I got 28mpg before my TFI, and now I average 33mpg, but it took a bit of work. I use 3 tankfulls to get my "official" result. (and I don't use the tank full where I do my adjusting, because of all the idling it takes me to set the controller.) I called Dobeck a few times, but I couldn't find my notepad about this. I remember that mode 4 should be set to .05 or lower because that is the deceleration mode. I want to improve my mpg but this is my best so far. (Harley Davidson says I should get 34 city & 53 highway mpg on stock, & I have a stage 1.)
To get the best mpg I also had to stop doing short rides (under 5 miles/15 min) and be sure to warm it up every time. Changing the oil & tranny fluids regularly (Mobile1 for Vtwin & Spectro Platinum) and keeping the tires at the right inflation also helps.
Good Luck!
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