Oil Pump Removal; Oil Pump Inspection - Yamaha WaveRunner FX140 Service Manual

POWR
7
6
9
8
12
3
11
1
4
OIL PUMP
5
2
10
SERVICE POINTS

Oil pump removal

1. Remove:
• Oil pump assembly
NOTE:
Loosen the oil pump bolts in the sequence
shown.

Oil pump inspection

1. Check:
• Oil pump housing cover 1 1
• Oil pump housing cover 2 2
• Oil pump housing 3
Cracks/damage/wear → Replace the
defective part(s).
2. Measure:
• Inner-rotor-to-outer-rotor-tip clearance
a
• Outer-rotor-to-oil-pump-housing
clearance b
Out of specification → Replace the oil
pump.
1 Inner rotor
2 Outer rotor
3 Oil pump housing
Inner-rotor-to-outer-rotor-tip
clearance:
0.09–0.15 mm (0.004–0.006 in)
Outer-rotor-to-oil-pump-housing
clearance (scavenge pump):
0.09–0.19 mm (0.0035–0.0075 in)
Outer-rotor-to-oil-pump-housing
clearance (feed pump):
0.09–0.17 mm (0.0035–0.0067 in)
5-29
E