Linhai 2005 ATV 260, Service Manual, Page: 88 / 341

CHAPTER 3A ENGINE
260/ 300 cc ATV SERVICE MANUAL07.0
CHAPTER 3 ENGINE PAGE. 3A- 51
OIL PUMP INSPECTION
1. Inspect:
z
Drive gear (oil pump)
c
z
Pump housing
z
Pump housing cover
Wear /cracks/ damage
→
Replace.
2. Measure:
z
Tip clearance
(between the inner rotor
c
and the outer rotor
d
)
z
Side clearance
(between the outer rotor
d
and the pump
housing
e
)
z
Housing and rotor clearance
(between the pump housing
e
and the rotors
c
d
)
Out of specification
→
Replace the oil pump
assembly.
Tip clearance
□
A :
0.10-0.34 mm <Limit: 0.40mm>
Side clearance
□
B :
0.013-0.036mm <Limit:0.15mm>
Housing and rotor clearance
□
C :
0.04-0.09 mm <Limit: 0.15mm>