Specifications

3.Engine running not smoothly(low speed and idling):
CDI faulty
pulse generator faulty
mixture too rich
(loosen the screw)
mixture too lean.
(tighten the screw)
heat protector gasket
broke
carburetor locking nut
loose
gasket crack
hose ruptured
spark plug is dirty
CDI out of order
Ac magneto abnormal
ignition coil faulty
H.T. coil faulty or
short circuit
main switch is abnormal.
A.C.V. faulty
hose is damaged.
air pipe is blocked or
damaged
Check and adjust
Trouble condition
The reason
Check ignition timing
Adjust carburetor oil screw
good
adjustment
faulty
adjustment
Check if there is air
Leakage on carburetor
gasket
No leakage leakage
Good sparking
Sparking abnormal
Or no sparking
Check A.C.V
fault good
correct
Not correct