Might not believe me but adding a little seafoam to my fuel always boosts my mpg some. Not only that but it's a good fuel system cleaner. Win win situation there. I think it treats the ethanol problem too but not sure on that 100 percent

 

Even ethanol free fuel blends of the same octane grade can make a difference, I want whatever they get to use in South Dakota, I didn't do the math but more than once I reached 180 on the trip meter before the fuel warning light came on, down here in NEOK I get to 150 and the light comes on.

 

This is me, pretty much with the same setup. Average probably about 38mpg.

 

The fuel blind is a biggie my best 42 with tail wind and 32 in a head wind and very thing in-between.

 

Quit running the cheap stuff and see what Happens... I only run 93 oct and get anywhere tween 43-47 mpg in any gear at any time. .... the book say's 91 or better...

 

I get 35mpg day in and day out on my '10 Fat Bob. I'm 245, it's stage 1 + cams, I get about 4K from a rear tire if I'm lucky. I ride it hard. I'm happy with 35

 

my Ultra (96 c.i.) gets 37-38 around town, and 41-42 highway cruising at 70. At 75-80 it drops down to 37. I always run 93 octane.

 

another "street legend" about octane..
I call BS on higher octane getting better mileage .

 

I heard this as well. I do the 93 stuff all the time. What do you recommend?

 

Thanks for the responses! I have a 6 gallon tank.....so I guess I'm getting right around 33 mpg. Keep in mind...this isn't much stop and go riding or interstate speeds...mainly 60-75. Also.....in my area....91 is highest fuel. Our choices are limited to basically 87 or 91. I do have a stage 1. I will also clean the air cleaner and see if that helps.