Lubrication System Specifications; Lubrication System Troubleshooting - Eton VECTOR ST 250 Service Manual

4-2 Precautions in Operation
General Information:
This chapter contains maintenance operation
for the engine oil pump and gear oil
replacement.
Specifications
Engine oil quantity
Oil viscosity SAE 10W-30 (Recommended
King serial oils)
Gear oil Disassembly:
Change:
Gear oil viscosity SAE 140
(Recommended SYM Hypoid gear oils)
Inner rotor clearance
Oil pump
Clearance between outer rotor and body
Clearance between rotor side and body
Torque value
Torque value oil strainer cap
Engine oil drain bolt
Gear oil drain bolt
Gear oil join bolt
Oil pump connection bolt
4-3 Troubleshooting
Low engine oil level
Oil leaking
Valve guide or seat worn out
Piston ring worn out
Low oil pressure
Low engine oil level
Clogged in oil strainer, circuits or pipes
Oil pump damage
Disassembly: 1400 c.c.
Change: 1200c.c.
750c.c.
650c.c.
Items
1.5~3.0kgf-m
1.9~2.5kgf-m
1.0~1.5kgf-m
1.0~1.5kgf-m
0.8~1.2kgf-m
³ æ ¦ ì :mm
Standard (mm)
0.15
0.15~0.20
0.04~0.09
Dirty oil
No oil change in periodical
Cylinder head gasket damage
Piston ring worn out
17
Limit (mm)
0.20
0.25
0.12