How to Change Motorcycle Spark Plugs

by Jerry Fishel; Updated September 18, 2017

About the Author

Jerry Fishel trained at Motorcycle Mechanics Institute in Phoenix AZ & Orlando, FL. He is also a Harley-Davidson factory certified master mechanic. Jerry worked for Las Vegas Harley-Davidson 7 years (master mechanic), then on to Zion Harley-Davidson in Utah 2 years (master mechanic). He was general manager of Dixie Customs (aftermarket shop) then opened “Vicious Cycles," his own motorcycle shop, in Santa Clara, UT.