How to replace chainsaw fuel lines

Wear work gloves to protect your hands.

In a well-ventilated area, remove the fuel cap and empty the fuel tank into an approved storage container.

Using an Allen wrench, remove the screws that hold the cylinder shield to the engine. Lift off the shield.

Disconnect the wire from the spark plug. Pull the cover off the air filter housing and remove the filter.

Straighten a piece of coat hanger and bend a hook on the end. Feed it through the mouth of the tank and fish out the white cylindrical fuel filter. Cut the fuel line to remove the filter.

Using a 7/16-inch socket driver, remove the 2 mounting nuts that secure the carburetor to the engine.

Pull the air filter housing off the carburetor.

Pull the carburetor from the engine block, sliding it along the mounting studs. Be careful not to bend the throttle linkage or damage the gas lines.

Pull the fuel lines off the carburetor and primer bulb, using needle-nose pliers.

Use needle-nose pliers to pull the fuel lines out of the gas tank.

Tip: With some chainsaw models, you’ll have to remove the screws from the primer bulb to detach the fuel lines.

Use a pair of scissors to cut the new fuel lines at an angle to thread them into the tank. Push the large line about 1 inch into the tank.

Push the small line far enough into the tank so that it can be grabbed through the mouth of the tank with needle-nose pliers.

Pull the small line out the mouth of the tank. Cut the end square and install the fuel filter. Pull the line back in so the filter rests on the bottom of the tank. Trim the fuel lines and connect them to the carburetor.

Pull the small line out the mouth of the tank. Cut the end square and install the fuel filter. Pull the line back in so the filter rests on the bottom of the tank. Trim the fuel lines and connect them to the carburetor.

Slip the carburetor onto the mounting studs and push it into place. Position the air filter housing on the protruding studs.

Replace the mounting nuts and tighten them to seal the gasket between the engine and the carburetor.

Position the air filter in the housing and replace the cover. Reattach the spark plug wire.

Reinstall the cylinder shield on the chainsaw.

Refill the fuel tank.