Sym Citycom 300i - Precautions in Operation; Troubleshooting

3. LUBRICATION SYSTEM
3-2
Precautions in Operation
General Information:
 This chapter contains maintenance operation
for the engine oil pump and gear oil
replacement.
Specifications
Engine oil quantity Disassembly: 1400 c.c.
Change: 1200 c.c.
Oil viscosity SAE 10W-40 API SL
(Recommended LIQUI
MOLY Racing 4T 10W-40)
Gear oil Disassembly: 180 c.c.
Change: 160 c.c.
Gear oil viscosity SAE 75W-90 GL4/5
(Recommended LIQUI MOLY gear oil.)
Items Standard (mm) Limit (mm)
Inner rotor clearance 0.15 0.20
Clearance between outer rotor and body 0.15~0.20 0.25
Oil pump
Clearance between rotor side and body 0.04~0.09 0.12
Torque value
Torque value oil strainer cap 1.5~3.0kgf-m
Gear oil drain plug 1.0~1.5kgf-m
Gear oil inspection bolt 1.0~1.5kgf-m
Oil pump connection bolt 0.8~1.2kgf-m
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
Dirty oil
 No oil change in periodical
 Cylinder head gasket damage
 Piston ring worn out
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