Aluminium Top Yoke Nut

Discussion in 'Technical Help' started by bob1, Jun 23, 2019.

  1. bob1

    bob1 Noble Member
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    #1 bob1, Jun 23, 2019
    I want to change the top yoke nut on my speed twin to a black one pro bolt do a aluminium one. I believe the torque setting is 90nm would you be happy to torque a ally nut that tight.
     
  2. freck

    freck Elite Member

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    #2 freck, Jun 23, 2019
    No I wouldn’t but it’d be worth dropping Pro Bolt an email to ask them.
    I find the ally bolts mark very easily too. They used to do Black Stainless bolts, maybe they could do a top nut?
     
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  3. Tricky-Dicky

    Tricky-Dicky Crème de la Crème

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    #3 Tricky-Dicky, Jun 23, 2019
    It will depend on the grade of alloy and the size and thread type but 60 odd ftlb is quite a lot for alloy.
     
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  4. bob1

    bob1 Noble Member
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    #3 bob1, Jun 23, 2019
    thanks didn't realise they done black stainless ones just ordered one
     
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  5. bob1

    bob1 Noble Member
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    #4 bob1, Jun 23, 2019
    I might have made a bit of a cock up (nothing new) I get the m25 bit what do the figures 1.0 1.25 1.50 mean might have ordered the wrong one any ideal which one I need :)
     
  6. freck

    freck Elite Member

    May 4, 2017
    1,720
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    Preston, Lancs, UK
    #5 freck, Jun 23, 2019
    It’s the thread pitch size in mm, the distance between 2 threads. I think you’ll need a 1.50 pitch size which is a standard metric coarse thread.
     
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