You should listen to me. No, seriously, listen to me.
Join Date: Oct 2008
Location: Santa Barbara
Motorcycle: Blue 2006 GSX-R1000
Re: Uneven Idol after Decat and Yoshi R77 slip on installation.
You might try blocking the PAIR valves, if not already done. There are ways of doing this that are crude but quick and easy - like plugging the air supply line with a marble.
Also I wonder if you might have an exhaust leak somewhere in the vicinity of the HO2 sensor that's allowing air to be pulled into the system at idle. Check the various joints. You might also try looking at the HO2 sensor output per 1A-106 of the service manual to see if it's moving around. I'm unaware if newer versions of SDS display such information.
Last edited by BillV; 07-28-2016 at 08:25 PM.
Reason: Added Also