Engine Runs Irregularly, Stalls or Misfires
| Possible Cause | Solution |
|---|---|
| Fouled or defective spark plug | Inspect, clean and/or replace spark plug |
| Worn or defective spark plug wires | Your dealer can assist |
| Incorrect spark plug gap or heat range | Set gap to specs or replace plug |
| Loose ignition connections | Check all connections and tighten |
| Water present in fuel | Replace with new fuel |
| Low battery voltage | Recharge battery to 12.8 VDC |
| Incorrect fuel | Replace with recommended fuel |
| Clogged air filter | Inspect and clean or replace |
| Clogged intake screen | Inspect and clean (with soapy water) or replace |
| Throttle release switch malfunction | Your dealer can assist |
| Other mechanical failure | Your dealer can assist |