Top Speed


8 replies to this topic
  • downin

Posted September 25, 2010 - 11:12 AM

#1

Does anyone know the top speed of an 09 yz450f, that is completly stock? Just curious to see what it will do.

  • grayracer513

Posted September 25, 2010 - 12:59 PM

#2

Depends on the surface you run it on. Right at about 80 on pavement with knobbies. Less in the dirt.

  • ttr250dude

Posted September 25, 2010 - 03:01 PM

#3

Why do u want to know the top speed?

  • Steel Panther

Posted September 25, 2010 - 03:32 PM

#4

I was goin 74 on dirt via a wr450 next to me. It felt like it had a little more in it as well.

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  • downin

Posted September 25, 2010 - 05:23 PM

#5

I just wanted to know if it would hang with a cr500 or kx500.

  • mikedabike

Posted September 25, 2010 - 07:59 PM

#6

I just wanted to know if it would hang with a cr500 or kx500.


Depends on the rider. The 500's have a few more ponies and with the right gearing will probably pull a higher top speed. Acceleration is pretty close since the 450 puts the power down better. How many opportunities do you have to reach top speed in off road riding where you ride?

  • downin

Posted September 26, 2010 - 04:05 AM

#7

I have an open hay field where i can all but get opened up. Its a good place for drag racing. I raced a blaster there once and i think i had it beat in second gear :ride:

  • Polar_Bus

Posted September 26, 2010 - 05:10 AM

#8

Does anyone know the top speed of an 09 yz450f, that is completly stock? Just curious to see what it will do.


I've GPs's my stock '07 at 74 mph on gravel logging roads, and i've pulled a top speed of 84 mph with slightly altered gearing, and a roller chain out on the ice in winter.


I just wanted to know if it would hang with a cr500 or kx500 .


I have both. Generally speaking a stock KX/CR 500 will out run a 450 on top end if traction is good. My KX500 will consistently pull about 85 mph WOT. The KX's have a "double overdriven" transmission in 4th and 5th.

  • STROKEDIESEL

Posted September 26, 2010 - 06:57 PM

#9

I've GPs's my stock '07 at 74 mph on gravel logging roads.


same here and i didnt want to go any faster.





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