User`s manual

- 24 -
strength low
Valve seat washer worn out
Polish
The piston-ring or the cylinder
block worn seriously
Change them
The piston-ring is broken or stored
up the carbon to hinder very much
Change piston-ring or clear
carbon
Blank 4 continue
Trouble
phenomenon
Trouble reason
solution
The vehicle
has bad
accelerative
performance
The octane value of the fuel is too low
Change flue
Oil path blocked
Clean oil path
Ignition in wrong time
Check wire and change CDI
Spark too weak or flameout
Check ignition and clear out
Mixed air too dense or too thin
Clean adjust carburetor
Air leak from the engine
Check and clear out
Muffler blocked
Dredge
Belt wear wear and tear
Change
The automatic clutch roller wear and tear
Change
See “ cann’t start the engine” as reference
The electric
start does
not work
The clutch is broken
Change
the relay is broken
Change
Battery electricity not enough
Charge
Riding
gap between turning bearings is too big
Adjust