REGULAR INSPECTION AND ADJUSTMENTS
MAINTENANCE INTERVALS
The following schedule is intended as a general guide to maintenance and lubrication. Bear in mind
that such factors as weather, terrain, geographical location, and individual usage will alter the re-
quired maintenance and lubrication intervals. If you are a doubt as to what intervals to follow in main-
taining and lubricating your machine, consult your Yamaha dealer.
Item
PISTON
Inspect and clean
Replace
PISTON RING
Inspect
Replace
PISTON PIN, SMALL END
BEARING
Inspect
Replace
CYLINDER HEAD
Inspect and clean
Retighten
CYLINDER
Inspect and clean
Replace
YPVS
Inspect and clean
CLUTCH
Inspect and adjust
Replace
TRANSMISSION
Replace oil
Inspect
Replace bearing
SHIFT FORK, SHIFT CAM,
GUIDE BAR
Inspect
After
Every
Every
Every
break
race
third
-in
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3-1
MAINTENANCE INTERVALS
As re-
quired
fifth
Inspect crack.
Inspect carbon deposits and
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eliminate them.
Check ring end gap.
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Inspect carbon deposits and
eliminate them.
Check gasket.
Inspect score marks.
Inspect wear.
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Inspect carbon deposits and
eliminate them.
Inspect housing, friction plate,
clutch plate and spring.
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Yamalube 4 (10W-40) or SAE
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10W-40 SE motor oil
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Inspect wear
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Remarks