Checking The Relief Valve; Checking The Oil Strainer; Assembling The Oil Pump - Yamaha YFM660FS Grizzly 4x4 Supplementary Service Manual

CRANKSHAFT AND OIL PUMP

CHECKING THE RELIEF VALVE

1.Check:
Relief valve body 1
G
Relief valve 2
G
Spring 3
G
O-ring 4
G
Damage/wear → Replace the defective
parts(s).

CHECKING THE OIL STRAINER

1.Check:
Oil strainer 1
G
O-ring 2
G
Damage → Replace.
Contaminants → Clean with engine oil.

ASSEMBLING THE OIL PUMP

1.Install:
Inner rotor
G
Outer rotor
G
Oil pump shaft
G
(with the recommended lubricant)
4 - 75
ENG
Recommended lubricant:
Engine oil