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-   -   F800GS Gas Mileage: What Ya Gettin'? (http://www.advrider.com/forums/showthread.php?t=409319)

robhar54 11-22-2008 06:35 PM

F800GS Gas Mileage: What Ya Gettin'?
 
The Variables:
Units: Miles per US gallons
Odometer: ~950 miles
Rider: 6'2" 210 lbs
Luggage: Metal Mule 38L balanced system
Windscreen: Stock
Exhaust: Metal Mule aftermarket
Riding Conditions: Mix of highway at 75mph, twisty back roads, fire trails, lots of short trips in-city commuting.

Results:
Overall Average from the start: ~42 mpg according to the OBC.
A typical sport ride on local twisties, back roads and highway where I reset the OBC: 55 mpg.

What's yours been?

Rob in Seattle

levity 11-22-2008 07:16 PM

F800gs
 
The Variables:
Odometer: 2,050 miles (cumulative, just reset)
Rider: 6', 170 lbs
Luggage: none for 95%
Windscreen: stock
Exhaust: stock
Riding Conditions: mostly twisty back roads, some highway at ~70+ mph, limited fire trails, almost no city commuting.

Results:
Overall Average from the start: 50 mpg according to the OBC.
Range to empty: seems to be ~210-230 depending on right wrist


:super Agrees with your results, Rob, considering skinny rider, no luggage.

Karel 11-24-2008 07:54 PM

<hr style="color: rgb(87, 87, 87);" size="1"> <!-- / icon and title --> <!-- message --> The Variables:
Odometer: 3,250 miles
Rider: 6', 160 lbs
Luggage: Top case 95%
Windscreen: stock
Exhaust: stock
Riding Conditions: city/highway 80%, 20% offroad.

Results:
89 octane gasoline average: 50mpg
I tested the 92 octane gasoline and the average was down to 43mpg.

durtrider 11-24-2008 08:08 PM

Another variable to consider is ethenol fuel as opposed to straight 100% gas. Ethenol is cheap gas, but ruins my mpg, by as much as 20%. I'll go out of my way not to use it if I can. Sometimes you can't help but to fill up with it, but I avoid ethanol when I can.

abramsgunner 11-25-2008 12:13 PM

E-10 is about all I can find in my area anymore and my Versys mpg is down about 10% over the last few tanks. :kboom

BikePilot 11-25-2008 12:22 PM

Also I've found average temperature and altitude can make a huge difference. I've seen variations based on either as high as 20% with my bikes (I don't have an F800 but it would likely be similarly effected).

Dave92029 11-25-2008 01:04 PM

Average 58 on 87 octane
 
I have over 1,400 miles on my F650GS and I generally average 58 mpg around town and in the mtns.

On Sturday evening I took a 240 mile ride on the freeway and averaged 51mpg, but I had pretty strong headwinds on my return home on that trip. :eek1

Lobby 11-25-2008 03:46 PM

How accurate are the speedometers / odometers? Traditionally, BMW meters have been waaay off.

If you base your MPG off a faulty odo, you're gonna get a bad number.

Anybody doing this calc with a GPS?

Dave92029 11-25-2008 04:05 PM

Quote:

Originally Posted by Lobby
How accurate are the speedometers / odometers? Traditionally, BMW meters have been waaay off.

If you base your MPG off a faulty odo, you're gonna get a bad number.

Anybody doing this calc with a GPS?

On my last ride the odo showed 233 miles vs 240 on the Garmin :freaky

sgopher185 11-26-2008 08:29 AM

Sheesh. You skinny bastages are getting about 5 mpg better than me :rofl

The Variables:
Odometer: ~ 850 miles
Rider: 6'2", 265 lbs
Luggage: none for 95%
Windscreen: stock
Exhaust: Akra w/ baffles in
Riding Conditions: mostly twisty back roads commuting (10 miles one way).

Results:
Overall Average from the start: 49 mpg according to the OBC but calculated closer to 52-53 using the ODO/gas each tank.
Range to empty: seems to be ~220-240 depending on right wrist

tmex 11-26-2008 01:45 PM

The Variables:
Odometer: ~ 2000 miles
Rider: 6', 200 lbs
Luggage: none
Windscreen: stock
Exhaust: Akra w/ baffles out
Riding Conditions: 70% 2nd/3rd gear fire roads - 30% twisty pavement

Results:
Overall Average from the start: 50 mpg using odo and pump reading. GPS measurements show odo/speedo high by about 7% so adjusting for that the mpg drops to about 47.

Bayner 01-01-2009 09:00 PM

Karel, is your bike mapped for 89 octane? Anybody in North America done this?

Bucko 01-02-2009 09:34 AM

With no bags on, I've been getting about 48mpg computed from the odo, and this is with mostly tame riding to work and back (5 miles of fwy). Was figuring on better than this...it can only go downhill when I put on a load.

Ron Wardman 01-02-2009 08:04 PM

Milage
 
5'-7, 165 lbs, 800GS, TT 41 liter bags, nearly all rural riding and "brisk" paces. Use GPS for mileage, worst, 54 mpg, best 64 mpg. Very consistent at 56 mpg.

M N B 01-06-2009 02:28 PM

In a review on ridermagazine.com:

Quote:

BMW claims great gas mileage for the 800--62 mpg at 56 mph, and 45 mpg at 75 mph--for a potential range of 260 miles with the 4.2-gallon tank.
Since you get run over around here if you're not doing 75+, I tend to do a70-75mph most of the time. Given the mileage I'm getting (46mpg), this is consistent with the quoted claims.


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