OIL PUMP ENG
INSPECTION
Oil pump
1.Measure:
●Tip clearance a
(between the inner rotor 1 and the outer rotor 2)
●Side clearance b
(between the outer rotor 2 and the
rotor housing 3)
Out of specification → Replace the oil pump assembly.
●Rotor housing and rotor clearance c (between the rotor housing 3 and the
rotors 1 2)
Out of specification → Replace the oil pump assembly.
Tip clearance a:
0.15mm (0.0059 in) <Limit>: 0.2 mm (0.0079 in)
Side clearance b:
0.13~ 0.18 mm (0.0051 ~ 0.0071 in) <Limit>: 0.23 mm (0.0091 in)
Rotor housing and rotor clearance c:
0.06~ 0.10 mm (0.0024 ~ 0.0039 in) <Limit>: 0.15 mm (0.006 in)
Rotary filter and oil strainer
1.Inspect:
●Rotary filter 1
●Oil strainer 2
Damage → Replace.
3Upper side
4 Lower side
ASSEMBLY AND INSTALLATION Rotary filter
1.Install:
● Rotary filter 1
NOTE:
When installing the rotary filter, align the match mark a on the rotary filter with the hole b of the crankshaft.
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