PG-13 | 2h 7min | Biography, Drama, Sport | 24 March 2006 (USA) “The World’s Fastest Indian” is not about Native-American Olympic gold medalist Jim Thorpe, but about the Indian motorcycle that set the world land speed record (for bikes with engines under 1,000 cubic centimeters) at the world’s fastest speedway—Utah’s Bonneville Salt Flats. And it’s not really about that 1920 Indian motorcycle either, because by the time the bike got to Utah, it had been souped-up, retooled, jacked-up, rebuilt, and tinkered into a two-wheeled hot rod of such epic, rocket-like demeanor that it could no longer really be called an Indian. No, 2005’s very fun “The World’s Fastest Indian” is about New Zealand national hero Burt Munro, who set that world land speed record of 200-plus miles per hour … wait for it … in his mid-60s. And here’s the other thing: When I say muscled-up, you picture something like …