Checking The Sprocket And Chain; Checking The Oil Pump - Yamaha FZ09E Service Manual

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CHECKING THE SPROCKET AND CHAIN
1. Check:
• Oil pump drive sprocket
Refer to "CHECKING THE CLUTCH HOUS-
ING" on page 5-44.
2.
Check:
• Oil pump drive chain
"1"
Damage/stiffness
--+
Replace the oil pump
drive chain and oil pump drive sprocket
(clutch housing) as a set.
''"'''""
CHECKING THE OIL PUMP
1. Check:
• Oil pump driven gear "1"
• Oil pump housing "2"
Cracks/damage/wear
--+
Replace the defec-
tive part(s).
1
2
2. Measure:
• Inner-rotor-to-outer-rotor-tip clearance "a"
• Outer-rotor-to-oil-pump-housing clearance
''b"
• Oil-pump-housing-to-inner-rotor-and-out-
er-rotor clearance "c"
Out
of specification
--+
Replace the defective
part(s).
OIL PUMP
Inner-rotor-to-outer-rotor-tip
c learance
Less than 0.120 mm (0.0047 in)
Limit
0.20
mm (0.0079 in)
Outer-rotor-to-oil-pump-housing
c learance
0.09-0.19
mm (0.0035--0.0075 In)
Limit
0.21 mm (0.0083 in)
Oii-pump-housing-to-in-
ner-and-outer-rotor clearance
O.<MHJ.13 mm (0.0024--0.0051 in)
Limit
0.16 mm (0.0065 in)
1. Inner rotor
2. Outer rotor
3. Oil pu mp housing
3. Check:
5-52
• Oil pump operation
Rough movement
--+
Repeat steps (1) and
(2) or replace the defective part(s).