Use and Care Manual

LH400ATV-2B OWNER’S/OPERATOR’S MANUAL 08.0
17. TROUBLESHOOTING
17-4
IGNTION SYSTEM
Battery Ignition system
Improperly charged battery Faulty ignitor unit
Faulty battery Faulty pick up coil
Fuse Broken magneto
Burnt out, improper connection woodruff key
Spark plug Switch
Improper plug gap Faulty main switch
Worn electrodes Faulty “ENGINE STOP”
Wire between terminals broken switch
Improper heat range Faulty brake switch
Faulty spark plug cap Wiring
Ignition coil Loose battery terminal
Broken or shorted primary/ Loose coupler connection
secondary coil Improperly grounded
Faulty high tension cord Broken wireharness
Broken ignition coil body
POOR IDLE SPEED PERFORMANCE
Carburetor Air cleaner
Loose or clogged pilot jet Clogged air cleaner element
Damaged carburetor joint Ignition system
Improperly tightened carburetor Faulty spark plug
joint clamp hose Faulty high tension cord
Improperly adjusted idle speed Faulty ignitor unit
(Pilot screw), (Throttle stop screw) Faulty pick up coil
Improperly adjusted throttle cable Faulty ignition coil
Flooded carburetor Valve system
Improperly adjusted
valve clearance