Getting into motorcycles is usually a progression: if you loved riding pushbikes as a kid, you probably wanted a motorcycle as a teenager. But we don’t often see that progression going into reverse.

This petrol-powered BMX motorized bicycle is an intriguing example of a reverse, and it comes from English builder Shaun Walker of Down & Out. We had the pleasure of meeting him a few years ago: he’s a bluff, straight-talking northerner who, as they say, “knows his onions.”

Shaun’s been immersed in the custom scene for almost 20 years, building a solid business as trends and fashions come and go. As well as being a skilled builder, he’s not afraid to try new things. And sticking a small engine into a BMX frame is his latest experiment.

“As a boy, the BMX craze started and I wanted one bad,” says Shaun. “But coming from a working class

Keep reading Fat Tracker: Down & Out’s motorized BMX on Bike Exif