Now That's Nifty has a gallery of thirty unusual motorcycles, including those converted into campers, limos, and tracked vehicles. Among them is the massive Leonhardt Gunbus, which is powered by a massive 410 cubic inch engine:
When it comes to custom motorcycle builders, there's crazy and there's really crazy. Falling into the latter category is one Mr. Clemens F. Leonhardt, who has just finished building what he refers to as "the world's biggest motorcycle." Excluding some other crazy creations, such as the Monster Bike, the guy's got a point. Unlike other two-wheeled behemoths, the Leonhardt Gunbus is actually ready to ride on normal roads and will soon go into series production. That's right... you'll actually be able to buy one of these. Next on the agenda is an equally massive sidecar, which somehow seems just right for this bike.
Link via The Presurfer | Information on the Leonhardt Gunbus | Photo: Niot