Motorcycles grow more powerful with each passing year, with engines like Indian's Power Plus 108 and Harley-Davidson's new 2.1-liter Screaming Eagle IV V-twin putting out 122 and 130 horsepower, ...

Over the years, an original engine cutoff switch can sometimes fail due to corrosion or just plain wear and tear, creating a safety concern. Jim Hendricks, electronics editor at Boating Magazine, ...