How to replace a chainsaw carburetor

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

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

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

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

Pull the air filter housing off the carburetor.

Pull the carburetor away from the engine block. Be careful not to bend the throttle linkage or damage the gas lines. Use needle-nose pliers to detach the gas lines from the carburetor.

Disconnect the throttle linkage. Pull the carburetor completely off the mounting studs. Check the mounting gasket and replace it if necessary.

Connect the throttle linkage on the new carburetor. Slide the new carburetor onto the mounting studs. Connect the fuel lines.

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 on the housing and replace the cover. Reattach the spark plug wire.

Reinstall the cylinder shield on the chainsaw. Refill the fuel tank.