KYMCO K-XCT 300i, Owner'S Manual, Page: 652 / 656

14. Troubleshooting K- XCT 300i
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Possible cause
9. Check oil level and condition
Incorrect

Oil level too high

Oil level too low

Contaminated oil
Correct
10. Remove cylinder head cover
Valve train not

Clogged oil
and inspect lubrication lubricated properly

Clogged oil control orifice
Valve train lubricated properly
11. Check for engine overheating
Overheating

Fan motor not working

Excessive carbon build-up in
combustion chamber

Use of poor quality fuel
Not overheating

Wrong type of fuel

Drive and driven pulleys/clutch
slipping
12. Accelerate or run at high Engine knocks

Worn piston and cylinder
speed

Worn type of fuel

Excessive carbon build-up in
combustion chamber

Ignition timing to advanced (faulty
ECU)
Engine does not knock

Lean fuel mixture