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Exhaust Polishing

Discussion in 'Bonneville' started by Repooh, Sep 12, 2018.

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  1. Repooh

    Repooh When nothing goes right, go left
    Subscriber

    Jan 5, 2018
    299
    113
    Rickmansworth
    Exhaust polishing, not a metaphor for some dodgy shed based activity, but actual metal polishing.

    So I prefer the shiny steel colour of the downpipes, however like many exhausts the impurities of the metals leech out under heat and turn the pipes browny-goldish. So I use Autosol and polish them back to shiny steel.

    Question for you clever types is; will I damage, thin or compromise the pipes if I do this every couple of weeks
     
  2. Retired Phil

    Retired Phil Well-Known Member

    Jun 22, 2017
    103
    78
    San Rafael
    absolutely not. its just polish. dont know if you can get this where you are, but I use White Diamond polish few times a year. doesnt get headers back to silver, but evens out the brownish color at the first downward bend. i kinda like the color transition.
     
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  3. BigCLM

    BigCLM Well-Known Member

    Nov 30, 2017
    326
    63
    San Rafael, CA
    Not much you can do with the discoloration. Some like it, some don't. Only real way to stop it is to use chrome outer double-wall pipes like my old cruisers had. But not sure something like that is available for the street twin.
     
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  4. Rich Bryce

    Rich Bryce Dead Eye Dick
    Subscriber

    Sep 18, 2015
    2,700
    1,000
    Bedford England
    Autosol is fine. Harpic Power (has sulphuric acid in it) comes highly recommended for the job. Check it out on youtube.

     
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  5. Dozers Dad

    Dozers Dad Bushmills Chief Quality Controller
    Subscriber

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  6. Yorkshireman

    Yorkshireman First Class Member
    Subscriber

    Dec 12, 2015
    1,079
    500
    Barnsley
    I think the wife would have something to say if I told her I was going in the garage for a ( check the link):eek:
     
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  7. Dartplayer

    Dartplayer Well-Known Member

    Aug 8, 2018
    281
    63
    New Zealand
    All the reading I’ve done points to blue job, so have ordered some (sent yesterday). I will do some before and after on my gallery of 2018 Speedmaster upgrades, after new chrome pipes started bluing (brown mottle is the start of the process)
     
  8. curly

    curly Senior Member

    Jul 3, 2016
    371
    113
    Burton Upon Trent
    • Agree Agree x 1
  9. Dartplayer

    Dartplayer Well-Known Member

    Aug 8, 2018
    281
    63
    New Zealand
    Forgot about the pix, after photo shows mottle and bluing evened out to brassy tinge. Works for me with no abrasives. I see Blue Job comes in a larger tub new too

    2FF714B8-F1D6-4232-A516-D5404D3BB93E.png
     
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  10. Richard James Malik

    Richard James Malik New Member

    Jul 21, 2018
    5
    3
    Derby UK
    Anyone know why it says not for motorcycles on the Autosol packaging. Lots of people on here using it.
     
  11. Dozers Dad

    Dozers Dad Bushmills Chief Quality Controller
    Subscriber

    I've never spotted that before mate? Been using it for nearly 40yrs.
     
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  12. Richard James Malik

    Richard James Malik New Member

    Jul 21, 2018
    5
    3
    Derby UK
    I must admit I was supprised, it shows a graphic of a motorcycle but in the description says not for motorcycles.. Bizzare
     
  13. Dozers Dad

    Dozers Dad Bushmills Chief Quality Controller
    Subscriber

    I'd ignore the warning Richard. When all said & done. It's just a metal polish.
    If you don't use it on painted surfaces it'll be fine mate.

    Sounds like the nanny state in action again to me!
     
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  14. Tony Richardson

    Tony Richardson Active Member

    Sep 15, 2018
    134
    33
    Norwich
    Years ago when I rode BMW boxer twins, I used to clean the front pipes on my new bikes when they were cooling down, just warm really, l cleaned them with Solvol Autosol, and the pipes remained a light straw colour, never did turn blue.
     
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  15. Cupoftea

    Cupoftea Member
    Subscriber

    Dec 16, 2018
    76
    18
    NEW FOREST
    Stainless steel cream is what I use on my pipes, brings out the yellow and stains but has to be repeated monthly
     
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  16. Kinjane

    Kinjane Member

    Oct 15, 2017
    44
    18
    Bristol, Land of Enger
    #16 Kinjane, Dec 30, 2018
    Last edited: Dec 30, 2018
    After years of favouring Solvol I’ve recently converted over to AutoGlym Metal Polish. Far superior product IMHO
     
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