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Troubleshooting
Problem
The starter does not crank.
The engine will not start, starts hard, or
fails to keep running.
The engine loses power.
The engine overheats.
There is an abnormal vibration.
The blades do not rotate.
Possible Cause
1. The blade control (PTO) is engaged.
2. The transmission drive control is in the
Push position.
3. The battery is dead.
4. The electrical connections are corroded
or loose.
5. A fuse is blown.
6. A relay or switch is damaged.
1. The fuel tank is empty.
2. The air cleaner is dirty.
3. The spark-plug wire is loose or
disconnected.
4. The spark plug is pitted, fouled, or
incorrectly gapped.
5. The choke is not closing.
6. There is dirt in the fuel filter.
7. The idle speed is too low or the mixture
is incorrect.
8. Dirt, water, or stale fuel is in the fuel
system.
1. The engine load is excessive.
2. The air cleaner is dirty.
3. The oil level in the crankcase is low.
4. The cooling fins and air passages
under the engine blower housing are
plugged.
5. The spark plug is pitted, fouled, or the
gap is incorrect.
6. The vent hole in the fuel cap is plugged.
7. There is dirt in fuel filter.
8. Dirt, water, or stale fuel is in the fuel
system.
1. The engine load is excessive.
2. The oil level in the crankcase is low.
3. The cooling fins and air passages
under the engine blower housing are
plugged.
1. The blades are bent or unbalanced.
2. The blade mounting bolt is loose.
3. The engine mounting bolts are loose.
4. There is a loose engine pulley, idler
pulley, or blade pulley.
5. The engine pulley is damaged.
1. The blade drive belt is worn, loose, or
broken.
2. The blade drive belt is off of the pulley.
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Corrective Action
1. Disengage the blade control (PTO).
2. Move the transmission drive control to
the Operate position.
3. Charge the battery.
4. Check the electrical connections for
good contact.
5. Replace the fuse.
6. Contact an Authorized Service Dealer.
1. Fill the fuel tank with gasoline.
2. Clean or replace the air cleaner
element.
3. Connect the wire to spark plug.
4. Install a new, correctly gapped spark
plug.
5. Adjust the choke cable.
6. Replace the fuel filter.
7. Contact an Authorized Service Dealer.
8. Contact an Authorized Service Dealer.
1. Reduce the ground speed.
2. Clean the air cleaner element.
3. Add oil to the crankcase.
4. Remove the obstruction from the
cooling fins and air passages.
5. Install a new, correctly gapped spark
plug.
6. Clean or replace the fuel cap.
7. Replace the fuel filter.
8. Contact an Authorized Service Dealer.
1. Reduce the ground speed.
2. Add oil to the crankcase.
3. Remove the obstruction from the
cooling fins and air passages.
1. Install new blades.
2. Tighten the blade mounting bolt.
3. Tighten the engine mounting bolts.
4. Tighten the appropriate pulley.
5. Contact an Authorized Service Dealer.
1. Install a new blade drive belt.
2. Install the blade drive belt and check
the idler pulley and belt guides for the
correct position.
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