Join Date: Aug 2010
Motorcycle: 2009 GSXR750, 2012 Yamaha R6, 2011 Ninja 250
Re: What target A/F ratio for PCV w/ Autotuner?
13.4 for a 1000 - 1500 rpms before your bike normally starts building big power will smooth the delivery and make some extra mid range gofast. Then drop it back down to 13.0 / 13.2 where it starts normally building power. I'll go 13.5 on the top end of things on a track bike for some extra power on top.