TROUBLESHOOTING
Problem Cause Remedy
Engine fails to
start
1. Spark plug wire disconnected
2. Out of fuel or stale fuel
3. Choke not in open position
4. Blocked fuel line
5. Fouled spark plug
6. Engine ooding
1. Attach spark plug wire securely to spark plug
2. Fill with clean, fresh gasoline
3. Throttle must be positioned at choke for a cold start
4. Clean the fuel line
5. Clean, adjust gap, or replace
6. Wait a few minutes to restart, but do not prime
Engine runs
erratically
1. Spark plug wire loose
2. Unit running on CHOKE
3. Blocked fuel line or stale fuel
4. Vent plugged
5. Water or dirt in fuel system
6. Dirty air cleaner
7. Improper carburetor adjustment
1. Connect and tighten spark plug wire
2. Move choke lever to OFF
3. Clean fuel line. Fill tank with clean, fresh gasoline
4. Clear vent
5. Drain fuel tank. Rell with fresh fuel
6. Clean or replace air cleaner
7. Refer to Engine Manual
Engine overheats
1. Engine oil level low
2. Dirty air cleaner
3. Air ow restricted
4. Carburetor not adjusted properly
1. Fill crankcase with proper oil
2. Clean air cleaner
3. Remove housing and clean
4. Refer to Engine Manual
Machine does not
move while engine
is running
1. Gear is not properly selected
2. Drive belt not tight enough
1. Ensure gear lever is not in-between two
different gears
2. Tighten drive belt
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YD4103PM02 - 1706
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Troubleshooting
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