The NR series by Honda, including the NR500 and NR750, failed in racing but left ... Honda gave up and went to the mass-followed formula: a V4 two-stroke engine. Despite Honda’s dislike of ...

Engine Type Four stroke, 90 V4, DOHC, 4 valve Displacement 748cc Max ... The RC40 (otherwise known as the NR750) is extremely hard to find these days. And if you do, be prepared to sell off ...