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If you are intested in sport bike dyno charts, I have hundreds ran on Yamaha sport bikes.
I will upload dyno charts as requested
Thanks
Flickr: kennedy_power's Photostream
Hi Kennedy,

I'm just a bit interested what porting mods and pipe specs you used to achieve the boost in power ? Looking at the graph I guess you have used a non power valve (YPVS) RD/RZ350 from the pretence that you could not port a variable exhaust port. To gain that increase, which looks large, but it all looks good but how do you hold on to the bike with so much power over the chassis capabilities ?
Regards Jim
 

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Just out of curiosity, post up what you got for the 06/07 R6's and what you got for the 08/09 R6's. Stock vs. with any mods
 

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Discussion Starter · #6 ·
Hi Kennedy,

I'm just a bit interested what porting mods and pipe specs you used to achieve the boost in power ? Looking at the graph I guess you have used a non power valve (YPVS) RD/RZ350 from the pretence that you could not port a variable exhaust port. To gain that increase, which looks large, but it all looks good but how do you hold on to the bike with so much power over the chassis capabilities ?
Regards Jim
I would suggest a Mat Shearer pipe kit, my port and head mod.
90hp on gas with a strong TQ is very possible
Then install a 58mm crank and hold on
 
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