Yamaha YZ125 2009, Owner'S Service Manual

Page: 54 / 234

3-1
MAINTENANCE INTERVALS
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
After
break
-in
Every
race
Every
third
Every
fifth
As re-
quired
Remarks
PISTON
Inspect and clean
● ●
Inspect crack.
Replace
● ●
Inspect carbon deposits and
eliminate them.
PISTON RING
Inspect
● ●
Check ring end gap.
Replace
● ●
PISTON PIN, SMALL END
BEARING
Inspect
●
Replace
●
CYLINDER HEAD Inspect carbon deposits and
eliminate them.
Inspect and clean
● ●
Check gasket.
Retighten
● ●
CYLINDER
Inspect and clean
● ●
Inspect score marks.
Replace
●
Inspect wear.
YPVS
Inspect and clean
● ●
Inspect carbon deposits and
eliminate them.
CLUTCH
Inspect and adjust
● ●
Inspect housing, friction plate,
clutch plate and spring.
Replace
●
TRANSMISSION
Replace oil
● ●
Yamalube 4 (10W-40) or SAE
10W-40 SE motor oil
Inspect
●
Replace bearing
●
SHIFT FORK, SHIFT CAM,
GUIDE BAR
Inspect
●
Inspect wear