In dirt bikes, what does CR,KX,RM, and YZ stand for respectively
I was told CR stands for "course racer"?
The YZ is for Yamaha's 2 stroke line of racing motorcycles. The CR is Honda's version of the same and KX is Kawasaki's. RM is Suzuki's 2 stroke line of racing motorcycles. Talk to a motocross racer for more on the same.
I think it's just used as a manufacture reference and they don't make 2 strokes anymore everything is four stroke for environmental reasons