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Troubleshooting
Engine Runs Irregularly, Stalls or Misfires
Possible Lean Fuel Mixture Cause Solution
Low or contaminated fuel Add or change fuel, clean the fuel system
Low octane fuel Replace with recommended fuel
Clogged fuel filter Replace filter
Possible Rich Fuel Mixture Cause Solution
Overuse of choke Inspect, clean and/or replace spark plugs
Fuel is very high octane Replace with lower octane fuel