Sym GTS 250 - 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: 1200c.c.
Oil viscosity SAE 10W-30 (Recommended
King serial oils)
Gear oil Disassembly: 180c.c.
Change: 170c.c.
Gear oil viscosity SAE 140
(Recommended SYM Hypoid gear oils)
Unit: mm
Items
Standard (mm)
Limit (mm)
Oil pump
Inner rotor clearance
0.15
0.20
Clearance between outer rotor and body
0.15~0.20
0.25
Clearance between rotor side and body
0.04~0.09
0.12
Torque value
Torque value oil strainer cap 1.3~1.7kgf-m
Engine oil drain bolt 3.5~4.5kgf-m
Gear oil drain bolt 1.1~1.5kgf-m
Gear oil join bolt 1.0~1.4kgf-m
Oil pump connection screw 0.1~0.3kgf-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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