3-2
MAINTENANCE INTERVALS
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
●
●
EXHAUST PIPE, SILENCER,
PROTECTOR
Inspect and retighten
●
●
Clean
●
Replace
●
Replace fiber
●
●
*
* When the exhaust sound becomes
louder or when a performance drop is
felt
CRANK
Inspect and clean
●
●
CARBURETOR
Inspect, adjust and clean
●
●
SPARK PLUG
Inspect and clean
●
●
Replace
●
DRIVE CHAIN
Use chain lube.
Lubricate, slack, alignment
●
●
Chain slack: 50–60 mm (2.0–2.4 in)
Replace
●
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
Summary of Contents for YZ250F(Z)
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Page 12: ...1 2 LOCATION OF IMPORTANT LABELS EUROPE...
Page 13: ...1 3 LOCATION OF IMPORTANT LABELS AUS NZ ZA...
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