Qlink XF200 User Manual page 43

Troubleshooting Table of the Engine
Failures
The engine has
abnormal sound
The engine doe
s not run steadily.
The engine overheats
USER'S MANUAL
Causes
1. The cylinder and piston are seriously
worn out.
2. The needle bearings of the cnnecting
rod are seriously worn out.
3. Excessively early ignition.
4. The combustion chamber has too much
carbon deposit.
5. The spark plug overheats.
1. There is water or dirt in the carburetor.
2. The oil route is clogged.
3. The crankcase leaks.
4. The joint of the carburetor and engine
has leakage.
5. The mixing gas is too thick or too thin.
1. Run for too long time with a lower gear.
2. Overload or run under heavy load for
excessive long time.
3. The mixing gas is too thick or too thin.
4. The engine uses improper machine oil
or the oil in the gearbox is not sufficient.
5. The clutch is slippery.
6. The chain is too tight.
7. The brake can not be released.
1. Replace the cylinder body and piston.
2. Replace the bearings and parts.
3. Regulate the ignition time.
4. Clear the carbon deposits in the
cylinder head.
5. Replace the ignition plug.
1. Clean the carburetor.
2. Blow or replace the oil pipe.
3. Replace the oil seal.
4. Tighten the screw.
5. Adjust the carburetor.
1. Shift gear and control time.
2. Control the load and leave intervals to cool
3. Adjust the carburetor.
4. Replace the proper machine oil and
refill the gearbox with oil.
5. Adjust the play or replace the clutch,
friction pad and spring.
6. Adjust the tightness.
7. Adjust the clearance of the brake.
40
Troubleshooting