Yamaha YZ85(S)/LC, Owner'S Service Manual

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INSP
ADJ
MAINTENANCE INTERVALS
EC300000
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
After
break-in
Every
race
Every
third
race
Every
fifth
race
As re-
quired
Remarks
PISTON
Inspect and clean
Replace
● ●
● ●
Inspect crack
Inspect carbon deposits
and eliminate them
PISTON RING
Inspect
Replace
● ●
● ●
Check ring end gap
PISTON PIN, SMALL END BEARING
Inspect
Replace
●
●
CYLINDER HEAD
Inspect and clean
Retighten
●
● ●
●
Inspect carbon deposits
and eliminate them
Check gasket
CYLINDER
Inspect and clean
Replace
● ●
●
Inspect score marks
Inspect wear
CLUTCH
Inspect and adjust
Replace
● ●
●
Inspect housing, friction
plate, clutch plate and
spring
TRANSMISSION
Replace oil
Inspect
Replace bearing
● ●
●
●
Yamalube 4 (10W-30) or
SAE 10W-30 SE motor oil
SHIFT FORK, SHIFT CAM, GUIDE BAR
Inspect
●
Inspect wear
ROTOR NUT
Retighten
● ●
KICK SHAFT
Inspect idle gear
Replace
●
●
EXHAUST PIPE, SILENCER
Inspect
Clean
● ●
●
CRANK
Inspect and clean
● ●
CARBURETOR
Inspect, adjust and clean
● ●
SPARK PLUG
Inspect and clean
Replace
● ●
●
DRIVE CHAIN
Lubricate, slack, alignment
Replace
● ●
●
Chain slack: 35 ~ 45 mm
(1.4 ~ 1.8 in)