Removing The Oil Pan; Checking The Oil Pump - Yamaha YZF-R1K Service Manual

4
OIL PAN AND OIL PUMP
EB411100

REMOVING THE OIL PAN

1. Remove:
• oil level switch 1
• oil pan 2
• oil pan gasket
• dowel pins
NOTE:
Loosen each bolt 1/4 of a turn at a time,
in stages and in a crisscross pattern.
After all of the bolts are fully loosened,
remove them.
EB411400

CHECKING THE OIL PUMP

1. Check:
• oil/water pump assembly driven
sprocket 1
• oil pump housing 2
Cracks/damage/wear → Replace the
defective part(-s).
2. Measure:
• inner-rotor-to-outer-rotor-tip clear-
ance a
• outer-rotor-to-oil-pump-housing clear-
ance 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-hous-
ing clearance
0.03 ~ 0.08 mm
(0.001 ~ 0.003 in)
4 - 54
ENG