAU00794
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.
EW000115
WARNING
_ Securely support the motorcycle 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 Yamaha
dealer check or repair the steer-
ing.
EAU01144
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.
U5WME0.book Page 27 Monday, July 29, 2002 10:25 AM
Page 99 of 102

INDEX
Starter (choke) lever .............................. 3-11
Starting a cold engine .............................. 5-1
Starting a warm engine ............................ 5-2
Start switch .............................................. 3-5
Steering, checking ................................. 6-27
Storage.................................................... 7-4
Storage compartment ............................ 3-13TTachometer ............................................. 3-3
Tail/brake light bulb, replacing ............... 6-31
Throttle cable free play, adjusting .......... 6-13
Throttle grip and cable, checking and
lubricating............................................ 6-24
Tires ...................................................... 6-14
Tool kit..................................................... 6-1
Troubleshooting..................................... 6-36
Troubleshooting chart ............................ 6-37
Turn signal indicator lights ....................... 3-2
Turn signal light bulb, replacing ............. 6-31
Turn signal switch .................................... 3-4VValve clearance, adjusting ..................... 6-14
Vehicle identification number ................... 9-1WWheel bearings, checking...................... 6-27
Wheel (front).......................................... 6-32
Installing........................................... 6-33
Removing......................................... 6-32
Wheel (rear) .......................................... 6-34
Installing........................................... 6-35
Removing......................................... 6-34
Wheels .................................................. 6-17
U5WME0.book Page 2 Monday, July 29, 2002 10:25 AM