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what does it take to run a 400ex with stock 450r

  • stock mph of 400ex

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  • upgrades to run the 400ex with stock 450 r

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Discussion Starter #1
im thinking about buying an 09 honda 400 ex i wanna know how much effort it would take to be able to run with a stock 450r? and maybe if anyone knows whats the stock mph on the stock 400ex?
thanks
 

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I have an 2007 400ex. It goes about 65mph in stock trim. My bike has an exaust and a k&n air filter. thats it for motor parts. If you want to keep up with a 450 buy one. On the trails i keep up with my buddies pretty good but in a race they kick me around a little. but i like my quad and would recommend one to anyone. but it will never be as fast as a 450 and if you get close all they have to do is modify and they can do more because you start of with more displacement.
 
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