When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
I'm looking for input on what AFR I should have on a 125 hp shot. Right now I am 12.9 N/A and 11.9 on the jug. I am running 25* of timing. Am I where I should be or should I richen it up a bit?