Your Harley Spark Plug Gap Chart For Maximum Performance

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Your Harley Spark Plug Gap Chart For Maximum Performance

Maintaining the proper spark plug gap on your Harley-Davidson motorcycle is key to ensuring your engine runs smoothly and efficiently. The gap is the distance between the center and side electrodes of the spark plug, crucial for the right ignition of the fuel-air mixture in your engine’s cylinders. A correct spark plug gap ensures that...

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Courtesy of USA Motorcycling - https://usamotorcycling.com/