HER CHEE GTC-50, Service Manual

Page: 13 / 86

ADLY
MOTO
1-10
Engine operation is not smooth after starting
Loose carburetor cup bottom screw and
check if the fuel arrive carburetor no fuel

Fuel tank has no fuel

Blocking of fuel tube
fuel

Blocking of float valve

Blocking air of fuel tank cap
Remove spark plug and check
Dirty or
discolor

Spark plug is dirty

Wrong type of spark plug
clean
Check the spark condition by put the spark
plug into cap and connect to ground Weak or no

Spark plug is defect or dirty

CDI defect
spark fair

ACG defect

Short circuit of H.T. coil

Ignition wire broken or short

Main switch defect
Check compression pressure

Cylinder and piston ring wear out
compressing
no compression

Leaking of cylinder gasket

Reed valve leaking

L/R crankcase leaking
Check carburetor is blocked or not

Vent tube blocked
not blocked
Blocked
Check ignition timing

Check CDI
correct Incorrect

ACG defect
Adjust Air screw of carburetor

A/F mixture too thick (loose screw)
adjust well Bad adjustment

A/F mixture too thin (tighten screw)
Carburetor clip leaking air or not

Intake clip loose
no Yes

Air intake loose air

Remove starter plunger wire and check

Plunger defect
no resistance