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Old April 28th, 2020, 01:53 PM   #57
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 maverick9611 View Post
at max on intakes
So you're at ~0.24mm clearance on intakes already? If so, I can't imagine overlap reversion being problem as it ran fine from factory with that setting.

What are your individual exhaust clearances?

Now timing of cam-lobes is critically important as well. Worn or mis-adjusted cam-chain will retard cams and result in later intake-closing. Engine should scream and rev like banshee in upper-RPMs with this mod (be more like pre-gen). But again, I can't imagine how Seafoam will affect this for better or worse.
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