Yamaha FZS600'98, Service Manual

Page: 162 / 364

4-50
OIL PAN AND OIL STRAINER
ENG
NOTE:
EB411100
REMOVING THE OIL PAN
1. Remove:
oil level switch 1
oil pan 2
gasket
dowel pins
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.
EB411401
CHECKING THE OIL PUMP
1. Check:
oil pump drive gear 1
oil pump driven gear 2
oil pump housing 3
oil pump housing cover 4
Cracks / damage / wear Replace the de-
fective part(-s).
2. Measure:
inner-rotor-to-outer-rotor-tip clearance
A
outer-rotor-to-oil-pump-housing clear-
ance
B
oil-pump-housing-to-inner-rotor-and-out-
er-rotor clearance
C
Out of specification Replace the oil
pump.
1
Inner rotor
2
Outer rotor
3
Oil pump housing
Inner-rotor-to-outer-rotor-tip
clearance
0.03 0.09 mm Limit 0.15 mm
Outer-rotor-to-oil-pump-
housing clearance
0.03 0.08 mm Limit 0.15 mm
Oil-pump-housing-to-inner-
rotor-and-outer-rotor clearance
0.03 0.08 mm Limit 0.15 mm
3. Check:
oil pump operation
Unsmooth
Repeat steps (1) and (2) or
replace the defective part(-s).
EB411410
CHECKING THE RELIEF VALVE
1. Check:
relief valve body 1
relief valve 2
spring 3
O-ring 4
Damage / wear Replace the defective
part(-s).