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  1. #1
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    Roadster handlebar fittment

    Got new roadster handlebars fitted today, easy swap, except for one screw! ( there’s always one!).
    When taking the clutch lever assembly off, the top screw moved about 1/4 turn then jammed!
    Long story short, going in then out, and applying WD40 managed to get it out, along with some aluminium in end of thread!
    Having thoughts of buying a new UNC tap and die, I tried a 6mm screw against it and it looked virtually the same pitch. I measured diameter and it was a 6mm.
    So having metric taps and a die I cleaned everything up and got it fitted.
    I bet it’s only the threads that Harley do that are AF, and anything imported, probably like the lever unit and switches come with metric threads.
    Who knows?

    Ray.

  2. #2
    Senior Member Gettin'onabit's Avatar
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    1/4" UNF is as near dammit the same as M6 - but not quite, the metric thread is a bit smaller, so for 'non-loaded' fittings, may be OK but a loaded M6 screw could pull out of a 1/4" UNF female thread.

  3. #3
    Senior Member bluenose-1956's Avatar
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    The rubber mounted Sportster's have M6 x 25mm screws on the clutch lever and brake lever mounting perches, up to 2003 have 1/4-20 x 1-1/8".

    The Sportster's handlebar switchgear housing screws are #10-24 x 1/2" on all models from 1994 to present.

    I sell this kit for 2004 - up Sportster models, the screws are black stainless steel with hexagon sockets instead of torx sockets. The kits sell well at £5.00 each, there £4.00 to forum members. The stock screws tend to corrode with time, the stainless ones don't. If you're interested send me a PM.

    s-l1600 (51).jpg


    I also do them for earlier Sportster's, Dyna's, Softail's and V-Rod's for the same price.

    s-l1600 (21).jpg
    Last edited by bluenose-1956; 10-12-2018 at 10:47 PM.

  4. The Following User Says Thank You to bluenose-1956 For This Useful Post:

    Nettshubby (10-13-2018)

  5. #4
    Senior Member bluenose-1956's Avatar
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    Quote Originally Posted by Gettin'onabit View Post
    1/4" UNF is as near dammit the same as M6 - but not quite, the metric thread is a bit smaller, so for 'non-loaded' fittings, may be OK but a loaded M6 screw could pull out of a 1/4" UNF female thread.

    That's right AL,

    1/4" is as near as damn it 6.4mm.

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    Nettshubby (10-13-2018)

  7. #5
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    Thanks for that Blue, just what I and my vernier calliper found.
    Re the screw sets, thanks for the offer, but my bike has the chrome fixtures, and I have quite a collection of stainless metric screws if needed.
    The last time I needed just a couple of AF dome head bolts and nylock nuts for the bike they were really expensive, and although stainless, you can buy bags of stainless metric screws, nuts and washers very cheaply from Screwfix.
    Do you know of a supplier of Unc/f fasteners at reasonable prices?

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    bluenose-1956 (10-16-2018)

  9. #6
    Senior Member bluenose-1956's Avatar
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    Hi Nettshubby,

    Try Kay's Fasteners on eBay, they're based in Wakefield, West Yorkshire.

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    Nettshubby (10-17-2018)

  11. #7
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    Thanks, will do.

    Ray.

  12. #8
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    Well, that’s a bit different price wise! Thanks for the recommendation!

    Ray.

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