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

On the other hand, the whole feel of shifting gears is perfect for those who come from a background of traditional, gas-powered dirt bikes ... those noisy dual-sport engines.

Kawasaki made significant changes to its KLX230R line of “green-sticker" entry-level off-road motorcycles, the KLX230R and ...