Thread: Need Carb Part
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Old November 29th, 2021, 09:25 PM   #11
DannoXYZ
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Name: AKA JacRyann
Location: Mesa, AZ
Join Date: Dec 2011

Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C

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MOTY - 2018, MOTM - Nov '17
Quote:
Originally Posted by punishum808 View Post
Why?
.
Hey, I emailed you back but it seems it is easier to get a hold on you on here than email.
.
Thanks
Sorry, I was in middle of moving and missed lots of emails.

Carbs are very different between pre-gen and new-gen models:

- Different rubber manifold shapes
- Different diameter venturis
- Different needle shapes
- Different jets

End result is vastly different fuel-mappings for two completely different flow-patterns. You'll end up super-rich in mid-range with lazy response. And super-lean in high-end and risk blowing headgasket and melting hole in pistons.

Last futzed with by DannoXYZ; November 29th, 2021 at 11:02 PM.
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