Why are spark plug gaps different?
Spark plugs are part of the ignition system in a gasoline engine. They emit a spark that ignites the fuel/air mixture in the engine’s cylinder, forcing the piston down and turning the crankshaft.Spark plug gapSpark plugs have two electrodes–the center electrode and the ground electrode. The distance between the two electrodes is known as the gap.Proper gap sizeGap size affects the strength of the spark. A gap that is too narrow results in a weak spark that might not fully ignite the fuel, while a wider gap might not create any spark at all.Identifying proper gapEach motor has an ideal spark plug gap size based on the size of the cylinder, the amount of compression, the fuel mixture, and other factors. Information on the proper gap size for a particular engine can usually be found in the owner’s manual or from the spark plug manufacturer.AdjustmentWhile most manufacturers set the proper gap based on the plug’s intended use, the gap should be checked before you install it. The gap is me
