Precautions In Operation; Troubleshooting - Sym HD 125 Service Manual

3. LUBRICATION SYSTEM

Precautions in Operation

General Information:
This chapter contains maintenance operation
for the engine oil pump and gear oil
replacement.
Specifications
Engine oil quantity Disassembly: 1000 c.c.
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
Gear oil drain plug
Gear oil inspection bolt
Oil pump connection bolt

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
3-2
To this chapter contents
Change: 800 c.c.
110 c.c.
100 c.c.
Items
1.5~3.0kgf-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
Limit (mm)
0.20
0.25
0.12