3-4
MAINTENANCE INTERVALS FOR COMPETITION USE
VALVE LIFTERS
Inspect
●
Check for scratches and wear.
Replace
●
CAMSHAFTS
Inspect the camshaft surface.
Inspect
●
Inspect the decompression system.
Replace
●
CAMSHAFT SPROCKETS
Inspect
●
Check for wear on the teeth and for
damage.
Replace
●
PISTON
Inspect
●
●
Inspect crack.
Clean
●
Inspect carbon deposits and eliminate
them.
Replace
●
PISTON RING
Inspect
●
Check ring end gap.
Replace
●
●
PISTON PIN
Inspect
●
Replace
●
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
●
●
MUFFLER
Inspect and retighten
●
●
Clean
●
Replace
●
Item
After
break-
in
Every
race
Every
third
(or 500
km)
Every
fifth (or
1,000
km)
As re-
quired
Remarks
Summary of Contents for WR250F(Y) 2009
Page 2: ......
Page 43: ......
Page 71: ...3 18 ENGINE INTAKE EXHAUST...
Page 84: ...3 31 ELECTRICAL Charging method using a variable voltage charger...
Page 85: ...3 32 ELECTRICAL Charging method using a constant voltage charger...
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