How to Troubleshoot an MTD Riding Mower

Press the clutch pedal firmly with your foot before turning the ignition. The clutch pedal has a safety switch that must be engaged to start the mower.

Move the deck lift lever to the position "Blade Stop" before starting the mower. The mower will not start if the cutting blades are engaged.

Check the gas tank to make sure it is not empty. If the tank is below the full line indicator, you may need to add gas.

Check the spark plug and make sure the spark plug wire is connected properly. Pull off the spark plug wire, using your fingers. Reconnect the spark plug wire, pressing firmly with your fingers.

Replace the spark plug. Remove the spark plug wire, using your fingers. Remove the spark plug using a socket wrench. Install a new spark plug and tighten securely. Reconnect the spark plug wire, using your fingers.