17. TROUBLESHOOTING
IGNTION SYSTEM
Battery Ignition system
ŸImproperly charged battery ŸFaulty igniter unit
ŸFaulty battery ŸFaulty pick up coil
Fuse ŸBroken magneto
ŸBurnt out, improper connection woodruff key
Spark plug Switch
ŸImproper plug gap ŸFaulty main switch
ŸWorn electrodes ŸFaulty “ENGINE STOP”
ŸWire between terminals broken switch
ŸImproper heat range ŸFaulty brake switch
ŸFaulty spark plug cap Wiring
Ignition coil ŸLoose battery terminal
ŸBroken or shorted primary/ ŸLoose coupler connection
secondary coil ŸImproperly grounded
ŸFaulty high tension cord ŸBroken wire harness
ŸBroken ignition coil body
POOR IDLE SPEED PERFORMANCE
Carburetor Air cleaner
ŸLoose or clogged pilot jet ŸClogged air cleaner element
ŸDamaged carburetor joint Ignition system
ŸImproperly tightened carburetor ŸFault spark plug
ŸJoint clamp hose ŸFault high tension cord
ŸImproperly adjusted idle speed ŸFault igniter unit
(Pilot screw),(Throttle stop screw) ŸFault pick up coil
ŸImproperly adjusted throttle cable ŸFault ignition coil
ŸFlooded carburetor Valve system
Auto choke ŸImproperly adjusted
ŸFaulty start plunger Ÿvalve clearance
ŸImproper wax operation
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