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PERIODIC MAINTENANCE AND MINOR REPAIR
Owner’s tool kit .......................................................6-1
Periodic maintenance and lubrication chart ............6-3
Removing and installing cowlings and panels ........6-6
Checking the spark plugs........................................6-9
Engine oil and oil filter cartridge ............................6-12
Chain drive oil .......................................................6-16
Coolant..................................................................6-17
Cleaning the air filter element ...............................6-19
Adjusting the carburetors ......................................6-21
Adjusting the engine idling speed .........................6-21
Adjusting the throttle cable free play .....................6-22
Adjusting the valve clearance ...............................6-22
Tires ......................................................................6-23
Cast wheels ..........................................................6-25
Front and rear brake levers...................................6-25
Checking the front and rear brake pads................6-26
Checking the brake fluid level ...............................6-27
Changing the brake fluid .......................................6-28
Checking and lubricating the throttle grip and
cable ...................................................................6-29
Lubricating the front and rear brake levers ...........6-29
Checking and lubricating the
centerstand and sidestand ..................................6-30
Checking the front fork ..........................................6-30Checking the steering ...........................................6-31
Checking the wheel bearings ................................6-32
Battery...................................................................6-32
Replacing the fuses ..............................................6-34
Replacing a headlight bulb....................................6-35
Troubleshooting ....................................................6-36
Troubleshooting charts .........................................6-37
6
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6-4
PERIODIC MAINTENANCE AND MINOR REPAIR
1
2
3
4
56
7
8
9
8
*Rear brake•Check operation, fluid level and vehicle for fluid leakage.
(See NOTE on page 6-5.)√√√√√ √
•Replace brake pads.Whenever worn to the limit
9*Brake hose•Check for cracks or damage.√√√√ √
•Replace. (See NOTE on page 6-5.)Every 4 years
10*Wheels•Check runout and for damage.√√√√
11*Tires•Check tread depth and for damage.
•Replace if necessary.
•Check air pressure.
•Correct if necessary.√√√√
12*Wheel bearings•Check bearing for looseness or damage.√√√√
13*Steering bearings•Check bearing play and steering for roughness.√√√√√
•Lubricate with lithium-soap-based greaseEvery 20,000 km
14*Chassis fasteners•Make sure that all nuts, bolts and screws are properly tightened.√√√√ √
15 Sidestand/centerstand•Check operation.
•Lubricate.√√√√ √
16*Sidestand switch•Check operation.√√√√√ √
17*Front fork•Check operation and for oil leakage.√√√√
18*Rear shock absorber
assembly•Check operation and shock absorber for oil leakage.√√√√
•Lubricate the pivoting points with lithium-soap-based
grease.√√
19*Carburetors•Adjust engine idling speed and synchronization.√√√√√ √ NO. ITEM CHECK OR MAINTENANCE JOBODOMETER READING (×1,000 km)
ANNUAL
CHECK
1 10203040
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PERIODIC MAINTENANCE AND MINOR REPAIR
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2
3
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7
8
9To check the operation
1. Place the scooter on a level sur-
face 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
rebounds smoothly.
EC000098
cCIf any damage is found or the front
fork does not operate smoothly,
have a Yamaha dealer check or
repair it.
EAU00794
Checking the steeringWorn or loose steering bearings may
cause danger. Therefore, the opera-
tion of the steering must be checked
as follows at the intervals specified in
the periodic maintenance and lubrica-
tion chart.
1. Place a stand under the engine
to raise the front wheel off the
ground.
EW000115
wSecurely support the scooter 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
forward and backward. If any
free play can be felt, have a
Yamaha dealer check or repair
the steering.
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