The most powerful motocross bikes on showroom floors are those of the 450cc four-stroke variety ... Related: 2024 Dirt Rider 450 Motocross Bike Comparison Test 2024 Honda CRF450R Excellent ...

But I then figured Triumph would stop at a 250cc dirt bike. I mean, they don't need a 450cc for anything. Why go to all that trouble in building out a thumper? I guess what you should take from ...

Honda gave the 450RL a different tune from its 450cc single than the the 450R you typically see on dirt, but the throttle response is still instantaneous. It’s not quite a two-stroke dirt bike.