INSP
ADJ
3-1
MAINTENANCE INTERVALS
EC300000
REGULAR INSPECTION AND ADJUSTMENTS
EC310012
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
Replace
●
●
Remove carbon
PISTON RING
Inspect
●
●
Check ring end gap
Replace
●
●
PISTON PIN, SMALL END BEARING
Inspect
●
Replace
●
CYLINDER HEAD
Inspect and clean
●
●
Remove carbon
Retighten
●
●
Check gasket
CYLINDER
Inspect and clean
●
●
Inspect score marks
Replace
●
Inspect wear
YPVS
Inspect and clean
●
●
CLUTCH
Inspect housing, friction
Inspect and adjust
●
●
plate, clutch plate and
Replace
●
spring
TRANSMISSION
Replace oil
●
●
Yamalube 4 (10W-30) or
Inspect
●
SAE 10W30 SE motor oil
Replace bearing
●
SHIFT FORK, SHIFT CAM, GUIDE BAR
Inspect
●
Inspect 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, alignment
●
●
Chain slack: 40~50 mm
Replace
●
(1.6~2.0 in)
After
break-
in
Every
race
Every
third
Every
fifth
As re-
quired
3
5NX-9-30-3A 6/5/01 3:59 PM Page 2
Summary of Contents for YZ250(P)/LC
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