ATV Connection Magazine

how fast my 400 ex is

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Posted by: tprender

Check out this and fill in the numbers.

http://home.earthlink.net/~gellett/400ex.htm

Posted by: zukimanmx

Thats pretty sweet, is 15f 38r the stock sprocket sizes on the EX?

Posted by: zukimanmx

No, the Blaster will eat the 250EX. It's to mild manered to compete with the little light weight 2 stroke.

Posted by: chad400ex

Yep, that's the stock gearing. I think it's geared a little high for the dunes though. I'm going to check out what putting a 14 tooth front sprocket on will do to my top speed....hopefully not too much.

Posted by: sma4life69

i've just got a 02 400ex and im wondering how fast is the top speed
stock:
raced out:

Posted by: dacuteboy4u

Can a 250ex beat a blaster

Posted by: dacuteboy4u

I bet i can beat a blaster with my stock 250ex.Im really light so my 250ex goes prety fast.What is the best pipe for a 250ex?

Posted by: dacuteboy4u

I was thinking the fmf maegamax2 also.Any one now how much speed it will add on.
And where can i get a grapic kit for my 250ex

Posted by: 250EX1484345

i have a '02 250ex with a t-4 pipe, k&n filter and jet kit and i whooped my friends blaster........but his blaster is stock so i dont know

Posted by: 250EX1484345

i would say the best pipe for the 250ex would probly be the pro circuit t-4 or the fmf megamax2