Operator's Manual

26
Problem Corrective ActionPossible Causes
7. The spark plug is pitted, fouled,
or the gap is incorrect.
7. Check the spark plug and
adjust the gap if necessary.
Replace the spark plug if it is
pitted, fouled, or cracked.
8. The fuel cap vent is restricted. 8. Remove the vent restriction or
replace the fuel cap.
9. The engine oil level in the
engine crankcase is too low or
too high.
9. Add or drain oil to adjust the oil
level in engine crankcase to the
Full mark on the dipstick.
10.The air temperature is above
40°F (4°C) and the carburetor
heater box is on the
snowthrower.
10.Remove the carburetor heater
box.
Engine runs rough 1. The choke is in the On position. 1. Move the choke to the Off
position.
2. The fuel shutoff valve is not
completely open.
2. Open the fuel shutoff valve.
3. The fuel tank is nearly empty or
contains stale fuel.
3. Drain and fill the fuel tank with
fresh gasoline (not more than
30 days old). If the problem
persists, contact an Authorized
Service Dealer.
4. The spark plug wire is loose. 4. Connect the wire to the spark
plug.
5. The spark plug is pitted, fouled,
or the gap is incorrect.
5. Check the spark plug and
adjust the gap if necessary.
Replace the spark plug if it is
pitted, fouled, or cracked.
6. The engine oil level in the
engine crankcase is too low or
too high.
6. Add or drain the oil level in the
engine crankcase to the
Full
mark on the dipstick.
7. The air temperature is above
40°F (4°C) and the carburetor
heater box is on the
snowthrower.
7. Remove the carburetor heater
box.
Engine runs, but the snowthrower
discharges snow poorly or not at
all
1. The throttle is not in the Fast
position when throwing snow.
1. Move the throttle to the Fast
position.
2. The snowthrower is moving too
fast to clear the snow.
2. Shift the snowthrower into a
lower gear.
3. You are trying to remove too
much snow per swath.
3. Reduce the amount of snow
removed for per swath.
4. You are trying to remove
extremely heavy or wet snow.
4. Don’t overload the snowthrower
with extremely heavy or wet
snow.
5. The discharge chute is
plugged.
5. Stop the engine, wait for all
moving parts to stop, and use a
stick to remove the snow from
the discharge chute.