Lots o tuning, with a Q

[ColoNat]

New Moose racing plugs, appropriate match to dpr8s, new COPs, thanks blaxmax! and then synched with the new digisync... Q is why no reaction from cyl 3 when vacuum cap is removed? All others caused the bike to falter and drop rpm. Is it a clogged idle circuit, general over rich condition, or does the vac port tie in elsewhere and not get influenced by the same things? Seemed to sync ok, and seems to be rid of the popping around 3K rpm...

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[thor_eyerdhal]

No reaction => Cyl 3 is not working.
Youve got a false good sync (even a dead cylinder makes vaccum)

-Idle circuit clogged
-butterfly too much closed.

 

[ColoNat]

Thanks, one more thing to try and sort... progress is a wonderful thing!

 

[aikidoka]

I have the carbtune is the digisync better enough to justify getting?