Does anyone have the AFR's from any of the posted DYNO runs from Fuel Moto's products? I am just curious about where they are compared to the stock high 14's of stock Harley.

 

Jamie runs his sheets around 13.0 AFR this is target for WOT runs

 

We generally set the AFR between 13.0-13.2:1 at wide open throttle for the dyno runs we post. This depends on the application and what the motor wants.

 

Stock bikes run 14.6:1 in closed-loop mode, and the FM maps I've seen use target-AFR's around 13.7:1 in the cruise range, tapered down to 13:1 at 80% TP and above. This is a good AFR in the cruise-range for cooling and throttle-response but mileage will suffer somewhat. The fix is a map switch, but that's another subject.

 

Thanks for the information?