Troubleshoot
- 18 -
4）Engine overheating
Phenomena Causes Elimination
Improper timing
Replace ignition coil
Insufficient engine oil Fill engine oil
Outlet blocked Clean outlet
Ventilation hood leakage Repair damaged place
Air conduit blocked with foreign
thing
Clean radiator
Cool fan failed Reinstall fan
Piston ring failed to result in
cylinder and crank case flowing
by
Replace worn part
Engine overheating
Engine runs at over speed
Check regulating system or
replace regulating gear
5）Abnormal noise
Phenomena Causes Elimination
Piston, piston ring
worn out
Replace worn part
Connection rod、piston
pin, pin hole worn out
Replace worn part
Crank worn Replace or repair
Slap
Piston ring broken Replace piston ring
Exceeded c
arbonized dirt in
combustion chamber
Clean c
arbonized dirt
Spark plug electrode
clearance too small
Regulate electrode clearance
Severely enriched fuel Check Carburetor
Improper fuel grade Replace fuel
Knocking with
metallic sound
Engine overheating
Refer to overheat fault
column
Regulate valve
improperly
Regulate valve clearance
Abnormal noise
Loose connection
between flywheel and
crank
Replace connecting key and
reinstall
To Next Page
Loading...
Need help?
General
