18
EN
2. LOW OUTPUT
3.ENGINE RUNNING UNSTABLE
4.THE ENGINE SUDDENLY STOPPED
12. TROUBLE SHOOTING GUIDE
Symptom
Probable cause
Remedy
Flameout when speed
up the smoke is thin,
carburetor spout
backward
Clogged fuel filter, insufficient fuel
Exhaust muffler with grease trap
Clean fuel filter, clean fuel road, adjust
carburetor
Clean the oily deposits
Compress press is
inadequate
Piston, piston ring, cylinder attrite
Replace piston, piston ring
Conjoint surface of the cylinder
and crank case leak
Repair
The end of two crank
shaft leak
The seal is bad
Engine overheats
Replace seal
Avoid use it for long time, high speed and
heavy load
Burning room fouled with
oily deposits
Clean the oily deposits
Symptom
Probable cause
Remedy
There are knock sound
in engine
Piston, piston ring, cylinder attrite
Piston pin, piston attrite
Bearing of crank shaft
Replace piston, piston ring
Replace piston pin, piston
Replace bearing attrite
There are metal knock
sound
Engine overheats high speed and heavy load
Burning room fouled with oily deposits
Avoid use it for long time
Clean the oily deposits
Engine ignition break off
Gasoline branded is unfit
There is water in fuel
Spark gap is wrong
Coil gap is wrong
Replace with required branded octane
Instead fuel
Adjust spark gap 0.6-0.7mm
Adjust coil gap 0.3-0.4mm
Probable cause
Remedy
Fuel has been used up
Spark plug fouled with oily deposits and short circuit
High voltage wire fall off
Add fuel
Clean the oily deposits
Connect