When this R69S rolled into the workshop of Tokyo resto-mod specialists Ritmo Sereno, it was a slightly gawky custom with mismatched curves and a shapeless silver tank. With their usual attention to detail, Ritmo reworked it into a beautiful cafe racer with more conventional BMW lines and a useful performance boost. The front wheel was dropped down a notch from 18” to 17”, and Excel rims fitted both front and rear. A front brake from a Suzuki GT750 was installed, and the stock Bing carburetors were replaced by a Keihin FCR setup—breathing through new intake manifolds machined from a 70mm