Yamaha XS650 / Mule Motorcycles

Richard Pollock knows a thing or two about street-trackers. Doing business as Mule Motorcycles out of a converted two-car garage in suburban San Diego, he’s built about 100 trackers to date, and shows no signs of slowing down. Pollock’s bread and butter are specials based on two powerplants: Harley-Davidson’s Evo Sportster V-twin and Yamaha’s venerable XS650, the so-called Japanese Bonneville and about as good an air-cooled parallel-twin as anybody has ever made. Mule’s latest build is an XS650 with a difference. Strictly speaking it’s not a street-tracker; there are touches of café-racer mixed in. Let’s call it, then, a café-tracker — via Bike EXIF