2006 CRF450R=50HP, my 06 dyno'd in at between 39 to 51 within seven tests so I'd say a straight 50 to the back wheel is the correct HP for this machine
186 hp
Horse Power Road to the Maclay - 2006 was released on: USA: 1 February 2006
Horse Power Road to the Maclay - 2006 1-3 was released on: USA: 15 February 2006
Horse Power Road to the Maclay - 2006 1-1 was released on: USA: 1 February 2006
Horse Power Road to the Maclay - 2006 1-2 was released on: USA: 8 February 2006
Horse Power Road to the Maclay - 2006 1-4 was released on: USA: 22 February 2006
Horse Power Road to the Maclay - 2006 1-5 was released on: USA: 1 March 2006
Horse Power Road to the Maclay - 2006 1-6 was released on: USA: 8 March 2006
wellas you know, Horsepower is very verylarge.i would say: about: 100 horse's per power.
425
67.44 horse power.
i have an 03 crf450r mostly stock and ive hit 91 and might get about 93