Regular Inspection And Adjustments; Maintenance Intervals - Yamaha YZ125X1 Owner's Service Manual

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 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
PISTON
Inspect and clean
Replace
PISTON RING
Inspect
Replace
PISTON PIN, SMALL END BEAR-
ING
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
ROTOR NUT
Retighten
MUFFLER
Inspect
Clean
Retighten
CRANK
Inspect and clean
After
Every
Every
break-
third
race
in
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3-1
MAINTENANCE INTERVALS
Every
As re-
fifth
quired
Inspect crack.
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Inspect carbon deposits and eliminate
them.
Check ring end gap.
●
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Inspect carbon deposits and eliminate
them.
Check gasket.
Inspect score marks.
●
Inspect wear.
Inspect carbon deposits and eliminate
them.
Inspect housing, friction plate, clutch
plate and spring.
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Yamalube 4 (10W-30) or SAE 10W-30
SE motor oil
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Inspect wear
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Remarks