Putting a motorcycle engine in a car may sound like a completely crazy thing to do, but there have been a surprising number of times it has happened. The results come in a variety of shapes, sizes, ...

A straight-twin engine, also called an inline-twin or parallel-twin, is a two-cylinder setup where both cylinders sit side by side, upright, and share a single crankshaft. It's the simplest way to ...

Before Chevy small block V8-powered Boss Hoss Cycles and seven-cylinder aircraft radial-engorged JRL Cycles Lucky 7s, there was the 1966-1980 Münch Mammut. In English, that's "Mammoth," which is the ...