i would say around 80-90mph
125mm
80-100 mph
I topped out my yz 450 at 110mph. with just a few modifications
The 2005 YZ450F (third generation) had just over 52 HP
10mph 10mph
about 90
110-130km
52
You are driving a 2003 mini.... it isn't meant to go that fast.
Well if you look at it in the science way then it is obiously 2012 yz250 but the way that other people look at it then it is 2012 yz450f
The Yamaha Motor Company produces the YZ450F. This is a type of motocross bike. It is widely credited to be the bike that started the four-stroke bike revolution.