Fuel injection and four-stroke engines ... two-stroke enduros, like a few in the 125cc and 144cc–200cc displacement range ...

It’s an Open Source Two-Stroke Diesel Engine that’s easy for anyone to ... with the intent of scaling the design up to 125cc and 250cc. So far, [Shane] has about 30 hours of simple CAD work ...

The latest crop of 250cc and 300cc two-stroke motocross bikes includes ... The most exciting new features that are seen on the updated liquid-cooled 249cc two-stroke engine are electronic fuel ...

Toyota has big plans for its latest powerhouse and here's everything you need to know about the company's 2.0-liter ...

This three-wheeled ATV launched in 1985 and came packed with a 250cc 2-stroke engine. The Tri-Z 250 was Yamaha's answer to the widely popular Honda ATC. But, while three-wheeled vehicles tended to ...

Café racers are stylish and stripped-down bikes that harken back to an era of motorcycles, and enthusiasts can join in on the ...

YD-2, the first Yamaha motorcycle which had an electric start, had a 250cc, twin cylinder, 2-stroke engine and a monocoque frame.

QUESTION: What was the last car to have a two-stroke engine? As strict Western emissions standards were developed, two-stroke models were phased out. However, this was not the case in the ...

We’re introduced to the traditional two-stroke diesel engine as thermally efficient but not smooth-running, and then the gas turbine as smooth but much more inefficient. The free piston engine ...

The two-stroke engine had a fuel economy of 100 MPG ... and Simplex added sports and luxury models in 1936. Additional modified 250cc and 500cc models followed in 1937, along with a new 500cc in 1938.

The combination of a high-powered 250cc 2-stroke YPVS (Yamaha Power Valve System) engine, lightweight aluminium chassis and one of the best suspension packages in its class makes this bike like no ...