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Troubleshooting
7
16
Problem Cause Remedy
Engine Fails to start 1. Choke not activated.
2. Spark plug boot disconnected.
3. Fuel tank empty or stale fuel.
4. Faulty spark plug.
5. Reduced fuel flow/Blocked fuel filter.
6. Engine flooded.
7. Dead battery.
8. Blown fuse.
1. Place throttle/choke control in CHOKE
position.
2. Connect wire to spark boot.
3. Fill tank with clean, fresh gasoline.
4. Clean, adjust gap, or replace.
5. Replace fuel filter as instructed in the
Maintenance section.
6. Crank engine with throttle in FAST position.
7. Recharge battery. See equipment operator’s
manual.
8. Replace blown fuse. See equipment
operator’s manual.
Engine runs erratic 1. Spark plug boot loose.
2. Reduced fuel flow/Blocked fuel filter.
3. Vent in gas cap plugged.
4. Water or dirt in fuel system.
5. Dirty air cleaner.
6. Engine running with CHOKE activated.
1. Connect and tighten spark plug boot.
2. Replace fuel filter as instructed in the
Maintenance section.
3. Clear vent.
4. Drain fuel tank. Refill with fresh fuel.
5. Replace air cleaner element and/or clean
pre-cleaner.
6. Move throttle/choke control out of CHOKE
position.
Engine overheats 1. Engine oil level low.
2. Air flow restricted.
1. Fill crankcase with proper oil.
2. Clean grass clippings and debris from around
the engine’s cooling fins and blower housing.
Occasional skips
(hesitates) at
high speed
1. Spark plug gap too close. 1. Remove spark plug and adjust gap.
Idles poorly 1. Spark plug fouled, faulty, or gap too wide.
2. Dirty air cleaner.
1. Reset gap or replace spark plug.
2. Replace air cleaner element and/or clean
pre-cleaner.
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