Gas leaks around the air filter usually indicate problems with valves inside your engine and how it is processing gas. Read below to learn what specifically could be causing your lawn mower and small engines to leak gas through the vent tube and air filter.
WARNING: Fuel and its vapors are extremely flammable and explosive. Always handle fuel with extreme care. Never attempt to start or operate an engine or machine that has a fuel leak.
Always read the engine and equipment manual(s) before starting,operating, or servicing your engine or equipment to avoid personal injury or property damage. See an authorized dealer or contact Briggs & Stratton if you are unsure of any procedure or have additional questions. Find all Engine Safety Warnings