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The compression ratio is
fine
1. The filter plate clogged
Clean
2.Air passes through the
connection of carburetor
Tighten
3.Engine overheat
Stop the engine and cool it
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ll with fresh fuel
5.The carbon clogs muffl er
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
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3.The running parts wore and
tore.
Check and replace
(3)Engine stops while running
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Engine stops suddenly
1.The lead wire of plug loose
Replace firmly
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
Refi ll with fresh fuel
(4)Engine hard to stop
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Throttle handle put to the
lowest position, the engine still
runs .
The throttle cord is short or
piston of carburetter blocked.
Adjust the cord or remedy the
carburetter.
