8. TROUBLESHOOTING
Exmark designed and built your lawn mower for trouble free operation. Check the following components and items carefully, and refer to Section X Maintenance for more information. If a problem continues, contact an Authorized Service Dealer.
Problem
Engine does not start
Engine starts hard or loses power
Engine runs rough
Possible Causes
1.The fuel tank is empty or the fuel system contains stale fuel.
2.The throttle lever is not in the Choke position.
3.The wire is not connected to the spark plug.
4.The spark plug is pitted, fouled, or the gap is incorrect.
1.The fuel tank contains stale fuel.
2.The fuel cap vent hole is plugged.
3.The air filter element is dirty and is restricting the air flow.
4.The underside of the lawn mower deck contains clippings and debris.
5.The spark plug is pitted, fouled, or the gap is incorrect.
6.The engine oil level is low or the oil is dirty.
1.The wire is not connected to the spark plug.
2.The spark plug is pitted, fouled, or the gap is incorrect.
3.The throttle lever is not in the Fast position.
4.The air filter element is dirty and is restricting the air flow.
Corrective Action
1.Drain and/or fill the fuel tank with fresh gasoline. If the problem persists, contact an Authorized Service Dealer.
2.Move the throttle lever to the Choke position.
3.Connect the wire to the spark plug.
4.Check the spark plug and adjust the gap if necessary. Replace the spark plug if it is pitted, fouled, or cracked.
1.Drain and fill the fuel tank with fresh gasoline.
2.Clean the fuel cap vent hole or replace the fuel cap.
3.Clean the air filter
4.Clean the underside of the lawn mower deck.
5.Check the spark plug and adjust the gap if necessary. Replace the spark plug if it is pitted, fouled, or cracked.
6.Check the engine oil. Change the oil if it is dirty or add oil if it is low.
1.Connect the wire to the spark plug.
2.Check the spark plug and adjust the gap if necessary. Replace the spark plug if it is pitted, fouled, or cracked.
3.Move the throttle lever to the Fast position.
4.Clean the air filter
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