Cycle News Magazine 2026 Issue 14 includes 2026 KTM 1390 Super Adventure R review, St. Louis Supercross, 2-Stroke World Championship and more.

Anyone who appreciates simplicity of design and efficiency of operation has to like small two-stroke-cycle engines that power construction tools such as cut-off saws, rammers and breakers. Producing ...

Click to open image viewer. Dr. Hugo Junkers started development of his Diesel aircraft engines in a small factory at Dessau, Germany in 1911. His early engines functioned on the two-stroke cycle ...