KAYO MOTOR A180, Service Manual, Page: 109 / 213

3.Lubrication system
Operational notes:
General matters
This section covers the maintenance work of the oil pump, engine oil and gear oil.
Specification
Engine oil capacity:
Decompose 900c.c.
Replace 850c.c.
Use oil viscosity SF MA 15W-40 or equivalent
Item
Item Standard value Available limit
Oil pump
Inner and outer rotor clearance - 0.12
Outer rotor body clearance - 0.12
Clearance between rotor end
face and body 0.05~0.10 0.20
Unit:mm
Torque value
Oil drain bolt 3.5-4.5 kgf-m
Oil filter cover 1.3-1.7 kgf-m
Gear oil drain bolt 0.8-1.2 kgf-m
Gear oil filling bolt 1.0-1.4 kgf-m
Troubleshooting
Oil level is too low
Engine oil is leaking.
Worn valve casing or oil seal.
Oil pollution
Oil was not changed on time
Damaged cylinder head gasket
Piston ring wear
Insufficient oil pressure
Oil level is too low
Blockage of oil filter, oil line and oil pipe
Oil viscosity