The largest parallel-twin engine ever fitted to a production motorcycle is not some futuristic prototype, but a bruising British twin that quietly rewrote the rulebook on displacement and torque. It ...

The turbocharger has brought significant improvements to automotive engines' output. In those engines, exhaust gas that leaves the cylinders after each combustion cycle is routed to the turbine, ...

This Triumph cruiser with a huge parallel twin was a bold rival to the heritage-rich American V-Twins from Harley-Davidson ...

Jawa is one of the most storied names in motorcycle history, with roots stretching back nearly a century. Founded in 1929 in Prague, Czechoslovakia, Jawa’s first model was the 500 OHV, which did ...