Operational Precautions; Trouble Diagnosis - Sym Mio 50 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: HU10U/W 750c.c.
HU05U
Replacement: HU10U/W 650c.c.
HU05U
Oil viscosity: SAE 10W-30 or equivalent
(Recommended King-Mate serial oils)
Gear Oil
Disassembly: HU10U/W 110c.c.
HU05U
Replacement: HU10U/W 100c.c.
HU05U
Oil viscosity of gear oil: SAE 85W-140
(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
Oil draining plug
Oil screen cap
Gear oil draining bolt
Gear oil filling bolt
Oil pump connection screw
Special Service Tools
Strainer cap wrench SYM-ALL12361
One way clutch socket SYM-9020100
Universal fixer SYM-2210100

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
To this chapter contents
800c.c.
700c.c.
100c.c.
90c.c.
Items
3.5~4.5kgf-m
1.3~1.7kgf-m
0.8~1.2kgf-m
1.0~1.4kgf-m
0.1~0.3kgf-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