We now know that it has a claimed dry weight of 403 pounds, which should be competitive with its Japanese
literbike rivals. The all-new inline-Four powerplant displaces 999cc, and its cylinder head is said to be very narrow and compact, with the valves actuated by “very small” cam followers that are nearly at Formula 1 levels in size. This allows “very high engine speeds,” according to
BMW PR materials.
More:
2009 BMW S1000RR Entering Production. on Motorcycle.com