Yamaha WR45OFR service manual Insp ADJ, Maintenance Intervals

MAINTENANCE INTERVALS

EC300000

REGULAR INSPECTION AND ADJUSTMENTS

MAINTENANCE INTERVALS

INSP

ADJ

The following schedule is intended as a general guide to maintenance and lubrication. Bear in mind that such factors as weather, terrain, geographical location, and individual usage will alter the required maintenance and lubrication intervals. If you are a doubt as to what intervals to follow in maintaining and lubricating your machine, consult your Yamaha dealer.

	After	Every	Every	Every	As re-
Item			third	fifth		Remarks
	break-in	race	(or	(or	quired
			500 km)	1,000 km)
ENGINE OIL
Replace	●			●
VALVES						The engine must be cold.
Check the valve clearances	●		●
						Check the valve seats
Inspect				●
						and valve stems for wear.
Replace					●
VALVE SPRINGS						Check the free length and
Inspect				●
						the tilt.
Replace					●
VALVE LIFTERS						Check for scratches and
Inspect				●
						wear.
Replace					●
CAMSHAFTS						Inspect the camshaft sur-
Inspect				●		face.
Replace					●	Inspect the decompres-
						sion system
CAMSHAFT SPROCKETS						Check for wear on the
Inspect				●
						teeth and for damage.
Replace					●
PISTON						Inspect crack
Inspect				●	●
						Inspect carbon deposits
Clean					●
						and eliminate them.
Replace					●
PISTON RING
Inspect				●		Check ring end gap
Replace				●	●
PISTON PIN
Inspect				●
Replace					●
CYLINDER HEAD						Inspect carbon deposits
Inspect and clean				●		and eliminate them.
						Change gasket
CYLINDER
Inspect and clean				●		Inspect score marks
Replace					●	Inspect wear
CLUTCH						Inspect housing, friction
Inspect and adjust	●	●				plate, clutch plate and
Replace					●	spring
TRANSMISSION
Inspect					●
Replace bearing					●

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