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Discussion Starter #1
Having read several forum posts regarding others MPG's, I started wondering if maybe I should be concerned with my MPG. I had been using Fuelly for 3298 miles then just keeping track of my fuel fill ups with a calculator on my phone. Over 3298 miles while using Fuelly I averaged 46.1 MPG, the worst was 38.3 and the best was 60.8, which I have never come close to since, and I'm not certain that was not just an input error on my part. Just doing the calculations on my phone each time I fill up, right around 45 MPG seems to be a number I see a lot.
Maybe it is my riding habits? I don't know. I'm on the freeway most days and rarely under 75 MPH, I've thought of keeping it around 65 just to see if that makes any difference, but for some reason I just can't do it, I always have this overpowering urge to just go faster.
I'm not terribly bothered by it, but squeezing out another 5 MPG's wouldn't hurt my feelings or my wallet.
 

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Mileage changes a lot day to day. Overall higher speeds (airspeed in particular with higher airspeed meaning worse mileage) and temperatures (lower is worse) have the most noticeable overall effects on mileage. Pretty hard to tell much else

Here is a graph of MPG over 655 fill-ups on my 2006 DL650. Over 125,787 miles I averaged 45.6 mph US. (Starts end of July of 2006 ends march of 2012)




(The dark line is the trandline of the last 5 fills.)

..Tom
 

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45-48MPG at +75MPH is not unusual. I had a 2007 and now have a 2014 DL650 and I got/get mid-forties pretty consistently on both bikes, upgrade made no difference. However, I rarely do freeways (and if I do I am running at ~80MPH) and mostly ride in the twisties and I am pretty heavy on the throttle with lots of rev'ing and shifting (for fun!).

> Clovis, CA

One thing that is cutting your mileage is the 10% ethanol gas in CA. I am in the Bay Area and non-ethanol gas is not available. Being in the Fresno area (more agricultural) there maybe stations near you that have ethanol-free gas you could try if it is not too far out of your way. It could be good for ~5-6% gain. Ethanol Free Gas Stations
 

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Discussion Starter #4
Mileage changes a lot day to day. Overall higher speeds (airspeed in particular with higher airspeed meaning worse mileage) and temperatures (lower is worse) have the most noticeable overall effects on mileage. Pretty hard to tell much else

Here is a graph of MPG over 655 fill-ups on my 2006 DL650. Over 125,787 miles I averaged 45.6 mph US. (Starts end of July of 2006 ends march of 2012)


(The dark line is the trandline of the last 5 fills.)

..Tom
I am impressed that you tracked and recorded 655 fill-ups over the years. Your numbers are probably far more accurate than mine, but it does seem as though your avg. MPG is on par with what I am averaging.
 

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Discussion Starter #5
45-48MPG at +75MPH is not unusual. I had a 2007 and now have a 2014 DL650 and I got/get mid-forties pretty consistently on both bikes, upgrade made no difference. However, I rarely do freeways (and if I do I am running at ~80MPH) and mostly ride in the twisties and I am pretty heavy on the throttle with lots of rev'ing and shifting (for fun!).

> Clovis, CA

One thing that is cutting your mileage is the 10% ethanol gas in CA. I am in the Bay Area and non-ethanol gas is not available. Being in the Fresno area (more agricultural) there maybe stations near you that have ethanol-free gas you could try if it is not too far out of your way. It could be good for ~5-6% gain. Ethanol Free Gas Stations
Ethanol has been the norm here for so long I never even think about it, and I agree with you that it does affect gas mileage. I have heard many complaints about it over the years. I haven't looked at your link yet, but will do so, thank you.
 

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I am impressed that you tracked and recorded 655 fill-ups over the years. Your numbers are probably far more accurate than mine, but it does seem as though your avg. MPG is on par with what I am averaging.
That's what I thought.. Your mileage looked pretty normal to me.

655 fills is just for my 2006 DL650. I recorded my other Strom fill ups as well. :)

..Tom
 

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Speed has a huge effecvt on dl 650 mpg. While it will cruise happily at 75 all day mileage will suffer. Ispend 99% of my riding between 65 and 40 and get a solid 55mpg. Oil usage also goes up but it seems to be thenature of the engine.
 

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Over the 30K miles I've put on mine, I seem to commonly get right around 46 mpg. I've had tanks up toward 60 and into the lower 30's, but those outliers made sense under the circumstances. '04 Wee, 65K on the ODO, with highly sophisticated custom aerodynamics 😁, cancelled out by a hyperactive throttle hand.
 

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I find that running at over 6K RPMs is what affects my mileage. Keep it under 6K and it seems to make no difference if I am on the freeway in 6th or in the canyons in 3rd. Under 6K I average about 50 MPG (note: 2015 650). Over 6K it drops to 46 or so. I don't get anal about recording it but every time I gas up I run the numbers in my head and reset the trip odometer.
 
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