That's it right there! I've gotten 50-mpg when the outdoor temp was 90 to 95-F...When the outdoor temp is below 40-F fuel mileage drops to 31 to 34-mpg...It's the world we live in with an air-cooled engine!!

 

I have found out that fuel mileage is in direct proportion with the throttle movement. the engine is still new, give it a couple thousand miles and then check out the fuel mileage.

 

Gotta call BS on this one. There's no way a drop in temperature is going to cost you 40% of your fuel economy. This is an excellent example of why spot checks will produce erroneous results.

 

To each their own...A carbed motor with a hot cam is the reason...No BS here, Hauss...

 

Too early to say anything with an engine that new. And it's difficult to compare anyway, because I think the german Tankstellen don't have the same gas, unless they're going with the ethanol thing now.
Give your engine the time to break in and then some, around 2500 miles, and then figure out the gas mileage again. And yes, 95 MPH isn't helpfull when figuring out the mileage. If it stays like that in the summer with a broke in engine, 31 MPG is absoltely unacceptable for a stock fuel injected egine. I get better then that with a rich running carburator.

 

I agree that if you track it over time you will get a much better idea of mileage.

As an example:

 

For what it's worth. I rented a 2011 FLTRU with the stock 103 motor last week down in Florida. I averaged around 47 mpg for 1,000 miles. And that's with getting on it pretty good. The bike had about 2K miles on it when I picked it up. I was really surprisd that the mleage was that good.

 

I don't even keep track of it anymore....I know I get much better with the Harleys than in my one ton 454 Chev truck..LOL.

 

Check it again at 3000 miles. You should be around 38mpg with that setup...maybe 40mpg.

 

Getting low 40s on stok FLHR with mostly country roads.