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Problem Cause Remedy
Engine Fails to start Fuel tank empty, or stale fuel.1.
Blocked fuel line.2.
Key not inserted all the way.3.
Spark plug wire disconnected.4.
Faulty spark plug.5.
Engine not primed.6.
Engine flooded from excessive priming.7.
Throttle may be in the off position.8.
Fill tank with clean fresh gasoline.1.
Clean fuel line.2.
Insert key all the way.3.
Connect wire to spark plug.4.
Clean spark plug, readjust gap, or replace.5.
Prime engine five to seven times.6.
Wait at least ten minutes before starting.7.
Move the throttle to the fast or “rabbit” 8.
position.
Engine runs erratic Engine running on choke.1.
Fuel line blocked, or stale fuel. 2.
Water or dirt in fuel system.3.
Carburetor out of adjustment.4.
Move choke lever to OFF position.1.
Clean fuel line and fill tank with fresh, clean 2.
gasoline.
Drain fuel tank. Refill with fresh fuel.3.
Contact an authorized Service Center.4.
Engine overheats Carburetor out of adjustment.1. Contact an authorized Service Center.2.
Loss of power Spark plug wire loose.1.
Vent in gas cap plugged.2.
Firmly connect spark plug wire.1.
Clear vent.2.
Excessive vibration Loose parts or damaged auger.1. Stop engine immediately and disconnect 1.
spark plug wire. Check for possible damage.
Tighten all bolts and nuts. Repair as needed.
If the problem persists, take snow thrower to
an authorized service dealer.
Snowthrower fails to self-
propel
Auger control cable out of adjustment. 1.
Auger drive belt loose or damaged.2.
Adjust auger control cable as shown in 1.
Maintenance and Adjustments section.
Replace auger drive belt.2.
Augers continue to rotate Auger control cable out of adjustment.1. Adjust auger control cable as shown in 1.
Maintenance and Adjustments section.
Unit fails to discharge snow Chute assembly clogged. 1.
Foreign object lodged in auger. 2.
Auger control cable out of adjustment.3.
Auger belt loose or damaged.4.
Stop engine and disconnect spark plug wire. 1.
Clean chute and inside of auger housing with
clean-out tool or stick.
Stop engine immediately and disconnect the 2.
spark plug wire. Remove object from auger.
Adjust auger control cable.3.
Replace auger belt.4.
Troubleshooting
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