Sixstroke Engine Developments The Sixstroke Engine has extraordinary qualities. Capable of producing enormormous torque at low RPM or screeching peak power far greater than an equivalent poppet valved four-stroke, the development of Malcolme Beare's Sixstroke Engine is back on track.
The Rickman brothers had already developed a chassis to take this engine (albeit, as a special race bike for the 1970 Bol d'Or), so the Rickman-Interceptor was born...
