TROUBLESHOOTING
Problem Cause Remedy
Engine fails to start
1. Choke not in CHOKE position
2. Engine not primed
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4. Fuel shut-off valve closed
5. Throttle in STOP position or RUN/
STOP switch is STOP
6. Spark plug wire loose or
disconnected
7. Fuel tank empty or stale fuel
8. Faulty spark plug
9. Safety ignition key is not inserted
10. The engine oil level in the engine
crankcase is too low or too high
1. Move choke to CHOKE position
2. Prime engine as instructed in this
manual
3. Wait a few minutes before restarting,
do not prime
4. Open fuel shut-off valve
5. Move throttle to FAST position or
RUN/STOP switch to RUN Position
6. Connect or tighten spark plug wire
7. Fill tank with clean, fresh gasoline and
stabilizer
8. Clean, adjust gap, or replace
9. Insert safety ignition key
10. Add or drain oil to adjust the oil level in
the engine crankcase
Engine idles or runs
roughly
1. Engine running on CHOKE
2. Fuel tank is nearly empty or stale
fuel
3. Contaminated fuel supply
4. Carburetor out of adjustment
5. Engine over-governed
6. The fuel shutoff valve is not
completely open or blockage in
fuel line
7. Spark plug wire loose
8. Faulty spark plug
9. The engine oil level in the engine
crankcase is too low or too high
1. Move choke lever to RUN position
2. Fill tank with clean, fresh gasoline
3. Replace with clean fuel
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6. Open the fuel shutoff valve or clean
fuel line
7. Tighten spark plug wire
8. Clean, adjust gap, or replace
9. Add or drain oil to adjust the oil level in
the engine crankcase
The engine overheats Carburetor not adjusted properly &RQWDFWDTXDOLĆHGUHSDLUSHUVRQQHO
Excessive vibration Loose parts or damaged parts
Tighten all fasteners or replace damaged
parts
Loss of power
1. Spark plug wire loose
2. Gas gap vent hole plugged
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1. Tighten spark plug wire
2. Clean or replace fuel cap
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24
Two-Stage Snow Blower
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Operator’s Manual
Troubleshooting
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