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Engine does not start or hard to startA. If the ignition stop switch wire connected to the ground or not; B. If the spark plug and ignition can normally and consecutively ignite or not; if the spark plug gap between 0.6-0.8 mm or not; if the spark plug wetted by fuel; C. If the oil system be blocked or not; D. Disassemble the air filter cover and element, press the primer, see if there’s fuel spray out or not. Fuel not spraying means the primer not working; E. Test again after changing a new carburetor. |