Yamaha WR250FM service manual Maintenance Intervals ADJ, Cooling System

INSP

MAINTENANCE INTERVALS ADJ

Item	After	Every	Every third	Every fifth	As re-	Remarks
	break-in	race	(or	(or	quired
			500 km)	1,000 km)
SHIFT FORK, SHIFT CAM, GUIDE BAR
Inspect						Inspect wear
ROTOR NUT
Retighten
EXHAUST PIPE, SILENCER,
PROTECTOR
Inspect and retighten
Clean
Replace						* Whichever comes first
*SPARK ARRESTER
Clean					(Every six
					months)
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:
Replace						40 ~ 50 mm (1.6 ~ 2.0 in)
COOLING SYSTEM
Check coolant level and leakage
Check radiator cap operation
Replace coolant						Every two years
Inspect hoses
OUTSIDE NUTS AND BOLTS						Refer to “STARTING
Retighten						AND BREAK-IN” section
						in the CHAPTER 1.
AIR FILTER
Clean and lubricate						Use foam air-filter oil or
Replace						equivalent oil
OIL FILTER
Replace
OIL STRAINER (frame)
Clean
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 leakage
Retighten brake disc bolts, caliper
bolts, master cylinder bolts and union
bolts
Replace pads
Replace brake fluid						Every one year

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