Gas mileage - Page 4 - BMW R1200GS Forum : R1200 GS Forums
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post #31 of 40 (permalink) Old 31-Aug-2017, 11:36 AM (691)
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No idea how te r1200rs compares on practice, but with the same engine and better aerodynamics it should in theory be better. I presume it's the same engine/tuning etc anyway...
In general I do find BMW bikes to be very fuel efficient. Tried an f800r the other day, couldn't make it below 65mpg of it tried, and with an easy going riding style I was up to 85. Outrageous.
Driving style definitely plays a role, but still, those are pretty fuel efficient engines I believe.
Although to be fair I'd have to own a few more bikes to have an objective comparison (better fill up the garage!)
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post #32 of 40 (permalink) Old 31-Aug-2017, 12:48 PM (741)
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Originally Posted by Southpaw View Post
While on my bike trip to Smokies/Appalachia, a few weeks ago, it was a common site to find gas stations bragging about "no ethanol" fuel. Same price as their competition.
Yup... I live in Ashe County, NC (with all of 25,000 people in the entire 400 square mile county) and have no trouble getting non-ethanol fuel in any grade - 87, 89 or 93.
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post #33 of 40 (permalink) Old 31-Aug-2017, 12:56 PM (747)
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Well that is the first encouraging thing I've read when considering my plans to trade my new R 1200 RS for the current new GS. My reasons are ergo based but I get phenomenal mileage from my RS and finished an 8,000 mile run a couple months ago with a pal on his Harley and me on the Beemer and for the whole 8000 mile trip I averaged on one setting 51mpg overall on premium fuel , and in one or two sections of the ride where the average speed limit was pretty low , I managed a tank average of over 60. Not completely trusting the computer I did a measured test on the next tank and did the math and it was about 54 mpg. So with streamlined panniers and top box and my lard arsed 190 lbs and another hundred pounds of gear on board I was pleased and am currently wondering what I can expect with my conservative riding style to get on the more squarish panniered GS.
I'm 170 lbs. and fully loaded I get about 51 mpg on my 2015 GS. Unloaded cruising country back roads I get closer to 55 mpg. I do run non-ethanol fuel though...
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post #34 of 40 (permalink) Old 15-Oct-2018, 12:00 PM (708)
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Kam - can we resurrect this thread?! I ran across this thread while doing search online for fuel economy wisdom for r1200gs. This specific thread motivated me to officially join this forum 🙂

I'm getting horrible averages on my new/used 2013 GSA. Just FYI - I REALLY abhor poor fuel economy. 🤓 I'm probably averaging 37-39mpg.
And no that's not revving like a bat out of hell going 80mph etc. I could probably live with 42-48mpg. 50 would be minimum ideal. But 37mpg isn't much better than what my mini Cooper gets! Lol.

I'm curious what you're update is on the 89octane usage etc. Did you still see increase in mpg? Adverse affects since last year?

I'm jealous of ayep over there in France! Like, what??? 60mpg. That's what I'm talking about! That's what we should be getting. I want to atleast understand why or why not.
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post #35 of 40 (permalink) Old 15-Oct-2018, 12:06 PM (712)
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Originally Posted by Ayep View Post
No idea how te r1200rs compares on practice, but with the same engine and better aerodynamics it should in theory be better. I presume it's the same engine/tuning etc anyway...
In general I do find BMW bikes to be very fuel efficient. Tried an f800r the other day, couldn't make it below 65mpg of it tried, and with an easy going riding style I was up to 85. Outrageous.
Driving style definitely plays a role, but still, those are pretty fuel efficient engines I believe.
Although to be fair I'd have to own a few more bikes to have an objective comparison (better fill up the garage!)
Ayep- bonjour! What model/yr gs do you ride? And where are you in France?
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post #36 of 40 (permalink) Old 15-Oct-2018, 12:07 PM (713)
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Originally Posted by Kam View Post
Reply from bmw part 2

Thank you for your reply.

My apologies, your vehicle does not have knock sensors. However we still recommend using TOP TIER Detergent Gasoline with an octane rating of AKI 91.

For your convenience, the BMW Motorrad Customer Relations and Services Department is available Monday through Thursday from 9:00 a.m. to 9:00 p.m. ET and Friday from 9:00 a.m. to 6:00 p.m. ET. You can reach us at 1-800-831-1117.

Have a wonderful day!

Regards,

Katie Sullivan
BMW Motorrad USA
Representative
Kam! Hiya. Any updates to share with you 89 octane experience over last year?
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post #37 of 40 (permalink) Old 15-Oct-2018, 01:49 PM (784)
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Just gonna throw in something I saw when I took the Bill Dragoo off-road class at the MOA rally in Des Moines a few months ago...

