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Old 11-22-2008, 05:35 PM   #1
robhar54 OP
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Joined: Jan 2006
Location: Seattle, WA
Oddometer: 476
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
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robhar54 screwed with this post 11-22-2008 at 06:04 PM
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Old 11-22-2008, 06:16 PM   #2
levity
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Joined: May 2004
Location: Irvine, Calif.
Oddometer: 1,088
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


Agrees with your results, Rob, considering skinny rider, no luggage.
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Old 11-24-2008, 06:54 PM   #3
Karel
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Joined: Jun 2008
Location: Georgia
Oddometer: 115

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.
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Old 11-24-2008, 07:08 PM   #4
durtrider
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Joined: Oct 2005
Location: Land of the Red Man
Oddometer: 652
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.
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Old 11-25-2008, 11:13 AM   #5
abramsgunner
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Joined: Oct 2006
Oddometer: 22
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.
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Old 11-25-2008, 11:22 AM   #6
BikePilot
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Joined: Jul 2005
Location: Tampa
Oddometer: 11,171
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).
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Old 03-09-2009, 05:01 PM   #7
RobStar
Still On Training Wheels
 
Joined: Feb 2009
Location: Las Vegas Baby!
Oddometer: 433
F800GS Gas Mileage: What Ya Gettin'?

The Variables:
Units: Miles per US gallons
Odometer: Exactly 509 miles
Rider: 5'11" 175 lbs
Luggage: Jesse Odyssey II sides only loaded with guns, ammo and day kit for 75% of the miles
Windscreen: Stock
Exhaust: Stock
Misc: Adv-Spec crash bars and bash guard
Riding Conditions: Mix of highway at 65-75 mph +/-, twisty back roads, six crossings over the Spring Mountain Range, many short trips and errands, three 100+ mile days. Extremely windy conditions!
Results:
Over the course of the first 509 miles I've averaged only 30.3 miles per gallon.

I also found out yesterday coming back from the Death Valley area that 0 miles left on the OBC, really means 0 miles left! Like a switch, the engine cut off when the display moved to zero. Fortunately, I had decided to turn left to Pahrump for fuel rather than risk heading to Las Vegas on Hwy 160. By the graces of good luck or karma the engine quit 200 yards from the Shell station and I coasted into the pumps with about 15 feet to spare!

I'm a new rider and the dealer told me to ride it like I stole it during the break-in period so that is exactly what I've been doing; high rpms and no chug-a-lugging. Maybe I twisted the throttle up to 85-90 mph for a few seconds... maybe

30 mpg isn't so great and I suspect it is reflective of the break-in and hard riding. None-the-less, it's still almost 3x better than the 11.5 mpg average on my Hummer.

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Old 03-09-2009, 05:15 PM   #8
The Griz
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Joined: Nov 2008
Location: Minnesota
Oddometer: 3,768
The OBC tells me I'm getting around 45mpg. But it's still too early to tell. I'll post again when I have harder long distance evidence. It's still not Spring yet here in Minnesnowta.
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Old 03-09-2009, 05:56 PM   #9
dholaday
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Joined: Nov 2008
Location: White Salmon, WA
Oddometer: 338
Wind can make a heck of a difference. I've seen my mileage - on an RT - vary by 20+ mpg depending on if I had a head- or tail-wind. And an RT is more aerodynamic than the GS; my guess is that the cd of a GS+Rider is close to .9: only marginally better than pushing a steel plate thru the air


Another good argument for carrying a couple of Sigg bottles full of fuel. Glad you made it to the Shell station.
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Old 03-09-2009, 08:41 PM   #10
RobStar
Still On Training Wheels
 
Joined: Feb 2009
Location: Las Vegas Baby!
Oddometer: 433
Quote:
Originally Posted by dholaday
Wind can make a heck of a difference.... an RT is more aerodynamic than the GS; my guess is that the cd of a GS+Rider is close to .9: only marginally better than pushing a steel plate thru the air

Another good argument for carrying a couple of Sigg bottles full of fuel. Glad you made it to the Shell station.
Agreed, I'm completely upright on the GS, the Jesse bags are boxy and the last 4-5 days have been winds at 20-25 mph with gusts in the 30+ range. The week before was very windy too. There's no hiding from the wind here, plus when you get into the canyons it's crazy coming from every direction.

REI and Sigg bottles are on my list for tomorrow...

** Sigg no longer makes fuel bottles - I bought two 30 oz MSR fuel bottles w/o the child-resistant caps today at REI for $15 each **

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Old 03-09-2009, 09:38 PM   #11
kkug
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Joined: Feb 2004
Location: Escondido Ca .USA
Oddometer: 953
I run her out yesterday at 167 miles on the GPS.
I thought I got a good fill at the station. Was doing some off roading-first gear-sand work. Kinda sucked-lucky I was riding with some one. That tankfull was about 42 MPG.
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Old 04-22-2009, 09:56 PM   #12
Bayner
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Joined: Mar 2008
Location: Penticton, BC
Oddometer: 1,457
Cool2

1600 kms so far, rider is 5'10 @ 170lbs
no luggage, stock bike
Daily commute 90-100 kph = avg 4.7L per 100 kms
Agressive riding, offroad and speeds over 100 kph = avg <6.5L per 100 kms
(as indicated by OBC and verified by manual calculation with GPS)

Incidentally, my GPS and speedo/odo are in agreement.
Overall average has been right around 5L/100kms. Overall I'm impressed, I thought it may be worse!! I'm going to watch that average drop off now that I have the knobbies on though...
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Old 04-23-2009, 07:28 AM   #13
SoDak
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Joined: Jul 2006
Location: Black Hills of SD
Oddometer: 66
49mpg, 20 minute daily commute with interstate (75mph) and some city (30mph), have hard bags on at all times
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Old 05-17-2009, 08:56 AM   #14
Boon Booni
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Joined: Aug 2003
Location: Richmond, Va
Oddometer: 12,853
So what range are you guys typically getting before fill ups? You've listed miles to empty, but when out on a ride I never push my mileage to the last drops if I can avoid it. On my Weestrom that means filling up between 225-250 miles on a tank. That typically leaves me about half a gallon as backup. I watch my gas gauge and as the last bars drop I can tell pretty accurately how my mileage has been and how much fuel I have left.

What's your typical fill up mileage?
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Old 05-17-2009, 10:44 AM   #15
Motoriley
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Joined: Feb 2003
Location: Deepest darkest burbs of Montreal
Oddometer: 2,647
Mpg

41 and 40 mpg (US), 5.1 and 5.8 l/100km Canadian. Lots of hills and curves.
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