Yamaha 2011 WR250FA Owner's Service Manual page 81

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MAINTENANCE INTERVALS FOR COMPETITION USE
Item
DRIVE CHAIN
Lubricate, slack, align-
ment
Replace
COOLING SYSTEM
Check coolant level and
leakage
Check radiator cap opera-
tion
Replace coolant
Inspect hoses
OUTSIDE NUTS AND
BOLTS
Retighten
AIR FILTER
Clean and lubricate
Replace
OIL FILTER
Replace
ENGINE GUARD
Replace
FRAME
Clean and inspect
FUEL TANK, COCK
Clean and inspect
BRAKES
Adjust lever position and
pedal height
Lubricate pivot point
Check brake disc surface
Check fluid level and leak-
age
Retighten brake disc bolts,
caliper bolts, master cylin-
der bolts and union bolts
Replace pads
Replace brake fluid
Every
Every
After
Every
third
fifth (or
break
race
(or 500
1,000
-in
km)
3-6
As re-
quired
km)
Use chain lube.
Chain slack: 48–58 mm (1.9–
2.3 in)
Every two years
Refer to "STARTING AND
BREAK-IN" section in the
CHAPTER 1.
Use foam air-filter oil or equiva-
lent oil.
Breakage
Every one year
Remarks

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