Speed Twin Tank Range

Discussion in 'Bonneville' started by Stramasher, Jun 15, 2020.

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  1. Stramasher

    Stramasher Senior Member

    Jun 10, 2020
    479
    113
    ex-0141
    hello folks,

    how far are you getting on 14.5L ?

    "range left" seems very pessimistic ?

    Had mine down to 1 mile, tank only took 11 litres and was at 145miles. (57mpg on the clocks :eek: ... on a 1200...yewhitnoo!?)
     
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  2. Bryf

    Bryf Guest

    #2 Bryf, Jun 15, 2020
    Last edited by a moderator: Jun 15, 2020
    Hi, last year I ran the bike till there was zero miles left (indicator was just showing three lines), petrol station was only half a mile down the road from this point, at fill up my trip meter was showing 166.2 miles from previous fill and managed to squeeze in 12.33 litres, this was bike in sport mode with mix of riding, quite a bit of it was fairly spirited, fuel used was super unleaded. So yes you are right the range left indicator is pretty pessimistic but its always good to have/know, that there is a nice safety margin within the bike, I personally have been well impressed with MPG its been delivering, Ive had it over a year now and done around 4500 miles and am still delighted with it. PS. the reason I am able to put such specific figures is that I posted all this info last year in a thread (Speed Twin Fuel Indicator) so just looked back and checked the details, oh and welcome to the forum by the way, cheers
     
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  3. Timothy Peters

    Timothy Peters Senior Member

    Nov 3, 2019
    316
    113
    Palatine, IL USA
    I have gone over 170 miles and still had a bit left in the tank.

    The fuel gauge is very conservative, but better to say you have too little than say you have more then you really do.
     
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  4. Jack Black

    Jack Black Active Member

    Apr 10, 2020
    238
    33
    Thailand
    Yup me too - when the gauge says zero, I invariably fill up with just over 11 litres. Therefore still have somewhere around 3 to 3.5 litres in the tank. No biggie and as you say, best to err on the safe side. It then takes 2k's to 3k's for the bike to register full.
     
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  5. Stramasher

    Stramasher Senior Member

    Jun 10, 2020
    479
    113
    ex-0141
    good stuff folks. Thats a very good range.

    I hate stopping you see?! :)
     
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  6. Timothy Peters

    Timothy Peters Senior Member

    Nov 3, 2019
    316
    113
    Palatine, IL USA
    Today I filled up @ 161 miles, gas gauge said I had 8 miles left but only put 3.1 gallons into the tank.
     
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  7. canam

    canam New Member

    Sep 20, 2025
    0
    1
    CA
    my rides take me up over mountains in CA/NV. and it's windy. I have seen my mileage go from mid 60s to 40s and 30s during portions of my rides so these small tanks probably wouldn't work for my riding. also like much of the mountains and deserts of the western US gas stations can be far apart.
     
  8. Markus

    Markus Crème de la Crème
    Subscriber

    Oct 28, 2020
    4,528
    1,000
    AUSTRIA
    My wife is always doing about 300 kilometres (mixed highway and A-roads) on her 2025 1200 Speed Twin. On A-roads only she reached also 350 kilometres in the past. Actually she has done nearly 10.000 kilometres with her bike.
     
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