For 2007, Buell is to return to their racing roots and offer a privateer, race ready superbike to 50 lucky buyers. The Buell XBRR is to be powered by a 150 bhp racing version of the V-twin engine used in the XBR Firebolt.

Various engine modification kits will allow the XBRR to compete in a variety of racing classes. The V-twin engine features a dual downdraft throttle body fuel injection system, a ram-air intake, 150 + horsepower and 100 ft. lbs. peak engine torque at 6500 rpm. The racing bodywork is constructed from carbon fibre.


A short article on Buell's radical engineering.

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