Removing The Oil Pan; Checking The Oil Pump; Checking The Relief Valve - Yamaha 2007 FZ6-NA Service Manual

EAS24930

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.
EAS24960

CHECKING THE OIL PUMP

1. Check:
• Oil pump driven gear "1"
• Oil pump rotor housing "2"
• Oil pump cover
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"
Inner-rotor-to-outer-rotor-tip
clearance
0.030–0.090
0.0035 in)
Limit
0.15 mm (0.0059 in)
Outer-rotor-to-oil-pump-hous-
ing clearance
0.030–0.080
0.0032 in)
Limit
0.150 mm (0.0059 in)
1. Inner rotor
2. Outer rotor
3. Oil pump housing
3. Check:
• Oil pump operation
Rough movement → Repeat steps (1) and
(2) or replace the defective part(s).
EAS24970

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).
5-43
OIL PUMP
mm (0.0012–
mm (0.0012–