Page 45 of 106

6
PERIODIC MAINTENANCE AND MINOR REPAIR
Owner’s tool kit .................................................... 6-1
Periodic maintenance and lubrication chart ......... 6-2
Removing and installing panels ........................... 6-5
Checking the spark plugs .................................... 6-7
Engine oil and oil filter element ............................ 6-9
Final gear oil ...................................................... 6-11
Cleaning the air filter element ............................ 6-13
Adjusting the carburetors ................................... 6-14
Adjusting the engine idling speed ...................... 6-15
Adjusting the throttle cable free play .................. 6-15
Adjusting the valve clearance ............................ 6-16
Tires ................................................................... 6-16
Spoke wheels .................................................... 6-19
Adjusting the clutch lever free play .................... 6-19
Adjusting the brake lever free play ..................... 6-20
Adjusting the brake pedal position and
free play ........................................................... 6-21
Adjusting the rear brake light switch .................. 6-22
Checking the front brake pads and
rear brake shoes .............................................. 6-23
Checking the brake fluid level ............................ 6-24
Changing the brake fluid .................................... 6-25Checking and lubricating the cables ................. 6-25
Checking and lubricating the throttle grip and
cable ............................................................... 6-25
Checking and lubricating the brake and
shift pedals ...................................................... 6-26
Checking and lubricating the brake and
clutch levers .................................................... 6-26
Checking and lubricating the sidestand ............ 6-27
Checking the front fork ...................................... 6-27
Checking the steering ....................................... 6-28
Checking the wheel bearings ............................ 6-29
Battery ............................................................... 6-29
Replacing the fuses .......................................... 6-31
Replacing the headlight bulb ............................. 6-32
Replacing a turn signal light bulb or the tail/
brake light bulb ................................................ 6-33
Supporting the motorcycle ................................ 6-34
Front wheel ....................................................... 6-35
Rear wheel ........................................................ 6-36
Troubleshooting ................................................. 6-38
Troubleshooting chart ........................................ 6-39
E_5bn.book Page 1 Wednesday, October 4, 2000 7:51 PM
Page 48 of 106

PERIODIC MAINTENANCE AND MINOR REPAIR
6-3
6
10
*Wheels• Check runout, spoke tightness and for damage.
• Tighten spokes if necessary.ÖÖÖÖ
11*Tires• Check tread depth and for damage.
• Replace if necessary.
• Check air pressure.
• Correct if necessary.ÖÖÖÖ
12*Wheel bearings• Check bearing for looseness or damage.ÖÖÖÖ
13*Swingarm• Check operation and for excessive play.ÖÖÖÖ
• Lubricate with molybdenum disulfide grease. Every 50,000 km
14*Steering bearings• Check bearing play and steering for roughness.ÖÖÖÖÖ
• Lubricate with lithium-soap-based grease. Every 20,000 km
15*Chassis fasteners• Make sure that all nuts, bolts and screws are properly tightened.ÖÖÖÖ Ö
16 Sidestand• Check operation.
• Lubricate.ÖÖÖÖ Ö
17*Sidestand switch• Check operation.ÖÖÖÖÖ Ö
18*Front fork• Check operation and for oil leakage.ÖÖÖÖ
19*Rear shock absorber
assembly• Check operation and shock absorber for oil leakage.ÖÖÖÖ
20*Carburetors• Check starter (choke) operation.
• Adjust engine idling speed and synchronization.ÖÖÖÖÖ Ö
21 Engine oil• Change.ÖÖÖÖÖ Ö
22 Engine oil filter element•Replace.ÖÖÖ
23 Final gear oil• Check oil level and vehicle for oil leakage.ÖÖ Ö
• Change.ÖÖÖ
24*Front and rear brake
switches• Check operation.ÖÖÖÖÖ Ö
25 Moving parts and cables• Lubricate.ÖÖÖÖ Ö NO. ITEM CHECK OR MAINTENANCE JOBODOMETER READING (´1,000 km)
ANNUAL
CHECK
1 10203040
E_5bn_Periodic.fm Page 3 Thursday, December 14, 2000 1:31 PM
Page 73 of 106

PERIODIC MAINTENANCE AND MINOR REPAIR
6-28
6 To check the operation
1. Place the motorcycle on a level
surface and hold it in an upright
position.
2. While applying the front brake,
push down hard on the handle-
bars several times to check if the
front fork compresses and re-
bounds smoothly.
EC000098
CAUTION:@ If any damage is found or the front
fork does not operate smoothly,
have a Yamaha dealer check or re-
pair it. @
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.
E_5bn.book Page 28 Wednesday, October 4, 2000 7:51 PM