What to do when your Snapper gas chainsaw leaks fuel
Move the chainsaw to a well-ventilated area and check the fuel lines for cracks. Replace the fuel lines if they're leaking.
Check the carburetor for leaks. If fuel leaks from the carburetor, rebuild or replace the carburetor to prevent gas from leaking.
Examine the fuel tank cap. Replace the fuel tank cap if its seal is damaged and leaking.
Check the fuel tank and replace the tank if it's damaged.
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- Fuel lines. The chainsaw fuel lines that carry fuel from the tank to the carburetor can clog, crimp or crack over time. Damaged fuel lines restrict fuel flow and prevent the engine from starting. If the chainsaw won’t start, clear clogs and check the fuel lines for cracks or crimps. Replace damaged or crimped fuel lines.
- Carburetor. The carburetor mixes air and gas, which ignites in the cylinder to power the engine. If the engine won’t start when the tank is full of fresh fuel, test the carburetor by removing the air filter and pouring about a teaspoon of fuel into the carburetor. Pull the starter rope. If the engine starts and then quickly dies, the carburetor is likely the problem.
- Carburetor rebuild kit. Sometimes you can clean and rebuild the chainsaw carburetor instead of replacing it. The carburetor rebuild kit has the seals, gaskets and components to refurbish the carburetor.
- Spark plug. The spark plug provides the ignition spark to burn the fuel in the cylinder to drive the piston.
