CFMOTO
12-44
Trouble Reason Solution
Engine
overheat
1. Coolant level low
2. Cooling system got bubble
3. Water temp sensor problem
4. Thermostat problem(Not open in high heat)
5. Inspect the leaking hole to see leaking
6. Inspect the pipe and clamp
● Pipe cracked or getting o ld
● Clamp getting loose
7. Water pump impeller broken
8. Water pump gasket leaking
9. Cylinder head gasket leaking
10. Water pump cover drain bolt gasket leaking.
11. Water pump gear wearing cause coolant not
enough.
12. Water pump shaft jammed
Fill
Drain and rell
Replace
Replace
Replace the water seal
Replace
Tighten
Replace
Tighten or replace
Replace
Tighten or replace
Replace
Replace the bad parts
Lubrication
Oil wasting high/Oil pressure low or no oil pressure
1. Inspect the engine oil level to see the crankcase
and oil seal leaking.
● Crankcase damage leaking
● Crankcase bolt loose
● Sealing ring/O-ring/Gasket cracked, old or
damaged
● Piston ring damaged(Blue smoke)
● Piston ring damaged(Pressure low)
● Valve oil seal damaged. Lip crack ed or old.
2. Oil lter jammed
3. Inspect the oil drain bolt
● Case bottom bevel bolt loose
● Oil drain bolt loose or without washer
4. Oil leaking
5. Oil strainer jammed
6. Inspect the oil pump
● Oil pump rotor wearing
● Wasted oil or air inlet cause the oil pump
jammed.
● Oil pump gear damaged.
● Use wrong oil
Replace and reassemble
Tighten
Replace
Replace
Replace
Replace the oil seal
Replace the lter and oil
Tighten
Tighten or install washer
Replace the oil seal
Clean and replace
Replace
Replace
Replace
Use recommend oil
Oil getting white
1. Leaking indicator shows the oil mixed with
water
2. Cylinder gasket damaged or leaking.
3. Cylinder head bolt loose.
4. Oil has dust inside
Replace oil seal and
water seal.
Tighten or replace
Tighten and replace the oil
Replace damaged parts(
Including lter and oil)
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