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Originally Posted by RobRiguez
Isn't ideal AFR usually 14:1??
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For fuel mileage economy, and emissions maybe... but 13.2:1 is the ideal AFR for performance, and 12.8:1 - 13.4:1 is recommended for all cell values, other than the cruise range.I never want my bike in the 14:1 AFR mark, especially now, with all my engine mods in place.
This is how the Autotune comes programmed, stock from the factory:
Dynojet states in their literature that:
"If fuel mileage is a concern then you can alter the Target AFR values in the cruis range. Dynojet considers the cruise range to be 2500 - 3500 rpm and 5 - 20% throttle (excluding Vrod).
Stock AFR values for this range is 14.7:1 so you can lean out the base settings up this value if desired. Dynojet does not recommend making the bike any leaner than 14.7:1 in the Target AFR cells."
"Dynojet has found that the best compromise of fuel mileage and throttle response to set the cruise range to 13.7 - 14.0."
"For all other ranges 12.8 - 13.4 seems to work best."