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.
Description: ...any standard racing engine of 350cc. or 500cc. Outstanding features in its design were the short wheelbase frame, embodying the Wallis patent lug ...