Both bikes feature 49cc liquid-cooled two-stroke engines with 6-speed transmissions and chain drive. Perhaps one of the best-known 50cc Yamaha motorcycles is the DT50. First appearing on Yamaha's ...

It’s an Open Source Two-Stroke Diesel Engine that’s easy for anyone to ... he’s scaling the design down to a 50cc motor with the intent of scaling the design up to 125cc and 250cc.

Its 50cc two-stroke engine has beginner-friendly manners, and the automatic transmission means no shifting is required. At 18 ...

The 50cc engines are the smallest type of engine manufactured ... It features a liquid-cooled two-stroke engine and a CVT transmission. The 1.5-gallon tank of fuel capacity and a foot-controlled ...

The result is the Janus Halcyon 50, and the creation is powered by a liquid-cooled 50cc two-stroke engine. What you're looking at here is a brand-new, small-displacement motorcycle from Janus ...

Built as a trail bike that works well in busy cities, Chappy sits low on tiny wheels, has a 50cc two-stroke engine, and zips through and around anything with ease. This bike straddled the line ...

The two-stroke engine has largely disappeared from motocross ... While many motocross racers start out riding 50cc motorcycles, the KX65 is still a good bike to learn on if they've missed the ...

Its race type R-series bodywork cuts the air like a knife and for super-responsive acceleration it runs with a liquid-cooled 50cc two-stroke engine. The sports chassis and 190mm front and rear ...

In 1958, Bridgestone would produce its first actual motorcycle. The original Bridgestone Champion was built on a pressed-steel frame and sported a 50cc two-stroke engine with surprisingly good ...

The 2011 MY Zuma 125 picks where the 50cc, 2-stroke Zuma left off ... but with a much stronger-pulling 124cc fuel injected, 4-stroke engine. Equally agile on asphalt and dirt, the Zuma 125 ...