Checking The Oil Pump - Yamaha XJR1300(L) 99 Service Manual

OIL PUMP
EAS00364

CHECKING THE OIL PUMP

1. Check:
S oil pump drive gear 1
S oil pump driven gear 2
S oil pump housing 3
S oil pump housing cover 4
Cracks/damage/wear ! Replace the de-
fective part(-s).
2. Measure:
S inner-rotor to outer-rotor tip clearance A
S outer-rotor to oil-pump-housing clearance B
S oil-pump-housing to inner-rotor and outer-
rotor clearance C
Outer of specification ! Replace the oil
pump.
1 Inner rotor
2 Outer rotor
3 Oil pump housing
Inner-rotor to outer-rotor tip
clearance
0.12 X 0.17 mm <Limit 0.2 mm>
Outer-rotor to oil-pump-housing
clearance
0.03 X 0.08 mm <Limit 0.15 mm>
Oil-pump-housing to inner-rotor
and outer-rotor clearance
0.03 X 0.08 mm <Limit 0.15 mm>
3. Check:
S oil pump operation
Unsmooth ! Repeat steps (1) and (2) or re-
place the defective part(-s).
4-54
ENG