Chapter 7
Troubleshooting
The engine loses power.
Possible Cause Corrective Action
The engine load is excessive. Reduce the ground speed.
The air cleaner is dirty. Service the air-cleaner element.
The oil level in the crankcase is low. Add oil to the crankcase.
The cooling fins and air passages under the
engine blower housing are plugged.
Remove the obstruction from the cooling
fins and air passages.
A spark plug is pitted, fouled, or the gap is
incorrect.
Install a new, correctly gapped spark plug.
The vent hole in the fuel cap is plugged. Clean or replace the fuel cap.
Dirt is in the fuel filter. Replace the fuel filter.
Dirt, water, or stale fuel is in the fuel system. Contact an Authorized Service Dealer.
The engine does not start, starts hard, or fails to keep
running.
Possible Cause Corrective Action
The fuel tank is empty or the shutoff valve is
closed.
Fill the fuel tank with fuel and open the
valve
A spark-plug wire is loose or disconnected. Install the wire on spark plug.
A spark plug is pitted, fouled, or the gap is
incorrect.
Install a new, correctly gapped spark plug.
The air cleaner is dirty. Service the air-cleaner element.
Dirt is in the fuel filter. Replace the fuel filter.
Dirt, water, or stale fuel is in the fuel system. Contact an Authorized Service Dealer.
Troubleshooting Page 7–1 3462-915 A
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