Yamaha WR250F 2016 Owner's Service Manual page 106

ITEM
COOLING SYSTEM
Check coolant lev-
el and leakage
Check radiator cap
operation
Replace coolant
Inspect hoses
OUTSIDE NUTS
AND BOLTS
Retighten
AIR FILTER
Clean and lubri-
cate
Replace
OIL FILTER
Replace
ENGINE GUARD
Replace
FRAME
Clean and inspect
FUEL TANK, FUEL
PUMP
Clean and inspect
FUEL HOSE
Inspect
Replace
Every
After third
Every
break- (or
race
in 500
km)
PERIODIC MAINTENANCE
Every
fifth
As re-
(or
quired
1,000
km)
3-6
Remarks
Every two years
Refer to "STARTING AND
BREAK-IN" on page 1-30.
Use foam air-filter oil or equiv-
alent oil.
Breakage
Every four years