how far before re-fueling
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HDF Community Team
Joined: Jan 2010
Posts: 1,264
Likes: 468
From: shore of Gitche Gumee
how far before re-fueling
'08 1200 with 4.5 gallon gas tank: fuel light comes on at about 95 miles! Fill-up adds ~2.7 gals. How far do others travel before filling? Thank you!
Seasoned HDF Member
Joined: Sep 2017
Posts: 12,254
Likes: 4,946
From: England
You can only go 95 miles and the light comes on? That doesn't seem right to me.
The 2008 here having been converted to a trike has added 200 lbs to its weight. It has a 4.5 US gallon (17 litre) tank and will do around 120 miles before the low level light comes on.
I guess it is down to how they are ridden and the setup. The one here is stock.
My 2017 is slightly modified with Khrome Werks slip-on mufflers and SE air cleaner and it will go around 150 miles before the light comes on.
The light comes on at the 12 litre mark which is ~3.2 US gallons.
I am getting around 12.5 miles per litre and you are getting 9.5 which is quite a difference, IMO.
The 2008 here having been converted to a trike has added 200 lbs to its weight. It has a 4.5 US gallon (17 litre) tank and will do around 120 miles before the low level light comes on.
I guess it is down to how they are ridden and the setup. The one here is stock.
My 2017 is slightly modified with Khrome Werks slip-on mufflers and SE air cleaner and it will go around 150 miles before the light comes on.
The light comes on at the 12 litre mark which is ~3.2 US gallons.
I am getting around 12.5 miles per litre and you are getting 9.5 which is quite a difference, IMO.
Last edited by Andy from Sandy; Sep 4, 2023 at 10:24 AM.
Road Warrior
Joined: Jul 2007
Posts: 1,898
Likes: 67
From: Saint Amant, Acadiana
Once upon time I used my Sporty for commute, 115 miles round trip, cruising 60-65 MPH.
All stock my mileage was constantly 52-53 MPG.
Then I replaced the ECU with Thundermax and my mileage jumped to 60 MPG.
Next was N4 cams, MPG dropped to 48-50.
In any case, 95 miles with 4.5 tank ... maybe going over 90 all the time?
All stock my mileage was constantly 52-53 MPG.
Then I replaced the ECU with Thundermax and my mileage jumped to 60 MPG.
Next was N4 cams, MPG dropped to 48-50.
In any case, 95 miles with 4.5 tank ... maybe going over 90 all the time?
Road Captain
Joined: Jul 2023
Posts: 522
Likes: 405
From: So Western Ohio
'14 1200, 2.1 gallon, about 60 miles. Usually takes about 1.3 to 1.4 gallons to refill. When the bike is left in the hot garage for a few days, there seems to be a little evaporation so it comes on sooner and the mileage calculates to be less. After 50 miles any good gas station gets my attention.
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HDF Community Team
Joined: Jan 2010
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Likes: 468
From: shore of Gitche Gumee
My carbed '05 gets ~43 for this type riding, and the fuel injected '08 gets ~36mpg. I just don't want to run it too low on fuel so the pump is sucking air, and damage something. Suppose I could hold off til 125 miles.
Road Warrior
Joined: May 2017
Posts: 1,966
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From: Scottish Highlands.
2011 XL883N, 3.3 US gallon tank (2.8 UK gallons), Python 2.5 slip-on mufflers, Rough Crafts ribbed air intake, 110 miles before the low fuel light illuminates, around 52 miles per UK gallon.
Last edited by Rob Roy's Revenge; Sep 5, 2023 at 08:44 AM.
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Novice
Joined: Jul 2023
Posts: 21
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From: IN
05 1200c with 4.5 tank screaming eagle pipes and super sucker breather I go to about 140 before switching to reserve. In town riding. Nothing over say 55.
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Joined: Aug 2020
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From: Knoxville
Once upon time I used my Sporty for commute, 115 miles round trip, cruising 60-65 MPH.
All stock my mileage was constantly 52-53 MPG.
Then I replaced the ECU with Thundermax and my mileage jumped to 60 MPG.
Next was N4 cams, MPG dropped to 48-50.
In any case, 95 miles with 4.5 tank ... maybe going over 90 all the time?
All stock my mileage was constantly 52-53 MPG.
Then I replaced the ECU with Thundermax and my mileage jumped to 60 MPG.
Next was N4 cams, MPG dropped to 48-50.
In any case, 95 miles with 4.5 tank ... maybe going over 90 all the time?
You can only get raw horsepower backed by a piece of paper that shows one can outrun any other bike with Harley on tank. /S
Seriously tho, this cat has something wrong but could stand to so his own mileage calculation to determine if its the bikes algorithm apparatus, the engine has a problem or its his right hand.
Good Luck!
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HDF Community Team
Joined: Jan 2010
Posts: 1,264
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From: shore of Gitche Gumee
Owners manual says low fuel light on with 1 gallon remaining. Tank lift? And the claimed mpg is a figure I've never come close to obtaining. Must be filling up at the top of Pikes Peak and again at the bottom.
Last edited by hammer6315; Sep 30, 2023 at 09:07 AM.