It's evident that 450cc four-stroke dirt bikes are faster than 250cc two-strokes. If the 450 wasn't faster, professional motocross and supercross riders would be racing 250cc two-strokes.

The 2026 Beta RR X-Pro 4-Stroke lineup has a hand-winning ace up its sleeve for California riders—they will be eligible for a ...

Different strokes for different folks: The 2-stroke vs 4-stroke debate. ... For many motorcycle enthusiasts, working and riding on two-stroke bikes capture the essence of a bygone era.

While its look recalls a bike from the late ’60s, this majestic moto will not leave you wanting for present-day power and ...

Yamaha points to "the push for more environmentally friendly machines" as the impetus for 4-stroke dirt bikes — which sounds like a familiar argument for electric vehicles vs. gas engines in ...

In this case, though, the livery is meant to be a tribute to the YZM400F which became the first 4-stroke bike to win races in both the Motocross World Championship and AMA Supercross. Yamaha is ...