3-1
MAINTENANCE INTERVALS
INSP
ADJ
EC300000
REGULAR INSPECTION AND ADJUSTMENTS
EC310052
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 required
maintenance and lubrication intervals. If you are a doubt as to what intervals to follow in maintaining
and lubricating your machine, consult your Yamaha dealer.
Item Remarks
PISTON
Inspect and clean
Inspect crack
ReplaceRemove carbon
PISTON RING
InspectCheck ring end gap
Replace
PISTON PIN, SMALL END BEARING
Inspect
Replace
CYLINDER HEAD
Inspect and cleanRemove carbon
RetightenCheck gasket
CYLINDER
Inspect and clean
Inspect score marks
ReplaceInspect wear
YPVS
Inspect and clean
CLUTCHInspect housing, friction
Inspect and adjustplate, clutch plate and
Replacespring
TRANSMISSION
Replace oilYamalube 4 (10W-30) or
InspectSAE 10W-30 SE motor oil
Replace bearing
SHIFT FORK, SHIFT CAM, GUIDE BAR
InspectInspect wear
ROTOR NUT
Retighten
MUFFLER
Inspect
Clean
CRANK
Inspect and clean
CARBURETOR
Inspect, adjust and clean
SPARK PLUG
Inspect and clean
Replace
DRIVE CHAIN Use chain lube
Lubricate, slack, alignmentChain slack: 40~50 mm
Replace(1.6~2.0 in)
After
break-
inEvery
raceEvery
thirdEvery
fifthAs re-
quired
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