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Discussion Starter · #1 ·
We have a 400 EX that we have been building on for a few years, just a little at a time. Stroked, ported, big bore, good cam, big carb, good pipe. It is still on gas. What are some good dyno numbers for a well built 400EX?
 

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Discussion Starter · #2 ·
Well 17 looks and no responce? The bike dynoed @ 49.9hp @ 8800 and 33ftlbs @ 7200. I was quite impressed with it. That was on gas. I just wounder if that is average for a 465 or above or below average? The bike is not set up to the point we want and ran 7.82 @ 79.99MPH. I think we will see better than a 7.50 in due time.
 

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Discussion Starter · #4 ·
Well we begged the guy to not spend the money, OCD is tough to work with. I run a banshee and a raptor. I do all the port work. But as you said, we have no comparison. I think it's flying, but who knows.
 
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