Iowa is in the middle of the corn belt, which unfortunately means that a lot of the gas stations offer four different "grades" of gasoline which differ only in the amount of corn ethanol that's been added to the 87-octane gas. Making things worse, many stations label the 87-octane E10 as "SUPER" because it's got the magic ingredient (that is, an indirect farm subsidy) added. So, a fair number of the bikes at the class were running on this stuff, and when we got to the "starting on an uphill" part of the class things got interesting. In theory, you're supposed to keep the rpm up and slip the clutch to get started, but this was a training exercise and a lot of people lugged their bikes. The older oil-cooled bikes would generally make one or two loud "CRACK!" noises from pre-ignition before the knock sensors backed off the timing for the rest of the climb. The newer LC bikes rattled like a tin can full of marbles all the way up the hill! I doubt this hurt anything, as it was just a quick training exercise, but it sure did sound horrible!

Makes me wonder what MOA was thinking when they put the rally in the middle of a high-octane gas desert...
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post #38 of 40 (permalink) Old 16-Oct-2018, 10:49 PM (159)
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Originally Posted by saughblade View Post
Just gonna throw in something I saw when I took the Bill Dragoo off-road class at the MOA rally in Des Moines a few months ago...

Iowa is in the middle of the corn belt, which unfortunately means that a lot of the gas stations offer four different "grades" of gasoline which differ only in the amount of corn ethanol that's been added to the 87-octane gas. Making things worse, many stations label the 87-octane E10 as "SUPER" because it's got the magic ingredient (that is, an indirect farm subsidy) added. So, a fair number of the bikes at the class were running on this stuff, and when we got to the "starting on an uphill" part of the class things got interesting. In theory, you're supposed to keep the rpm up and slip the clutch to get started, but this was a training exercise and a lot of people lugged their bikes. The older oil-cooled bikes would generally make one or two loud "CRACK!" noises from pre-ignition before the knock sensors backed off the timing for the rest of the climb. The newer LC bikes rattled like a tin can full of marbles all the way up the hill! I doubt this hurt anything, as it was just a quick training exercise, but it sure did sound horrible!

Makes me wonder what MOA was thinking when they put the rally in the middle of a high-octane gas desert...
Lol. Thanks for sharing. Pretty funny.
Are you riding the oil or the LC?
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post #39 of 40 (permalink) Old 17-Oct-2018, 12:41 AM (237)
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Originally Posted by BeauxEllis View Post
Ayep- bonjour! What model/yr gs do you ride? And where are you in France?
Hello there

I live in the Marseille area. It's a March 2014 production GS, short of 18000 miles now. I've tried SP95 and SP98, quite frankly, can't notice any difference in behaviour, and fuel consumption is still excellent. I don't lug the bike either, between 3000 and 5000RPM is a confortable zone for this engine I find. The one thing that does kill the consumption is high speeds on motorways. On a section of pure motorway usage, driving 140 kph average, I got the fuel consumption to 42mpg. Was also fully loaded with passenger. That's as bad as I ever got it.
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post #40 of 40 (permalink) Old 17-Oct-2018, 07:37 AM (525)
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Originally Posted by BeauxEllis View Post
Lol. Thanks for sharing. Pretty funny.
Are you riding the oil or the LC?
Oil ('06 hexhead). I'm too poor (well, cheap) to afford an LC!

I found two not-quite-consistent fuel requirement stickers on the GS: the EPA compliance sticker on the frame says required fuel is 91 octane (since this is a US government sticker, I assume the unit is average R+M). There's a more prominent sticker wrapped around the fuel filler, and while much of it is worn away it recommends 89 octane. Go figure...

I typically run 89 octane mid-grade. If the station has only 87 octane regular and 91 octane premium, I'll go with the premium. And if all they have (as in Iowa) is 87 octane, I'll take that, with as little alcohol as possible. Can't say I find any difference in performance or mileage between premium and mid-grade. Haven't been forced to run regular all that often, but can't say I find any difference there either, but the bike does sound a little different on regular. If the sound under acceleration on mid and premium is described as a "growl," the sound on regular is more of a "snarl." Subtle but detectable.

As for mileage, with the big square Happy Trails boxes installed, I typically get right around 44-46mpg in normal riding. Blasting the interstate with a full camping load, or riding short hops in late winter cold (30s F) can push it down to about 39, while long, lazy days of non-stop, conservative (45-60mph) riding in the Appalachians can make it just touch 50 mpg.
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