Speed Twin Gas Tank Swap

Discussion in 'Triumph Twin Power' started by Evan, Jul 28, 2025.

  1. Evan

    Evan New Member

    Mar 7, 2025
    2
    3
    N. California
    #1 Evan, Jul 28, 2025
    Last edited: Jul 28, 2025
    Hey All,
    I posted the question below on the "Techical Help" forum but thought it might be wise to post it in the "Twin" forum as well. Let me know what you know...


    Hi Folks, anyone out there know if a late model Speed Twin 900 gas tank will fit on a late model Speed Twin 1200 without modifications? I've seen threads that suggest there may be a gas gauge reading issue but nothing definitive. This is just a cosmetic mod as the 1200 tank looks a little bulbous with the aftermarket seat I installed.

    While I'm here, I'd also like to ask if anyone has experience with changing out the stock 2024 1200 gauges with aftermarket or perhaps the 2025 Speed Twin gauge? Again, just thinking of cosmetics. I think the stock gauges are absolutely beautiful, but entertaining thoughts of a more compact look.

    Thanks!
    Evan
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  2. beerkat

    beerkat First Class Member

    Aug 14, 2019
    1,076
    500
    Cheshire UK
    As far as I'm aware the Speed Twin 900 fuel tank has remained unchanged since it began life on the Street Twin. I very much doubt the tank is a straightforward swop onto the Speed Twin 1200.
    I find one of the best ways to get answers to questions like this is to ask the technicians (or mechanics as they used to be known) at the dealers who actually work on these bikes. It's no good phoning Triumph. They won't tell you even if they know.
     
  3. beerkat

    beerkat First Class Member

    Aug 14, 2019
    1,076
    500
    Cheshire UK
    I knew you'd know :grinning:
     
    • Like Like x 1
  4. Evan

    Evan New Member

    Mar 7, 2025
    2
    3
    N. California
    Gents, thank you both for your replies. I kinda figured there would be some differences and what you say, Revpaul, makes perfect sense. Sounds like you know your stuff. I'll stick with the stock tank and enjoy it.

    Ride on bros!!
     
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