https://www.rideapart.com/articles/366804/1967-bmw-r60-volkswagen-engine/When 600cc aren't enough.
If you find your bike a bit anemic, the usual course of things is to replace the bike for a bigger one, right? At least, that’s what most of us common folks do when we want a ride with more humph. Some people out there, however, go about this first-world issue the hard way. For late 60s oil tycoon Lee Fikes, cramming a car engine and doubling the number of cylinders in his shiny new BMW motorcycle was the obvious decision to make.