Removing The Oil Pan; Checking The Oil Pump; Checking The Relief Valve - Yamaha FZ6RC Service Manual

EAS24930

REMOVING THE OIL PAN

1. Remove:
Oil level switch lead holder
G
Oil level switch "1"
G
Oil pan "2"
G
Oil pan gasket
G
TIP
Loosen each bolt 1/4 of a turn at a time, in stag-
es and in a crisscross pattern. After all of the
bolts are fully loosened, remove them.
EAS24960

CHECKING THE OIL PUMP

1. Check:
Oil pump driven sprocket "1"
G
Oil pump rotor housing "2"
G
Oil pump cover
G
Cracks/damage/wear → Replace the defec-
tive part(s).
2. Measure:
Inner-rotor-to-outer-rotor-tip clearance "a"
G
Outer-rotor-to-oil-pump-housing
G
"b"
Outer-rotor-to-oil-pump-cover clearance
G
1
2
1. Inner rotor
2. Outer rotor
3. Oil pump housing
3. Check:
Oil pump operation
G
Rough movement → Repeat steps (1) and
(2) or replace the defective part(s).
clearance
EAS24970

CHECKING THE RELIEF VALVE

1. Check:
Relief valve body "1"
G
Relief valve "2"
G
Spring "3"
G
O-ring "4"
G
Damage/wear → Replace the defective
part(s).
5-43
OIL PUMP
Inner-rotor-to-outer-rotor-tip
clearance
Less than 0.12 mm (0.0047 in)
Limit
0.20 mm (0.0079 in)
Outer-rotor-to-oil-pump-housing
clearance
0.090–0.150 mm
(0.0035–0.0059 in)
Limit
0.220 mm (0.0087 in)
Oil-pump-housing-to-in-
ner-and-outer-rotor clearance
0.050–0.110 mm
(0.0020–0.0043 in)
Limit
0.180 mm (0.0071 in)