Yamaha LIT-11616-16-02 Removing the Crankshaft, Crankcase separating tool YU-01135-A

CRANKSHAFT AND OIL PUMP

ENG

REMOVING THE CRANKSHAFT

1.Remove:

●Crankshaft seal 1

NOTE:

Mark a note of the position of each crankshaft seal so that they can be installed in the correct place and in the correct direction.

2.Remove:

●Crankshaft

Use a crankcase separating tool 1.

Crankcase separating tool:

P/N. YU-01135-A, 90890-01135

CHECKING THE OIL PUMP

1.Check:

●Oil pump driven gear

●Oil pump housing

●Rotor cover Cracks/wear/damage → Replace.

2.Measure:

●Tip clearance a

(between the inner rotor 1 and the outer rotor 2)

●Side clearance b

(between the outer rotor 2 and the pump

housing 3)

Out of specification → Replace the oil pump.

Tip clearance a:

0.15mm (0.006 in) <Limit>: 0.20 mm (0.008 in)

Side clearance b:

0.04~ 0.09 mm (0.002 ~ 0.004 in) <Limit>: 0.16 mm (0.006 in)

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