Like any other vehicle, Harley-Davidson motorcycles are prone to backfiring ... fuel filter and this will rarely be an issue. Spark plugs, as the name suggests, generate a spark that ignites ...

You're probably aware that different cars require certain grades of fuel, and the same is true of motorcycles. But why do ...

Harley-Davidson motorcycles have long been known for their ... There is also only one pin for both pistons and its spark plugs are positioned at a 45-degree angle. As a result, the two pistons ...