Small Engine Troubleshooting Problems? Ask a Mechanic Now.
Is exhaust open? If exhaust is plugged, engine can't get fuel.
Have you ran a spark check as soon as it quits?
With two cycle engine, your crankshaft seals may be leaking!
Not quite! You know those parts are good. Do you still have spark> Is there fuel to the cylinder?
Gas in the tank?
Have you checked the needle valve passage? It takes very small amount of debris to plug it or restrict it!
What kind of fuel pump? Pulse or electric?
Runs same with old carb?