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Old 03-27-2013, 04:59 AM   #7542
Royal Club
Gnarly Adventurer
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Joined: Jul 2012
Location: The Netherlands
Oddometer: 392
Originally Posted by deejay_xr View Post
Yeah, the numbers the interwebs mention are completely stock too, so header & muffler.

I find it hard to believe that a high comp piston and aftermarket cam will make less power with the steel header than the original setup would have.

What's going on here fellas ?
Can anyone chime in on whether the original numbers were THAT much exagerated or not?
I can promise you a stock XR will NOT make anywhere near 43hp stock,

see this reply

And remember there are a LOT of dynos that are a little positive when reading power..

besides, its not the power it makes, its how you use it :)

Progress is far more interesting compared to peakpower.

also see these
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