Did you think two-stroke bikes were going away? Kawasaki is pleased to say that’s not the case. The green-and-black manufacturer just announced the KX327 and KX327X, its largest-displacement ...

They were fast, loud, and smoky — then gone almost overnight.

Kawasaki has plans to develop a range-extender hybrid with a supercharged two-stroke, four-cylinder engine charging a battery that powers an electric motor driving the rear wheel. It seems like a ...

Dmitry is a former Motorcycle Safety Foundation Rider-Coach, a writer of several fiction novels, a travel junky and an occasional YouTuber. He's owned and ridden a lot of motorcycles, loves vintage ...

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 ...

Unit shown in the bottom of the photograph has been removed to show operation of the V-drive which is base of V-four engine.Ring gear shown on lower shaft of top unit is driven by a pinion mounted to ...

The piston ends its downstroke and begins moving upward, compressing the air/fuel mix until combustion happens and the whole cycle begins anew. This means that the high torque efficiency of the ...

As PopMech’s autos editor, I obviously consider myself a car guy. But when it comes to two wheels, the capabilities of modern motorcycles astonish me. We now have road-legal bikes that produce over ...