TROUBLE SHOOTING GUIDE
This trouble-shooting guide covers only the most common potential problems.
ENGINE
STARTER DOES NOT OPERATE OR DOES NOT TURN ENGINE OVER:
1. Engine run switch in OFF position.
2. Ignition switch is off.
3. Discharged battery, loose, corroded or broken connections (solenoid chatters).
ENGINE TURNS OVER BUT DOES NOT START:
1. (For Carbureted only) Fuel petcock turned off (low fuel requires the fuel valve to be turned
to reserve).
2. Fuel tank empty.
3. Engine ooded with fuel.
4. Fouled spark plugs.
5. Fuel valve clogged.
6. Spark plug cable connections loose or in bad condition and shorting.
7. Throttle held open when enrichener is used.
8. Loose or corroded wire or cable connection(s) at coil.
HARD TO START:
1. Throttle held open when enrichener used.
2. Fuel tank vent plugged or carburetor fuel line closed off, restricting fuel ow.
3. Spark plugs in bad condition.
4. Loose wire or cable connection(s) at one of the battery terminals or at coil.
5. Spark plug cables in bad condition.
6. Battery nearly discharged.
7. Carburetor not adjusted correctly. (For Carbureted only).
8. Ignition not timed properly.
9. Water or dirt in fuel system and / or carburetor.
10. Engine oil too viscous (winter operation).
STARTS, BUT RUNS IRREGULARLY OR MISSES:
1. Spark plugs in bad condition or partially fouled.
2. Spark plug cables in bad condition or have become detached. (check both ends).
3. Spark plug gap too close or too wide.
4. Battery nearly discharged.
5. Damaged wire/loose connection at battery terminals or coils.
6. Intermittent short circuit due to damaged wire insulation.
7. Water or dirt in fuel system.
8. Fuel vent system plugged.
9. Air leak in intake manifold.
10. Air lter clogged.
3.5 Trouble Shooting Guide
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