“Big” is the word that underlines everything about the Vulcan 2000’s engine. Inside each cylinder resided a massive forged piston that would move a significant 123.2 mm of stroke length ...

We’re introduced to the traditional two-stroke diesel engine as thermally ... Perhaps the free piston engine has faced its biggest problem not in the matter of technology but in inertia.

Yep, it’s happening! Less than a year after we reported on new patent filings, Kawasaki takes to social media to tease a new ...

This isn't the most powerful big-2-stroke meets tiny bike swap we ... When the KV75 launched in 1971, its 75cc 2-stroke engine pumped out just four horsepower at 6,500 rpm and the torque isn ...