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Thread: Engine blacking

  1. #1
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    Engine blacking

    Guys this might have been answered before,but does anyone know how I can blacked up the fins and engine section on a 1991-low rider.

  2. #2
    Senior Member Whistler's Avatar
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    If it's just a general clean up, a satin engine cleaner will do, if it's covering up scratches and scrapes, black engine paint. On a general maintenance side I just use use a combination of Mr Sheen and ACF 50.
    FTW )

  3. #3
    Senior Member bluenose-1956's Avatar
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    Ok Bishop,

    If it's just that your black wrinkle engine has lost it's showroom black finish and is looking rather grey, Harley-Davidson sell an officially licenced product called H-D Engine Brightener, it is priced at £19.86 for a 16 ounce can from all mainland H-D dealerships.
    The H-D part number is 93600002.

    engine-brightener.jpg

    Here is an official H-D video demonstrating how to use their Engine Brightener.




    I personally am a bit of a cheepskate so I use SAS 20 maintenance spray which is made by Attack Chemicals in Leeds. SAS 20 does a great job on my Iron's black wrinkle engine cases. You can buy a box of twelve 500ml cans for the special offer price of £22.98 from Workshop Supplies.co.uk

    $(KGrHqZ,!rgFDS,Bqu01BRI05vTfo!~~60_35.jpg IMG_20160822_210255 (2).jpg


    Hope that's helped you.

  4. The Following 2 Users Say Thank You to bluenose-1956 For This Useful Post:

    triple&twin (12-03-2017), Whistler (11-30-2017)

  5. #4
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    Thanks guys and you are right the black on the engine needs attention, so I will heed your advice and go for the SAS ( yep I'm tight aswell).
    Does it last a time or would I need to regularly need to top it up?

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    bluenose-1956 (11-30-2017)

  7. #5
    Senior Member Whistler's Avatar
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    Quote Originally Posted by The Bishop View Post
    Thanks guys and you are right the black on the engine needs attention, so I will heed your advice and go for the SAS ( yep I'm tight aswell).
    Does it last a time or would I need to regularly need to top it up?
    You'll need to do it from time to time, depending on how you feel your engine looks. I'm a bit of a clean freak, so mine gets done probably more regularly than I probably need to. Rule off thumb would usually at the beginning or end of a season
    FTW )

  8. #6
    Senior Member bluenose-1956's Avatar
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    Quote Originally Posted by The Bishop View Post
    Thanks guys and you are right the black on the engine needs attention, so I will heed your advice and go for the SAS ( yep I'm tight aswell).
    Does it last a time or would I need to regularly need to top it up?
    The SAS 20 is a very good product, just spray it onto the engine start her up and after the solvent has burned off the engine is coated in PTFE.

    The PTFE repels dust and dirt, so it leaves your engine looking black for a long time. I buy mine from Huddersfield Auto Jumble at £2 for a 500 ml can, I also use it on the chassis, avoiding brake components and tyres, it's good on the wheels, fork sliders and frame etc. A 500 ml can lasts me about 6 months, so it's very economical.

    SAS 20 is available in cans and plastic bottles, at £22.98 + postage for 12 x 500 ml cans, it's as cheap as chips.

    sas%20attack%20maintenance%20spray.jpg

  9. #7
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    Looking at it now I think I am going to have to apply paint first,then the SAS to finish it off.
    It looks like a Matt finish so I should be able to match the existing.

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