Problem
Possible Cause Corrective Action
1. The engine load is
excessive.
1. Reduce ground speed.
2. The air cleaner is dirty. 2. Clean the air cleaner
element.
3. The oil level in the crankcase
is low.
3. Add oil to the crankcase.
4. The cooling ns and
air passages under the
engine blower housing are
plugged.
4. Remove the obstruction
from the cooling ns and
air passages.
5. The spark plug(s) is pitted,
fouled, or the gap is
incorrect.
5. Install a new, correctly
gapped spark plug(s).
6. The vent in the fuel cap is
closed.
6. Open the vent in the fuel
cap.
7. There is dirt in the fuel lter. 7. Replace the fuel lter.
8. Dirt, water, or stale fuel is
in the fuel system.
8. Contact an Authorized
Service Dealer.
The engine loses power.
9. There is incorrect fuel in the
fuel tank.
9. Drain the tank and replace
the fuel with the proper
type.
1. The traction belts are worn,
loose, or broken.
1. Contact an Authorized
Service Dealer.
The machine does not drive.
2. The traction belts are off of
the pulleys.
2. Contact an Authorized
Service Dealer.
1. The engine mounting bolts
are loose.
1. Tighten the engine
mounting bolts.
2. The engine pulley, idler
pulley, or blade pulley is
loose.
2. Tighten the appropriate
pulley.
3. The engine pulley is
damaged.
3. Contact an Authorized
Service Dealer.
4. The cutting blade(s) is/are
bent or unbalanced.
4. Install a new cutting
blade(s).
5. A blade mounting bolt is
loose.
5. Tighten the blade
mounting bolt.
There is abnormal vibration.
6. A blade spindle is bent. 6. Contact an Authorized
Service Dealer.
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