I only get 30 - 32 mpg. My 2005 Ultra has V&H True duals, SE Air Filter, SERT and was Dyno Tuned. The bike does not ping or backfire, and runs very cool, and runs consistently strong. For now I will take the low mpg in exchange for the performance.

 

I just got off the phone with Keith at FM. He suggested reducing the fuel by 5% at the 10-20% TP at 2000-4000 RPM. He said that should net me 3-5 mpg increase. I will give that a try and see how my bike reacts.

 

That is me, but throw in some suburban driving for the daily commute. When I go on a longer ride with the local HOG chapter, it climbs to near 44-45MPG. Bone stock motor.

 

Maybe its the gas here in So. Cal.? When I had just stage one i was getting exactly the same mileage, 35 mpg.
I put cams in and now I only get 30-31 mpg. I do like to ride aggressive from time to time.

 

I just went from an'03 EG Classic to an '08 Street glide. I haven't checked but I can tell I don't get near the gas mileage now as I did with the '03. I figured it was the difference between the 88 ci and the 96.

 

I average out at about 38 mpg for freeway and city combined. That said, freeway is at 80 mph and city is stop and go, with some degree of enthusiasm on the throttle.

 

I just checked mine two weeks ago. 42 MPG, running mostly 91 octane, 320lbs on the bike, 103", 255 cams, V&H True Duals, V&H Moster Ovals, 99ft lbs/89 HP, I sat in 6th gear at 55-60 mph up and down hills with the cruise on just to see if it would bog, no problems. That was a 280 mile afternoon.

 

dang...im stock and i get 33 mpg


steve

 

I think 35mpg is on the low side for the type of riding you describe, but not horribly so. If you were getting 35mpg in city riding I'd say that's about as good as you're going to get, but with a combo of city/highway like you're describing you could easily be in the 40's, even with Fuel Moto's rather rich map.

I get 48-49mpg at slower highway speeds using E10 93-octane and 45mpg at interstate speeds, but only 37mpg in city riding. I've done quite a bit of map tweaking, though, to get this far. Fuel Moto tunes for optimal performance and cooling, and although performance and mileage don't work at odds if tweaked properly, mileage and heat do work inversely proportional to one another. Adding an oil cooler may reduce engine temperatures enough to make a difference with detonation on the highway and should allow you to lean the cruise-range for better mileage. Adding a map switch to the PCV will enable you to switch to a richer map on the fly for helping to cool during those times you get stuck in summer traffic. There are all kinds of ways to juggle mileage, heat, and performance--and many are described in this forum. If you do it right you can have all of these virtues together.

Since you can't get 93-octane in your area I would suggest having it dyno-tuned, or start tweaking the fuel-adj. and ignition-timing tables yourself (cruise-range only) until you're happy with the result. This process isn't for everyone but if you try it be sure to save a copy of the original map to your computer in case you want to revert to it later.

 

If i remember right my 06 runs in the high 30's . Hell my truck and car doesnt get that kind of mileage so why worry about the bike .. I guess if I wanted like mid to high 40's id have bought a honda ...
Screw it just ride !