Anywhere from 80 to 90 depending on where you r riding and you shouldn't be asking the top speed of a motor cross bike.
101mph
i have an 03 crf450r mostly stock and ive hit 91 and might get about 93
A stock Honda crf450r will hit about 90-95 mph.But it all depends on the weight of the rider and what your tooth ratio is on your sprocket's? If you have a small sprocket on the front and a big sprocket on the back you are going to get more top end speed than acceleration .if it is the opposite way around you are going to get more acceleration but less top end speed.
suspension settings and played with the fuel injection again theirs practically no difference between the 09 and 10 crf450r's
.006 in. Intake .011 in Exhaust
186 hp
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
Go with the 450, I had an 06 250r, sold it and got a 07450r the power difference is immense, and the only difference in weight is about 30 pounds. You'll be much happier having the power there.
Motorcycle oil
2007 CR250R and a 2010 CRF450R
Hi , i know from experience that a 04 crf450r tank does not fit a 06 crf450r so id say its a fair guess that the 250s dont fit either
if you have one of these pansy bikes sell it if you can and buy a ktm. My crf 450 tops out at 80mph with the way its geared, which is plenty fast enough going down a fire road. If you want all out speed and hang on for your life go for a two stroke cr 500. Dont get mine out much but when I do I remember why I want sell the thing, 5th gear on one wheel while leaving half your tire on the road/ trail is a experience.