Featured Rust In Petrol Tank

Discussion in 'Technical Help' started by Frecklechops, Jul 16, 2019.

  1. Frecklechops

    Frecklechops Noble Member

    Jul 8, 2019
    389
    303
    Scotland
    Hi guys,

    Just bought my first big bike, a triumph speed four. There's a little rust inside the petrol cap around the rim. Nothing crazy, but what's the quickest, a cheapest and easiest way to remove it, or at least stop it falling into the tank?

    Don't have a pic of the rust atm as I'm working!

    Cheers in advance!

    IMG_20190715_204218_803.jpg
     
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  2. dilligaf

    dilligaf Guest

    Bit of scotch brite dipped in grease and rub round the filler hole :)
    The grease should pick up the rust and stop it from going into the tank :)
     
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  3. Helmut Visor

    Helmut Visor Only dead fish go with the flow
    Subscriber

    Oct 3, 2018
    6,205
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    Three Counties
    Please tell me you're talking motorcycle maintenance :joy::joy:
     
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  4. freck

    freck Elite Member

    May 4, 2017
    1,718
    750
    Preston, Lancs, UK
    Nice looking bike there, congrats :grinning:
    It might be worth getting hold of some brush on rust converter like Rustoleum or similar to halt the spread, then a coat or two of paint.
     
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  5. Frecklechops

    Frecklechops Noble Member

    Jul 8, 2019
    389
    303
    Scotland
    I shall try this first! Thank you!
     
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  6. dilligaf

    dilligaf Guest

    I did this on an old Kawasaki GT750 that I rescued from a scrapyard :)
     
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  7. Sprinter

    Sprinter Kinigit

    Aug 17, 2014
    6,029
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    When you get a chance post a pic. It would be handy to know if its a rust colour on the metal or a flaking mess.
     
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  8. Frecklechops

    Frecklechops Noble Member

    Jul 8, 2019
    389
    303
    Scotland
    It's not a flaking mess or I wouldn't have bought it. Just rust colour on the metal. Will take one later :)
     
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  9. Sprinter

    Sprinter Kinigit

    Aug 17, 2014
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    Dip a rag in petrol and give it a rub.
    I wasnt being cheeky, :)cheeky:).
     
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  10. Frecklechops

    Frecklechops Noble Member

    Jul 8, 2019
    389
    303
    Scotland
    Neither was I! Cheeky!
     
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  11. Sprinter

    Sprinter Kinigit

    Aug 17, 2014
    6,029
    1,000
    uk

    :)Yip.:):cool:
     
  12. Flashp

    Flashp Noble Member

    Dec 6, 2017
    595
    343
    Hants
    If the rust is behind a rubber seal consider replacing the seal as it's let moisture past.
     
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  13. MrOrange

    MrOrange Guest

    If it isn't flaking, get some rust-cure stuff. Paint it on, turns black and stabilises the oxide (rust). Or the gel (Hammerite from halfords), just paint on carefully, then wipe off, do this repeatedly until it cleaned off, then put a bit of rust prevention on it - ACF-50 corrosion block grease is the best I've found, or just the acf-50 spray.

    And welcome to the forum.:cool:
     
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  14. For_GDW69

    For_GDW69 New Member

    Jul 4, 2019
    24
    3
    Maidstone Kent
    Also put a lump of rag in tge filler with some grease on it so nothing goes in the tank. Then clean off with brake cleaner and then rust proof it
     
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  15. Dudis

    Dudis New Member

    Jun 25, 2019
    8
    3
    Warwickshire
    I usually use waxoyl on rusty areas. It is more 'waxy' than grease so dust, debris etc does not stick so much.. It stops the rust getting any worse and tends to stay on longer than ACF50!
     
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  16. Tiglet

    Tiglet Vintage Member

    Mar 28, 2016
    4,434
    1,000
    Cheshire
    Just be careful what you paint it with if that’s the route you decide to go down.

    Not many paints will withstand petrol or fumes and it will end up in your tank.
     
  17. Frecklechops

    Frecklechops Noble Member

    Jul 8, 2019
    389
    303
    Scotland
    I've had a wee closer look at it and it comes off quite easily and is just on the surface so I think I'll use something just to stop it getting any worse.
     
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