Troubleshooting
Troubleshooting
Important:
It is essential that all operator safety mechanisms be connected and in proper operating
condition prior to use.
When a problem occurs, do not overlook the simple causes. For example: starting problems could be caused
by an empty fuel tank.
The following table lists some of the common causes of trouble. Do Not attempt to service or replace major
items or any items that call for special timing of adjustments procedures (such as valves, governor, etc.). Have
this work done by your
Engine Service Dealer
.
Note:
When disconnecting electrical connectors Do Not pull on the wires to separate the connectors.
Problem
Possible Cause
Corrective Action
1. Interlock key removed from OPC
1. Reinstall interlock key.
2. Battery does not have a full charge.
2. Charge the battery. See
Check Battery
Charge
and
Recommended Jump
Starting Procedure
sections in
Maintenance.
3. Electrical connections are corroded, loose
or faulty.
3. Check the electrical connections for
good contact. Clean connector terminals
thoroughly with electrical contact cleaner,
apply dielectric grease and reconnect.
4. Fuse is blown.
4. Replace the blown fuse.
Starter does not crank.
5. Relay or switch is defective.
5. Contact an Authorized Service Dealer.
1. Fuel tank is empty.
1. Fill the fuel tank.
2. The throttle and choke are not in the
correct position.
2. Be sure the throttle control is midway
between the “SLOW” and “FAST”
positions, and the choke is in the “ON”
position for a cold engine or the “OFF”
position for a warm engine.
3. Dirt in fuel filter.
3. Replace the fuel filter (bottom of fuel
tank).
4. Dirt, water, or stale fuel is in the fuel
system.
4. Contact an Authorized Service Dealer.
5. Air cleaner is dirty.
5. Clean or replace the air cleaner element.
6. Electrical connections are corroded, loose
or faulty.
6. Check the electrical connections for
good contact. Clean connector terminals
thoroughly with electrical contact cleaner,
apply dielectric grease and reconnect.
7. Relay or switch is defective.
7. Contact an Authorized Service Dealer.
8. Faulty spark plug.
8. Clean, adjust or replace spark plug.
Engine will not start, starts hard, or fails to
keep running
9. Spark plug wire is not connected.
9. Check the spark plug wire connection.
1. Engine load is excessive
1. Reduce the ground speed.
2. Air cleaner is dirty.
2. Clean or replace the air cleaner element.
3. Oil level in the crankcase is low.
3. Add oil to the crankcase.
4. Cooling fins and air passages for the
engine are plugged.
4. Remove the obstructions from the
cooling fins and air passages.
5. Dirt in fuel filter.
5. Replace the fuel filter (bottom of fuel
tank).
Engine loses power
6. Dirt, water, or stale fuel is in the fuel
system.
6. Contact an Authorized Service Dealer.
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