Custom Yamaha XS400

At first glance, I thought this was an OEM bike—perhaps a mid-80s enduro. But it’s actually a heavily modified and beautifully crafted Yamaha XS400, built by Seth Hensler. The distinctive XT350 tank dominates the look of this machine, but that was the easiest part. Seth is one of life’s natural mechanics, and no challenge is too big for him. “I always wanted a twin-cylinder dual sport, so I made one,” he says. After finding a 1981 XS400 for just $100, he set to work in his garage. The frame is mostly custom-built, with XT350 suspension grafted on. Seth freshened up...