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.
The Craftsman 4.5hp mower uses either a Champion model RJ19LM or J19LM spark plug, or equivalent, with the gap set at . 030 inch.
Keeping this in view, are all lawn mower spark plugs the same size?
The spark plugs in both types of engine work on the same basic principle. ... Some automotive and lawn mower spark plugs may be interchangeable, but many others are not because of physical differences.
Can you remove spark plugs with a regular socket?
Like I stated in the above paragraphs, spark plug sockets "cradle" the spark plug so it will not get damaged. A traditional socket would not hold the spark plug snug enough and it would fall out upon installation or removal, which could cause damage to the spark plug itself.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.NGK Spark Plugs for Briggs & Stratton Engines
|Fits||BRIGGS & STRATTON GAS ENGINES -- All models except twin cylinder, Vanguard Intek, 19A400-19G400 series|
|Replacement Part Type||Briggs & Stratton Spark Plug Part Number||Spark Plug Gap|
|Extended Life Series® OHV Spark Plug Platinum (Replaces Champion RC12YC)||696202 5066 (5066D, 5066H)||.030”|
|Resistor Spark plug - hotter spark (Replaces Champion RC14YC)||496018S 5092||.030”|