3-2
MAINTENANCE INTERVALS
ROTOR NUT
Retighten
●
●
MUFFLER
Inspect
●
●
Clean
●
Retighten
●
●
Replace fiber
● *
* When the exhaust sound be-
comes louder or when a per-
formance 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: 48.0–58.0 mm
(1.89–2.28 in)
Replace
●
COOLING SYSTEM
Check coolant level and
leakage
●
●
Check radiator cap opera-
tion
●
Replace coolant
●
Every two years
Inspect hoses
●
OUTSIDE NUTS AND
BOLTS
Retighten
●
●
Refer to "STARTING AND
BREAK-IN" section in the
CHAPTER 1.
AIR FILTER
Clean and lubricate
●
●
Use foam air-filter oil or equiv-
alent oil.
Replace
●
FRAME
Clean and inspect
●
●
FUEL TANK, COCK
Clean and inspect
●
●
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 2011 YZ250
Page 4: ......
Page 12: ...1 2 LOCATION OF IMPORTANT LABELS EUROPE ...
Page 13: ...1 3 LOCATION OF IMPORTANT LABELS AUS NZ ZA ...
Page 62: ...3 18 CHASSIS ...
Page 153: ...5 40 REAR SHOCK ABSORBER 7 Tighten Bolt air filter joint 1 ...
Page 174: ...PRINTED IN JAPAN E PRINTED ON RECYCLED PAPER ...