Yamaha points to "the push for more environmentally friendly machines" as the impetus for 4-stroke dirt bikes -- which sounds ...

MSRP is $4,049. Related: 2023 Kawasaki Trail Bikes First Look 2023 Yamaha TT-R230 Yamaha’s TT-R230 is powered by an air-cooled 223cc four-stroke engine that uses a carburetor and six-speed gearbox.

Yamaha naturally turned its R&D assets to the new goal of creating bikes with large-displacement 4-stroke engines. As the other manufacturers sought to outdo each other in the development of ...

4stroke is used in gixxer.2 stroke engines are no longer used in any bike as it causes more pollution and are not efficient as 4 stroke engines.

Many factors can contribute to the potential top speed of a dirt bike. Dirt bikes are equipped with either 2-stroke engines or 4-stroke engines. If you ever spot a 2-stroke dirt bike, you would likely ...

enduro style headlight assembly and tough polypropylene fork protectors underline the bike’s dual-purpose image, and a 10-litre fuel tank gives plenty of range between refills. Powered by a reliable ...