What size socket do I need to remove a lawn mower spark plug?
Drive socket wrench in 1/2 inches or 3/8 inches, whichever is appropriate for your machine. New spark plug.
In this regard, what size is a lawnmower spark plug?
Ideally, most automobile spark plugs use a thread size of about 14mm thread why those of lawn mower range between 10 to 12 mm.
One may also ask, are all lawn mower spark plugs the same?
Yes there are different plugs for different engines. Usually you need the engine model on your mower, and take in the old spark plug to the hardware store. Ask for someone to help you find the right spark plug and tell them your engine model and mower model.
Can I use a regular socket to remove spark plugs?
Do I Need To Use A Spark Plug Socket? ... no you don't need a spark plug socket to remove and install spark plugs. A deep socket in the correct size will work in most cases, if enough patience is used and maybe some pliers to go along with the socket.Check the gap on the new spark plug before installing it. A new plug will often come pre-gapped to match your specific engine, but use a spark plug gauge to verify that it matches the manufacturer's specifications.Its center electrode should have a flat top. ... If the spark plug is in good shape but is black with carbon or wet with gasoline, then a good cleaning with a wire brush and adjusting the gap between the electrodes may be all that's needed for the spark plug to restore power to the mower.The letter “E” indicates the reach of the spark plug, that is, the length of the threads. There are two size reaches currently being used in motorcycles and ATVs. “H” indicates a 1/2″ reach, while “E” indicates a 3/4″ reach. The letter “A” indicates some type of special feature.NGK Spark Plugs for Briggs & Stratton Engines
|Fits||BRIGGS & STRATTON GAS ENGINES -- All models except twin cylinder, Vanguard Intek, 19A400-19G400 series|