Operational Precautions; Trouble Diagnosis - Sym EuroMX 125 Service Manual

3. Lubrication System

Operational Precautions:

General Information
This chapter contains maintenance operations for the engine oil pump, engine oil and gear oil.
Specifications
Engine oil quantity Disassembly 1000 c.c.
Replacement 800 c.c
Oil viscosity SAE 10W-30 or equivalent
(Recommended King-Mate
serial oils)
Gear Oil Disassembly 110 c.c.
Replacement 100 c.c.
Oil viscosity of gear oil
(Recommended King-Mate
gear oil series SYM
HYPOID GEAR OIL)
Inner rotor clearance
Oil pump
Clearance between outer rotor and body
Clearance between rotor side and body
Torque value
Engine oil drain plug
Engine oil filter cover
Gear oil drain plug
Gear oil filling bolt
Oil pump connection screw

Trouble Diagnosis

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
This chapter Contents
SAE 85W-140
Items
3.5~4.5 kgf-m
1.3~1.7 kgf-m
0.8~1.2 kgf-m
1.0~1.4 kgf-m
0.1~0.3 kgf-m
Oil viscosity
Standard (mm)
-
-
0.05~0.10
Dirty oil
• No oil change in periodical
• Cylinder head gasket damage
•
Piston ring worn out
unit: mm
Limit (mm)
0.12
0.12
0.20