WTF: Turning a tank-shift Harley WLA into a flat tracker

The great thing about flat track racing is that anyone can have a crack. You don’t need a rocket scientist crew chief, or clever throttle body setups to have fun: there’s a series for every man and every budget. The bug has even bitten Bill Bryant, the man behind the Biltwell Inc aftermarket empire. And since Bill knows a thing or two about building V-twins, he’s selected a very unusual steed for his dirt track excursions: a venerable Harley-Davidson WLA. Like most of Bill’s older bikes, the WLA has a low-key, off-kilter vibe that we’re finding irresistible. So we pinged...