1. If the engine can be started by opening the fuel tank cover after flameout, the oil and gas pipeline connecting the carbon canister and the fuel tank does not return air well, resulting in a vacuum in the fuel tank. Please check whether the oil and gas pipeline interferes with other accessories.
2. If the engine is very hot and cannot be started after opening the fuel tank cover, it can be started after about 15 minutes, the magneto pulse coil may be damaged.
