As always, the start of 2025 has brought a ton of movement in the moto industry, continuing with this week’s list below: Kawasaki’s working on a two-stroke that’s headed across the pond to England!

Even as EVs begin to encroach on ICE cars, the development of fuel-burning engines hasn't stopped. With almost 150 years of development in the Otto cycle internal combustion engine, you may think ...

If you're a fan of motocross or supercross racing, you probably know that Kawasaki makes a couple of two-stroke motocross bikes. Those models, such as the KX65 and KX85, feature 65cc and 85cc ...

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 ...

Those of us who rode and experienced two-stroke motorcycles between the '70s and early '00s hold a common memory, usually accompanied by an expletive. It is of the moment a two-stroke motorcycle hit ...

Unless you're really into dirt bikes, you probably haven't touched a two-stroke engine in decades — if you ever have. These mechanically simple motors combine the four strokes we all know and love ...

Porsche was issued a patent for its six-stroke combustion engine on October 22, 2024. The company describes the new engine as having a "working cycle" of three complete crankshaft revolutions with two ...

We've seen many engine configurations come and go, with some being more noteworthy than others and some being just outrageous. Honda attempted to modify the shapes of the pistons used in its engine, ...