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ENG
CRANKSHAFT AND OIL PUMP
REMOVING THE CRANKSHAFT
1.Remove:
●
Crankshaft seal 1
N
OTE:
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
:
0.15 mm (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)