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MAINTENANCE INTERVALS
PISTON
Inspect ● Inspect crack.
Clean ● Inspect carbon deposits
and eliminate them.
Replace ●●Replace the piston, pis-
ton pin, piston pin clip,
and piston ring all as a
set.
PISTON RING
Inspect ● Check ring end gap.
Replace ●●Replace the piston, pis-
ton pin, piston pin clip,
and piston ring all as a
set.
PISTON PIN
Inspect ●
Replace ●●Replace the piston, pis-
ton pin, piston pin clip,
and piston ring all as a
set.
CYLINDER HEAD Inspect carbon deposits
and eliminate them.
Inspect and clean ● Change gasket.
CYLINDER
Inspect and clean ● Inspect score marks.
Replace ● Inspect wear.
CLUTCH
Inspect and adjust ●● Inspect housing, friction
plate, clutch plate and
spring.
Replace ●
TRANSMISSION
Inspect ●
Replace bearing ●
SHIFT FORK, SHIFT
CAM, GUIDE BAR
Inspect ● Inspect wear.
ROTOR NUT
Retighten ●●
Item
After
break-in
Every
race
(about
2.5
hours)
Every
third
(about
7.5
hours)
Every
fifth
(about
12.5
hours)
As re-
quired
Remarks
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