Fuel Filter • Fits internal combustion engines. • Prevents dirt and other particles in fuel tank from reaching carburetor. CAUTION: Disconnect spark plug wire before working on engine. Be certain engine is cold. How to Install: 1. Shut off fuel connection or empty fuel from tank. 2. Remove old filter and replace new one in same manner. 3. If not originally equipped with a filter, locate the fuel line coming from the carburetor.