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TROUBLE CAUSE REMEDY
No ash
Spark plug
1.Poles wet Dry it
2.Covered with carbon Clean the carbon
3.The insulation damaged Replace
4.Spark gap incorrect Adjust 0.6
~
0.7mm
5.The poles burned Replace
Magneto
1.The wrap of wire damaged. Remedy or replace
2.Insulation of coil bad Replace
3.The wire of coil broken. Replace
4.The electronic ring unit defective Replace
Normal
Compression ratio and
fueling well
1.Too much fuel in cylinder Drain
2.Water or dirt in fuel Replace
Fueling well but
compression ratio bad.
1.Cylinder and piston ring wore or tore Replace them
2.The plug loose Tighten it
Carburetor not fueling
1.No fuel in tank Fuel
2.Fileter gauze clogged Clean
3.The air hole of the tank clogged Clean
(2)Engine lacks power
TROUBLE CAUSE REMEDY
The compression ratio is ne
1. The lter plate clogged Clean
2.Air passes through the
connection of carburetor
Tighten
3.Engine overheat Stop the engine and cool it
4.Water in fuel Rell with fresh fuel
5.The carbon clogs mufer Clean
Engine overheats
1.Mixed gas (fuel) thin Adjust the carburetor.
2.Cylinder covered with carbon Clean
3.Oil bad
Use 2-T engine oil and adjust the
mix ration.
4.No connection with hose Correctly assemble the machine
Engine noisy or knocking
1.Fuel bad Replace
2.Carbon in cylinder Clean
3.The running parts wore and
tore.
Check and replace
(3)Engine stops while running
TROUBLE CAUSE REMEDY
Engine stops suddenly
1.The lead wire of plug loose Replace rmly
2.Piston bitten Change or remedy
3.Plug covered with carbon Clean plug
4.Fuel used up Fill the fuel tank
The engine stops slowly
1.Carburetter clogged Clean
2.The air hole in the tank clogged Clean
3.Water in fuel Rell with fresh fuel