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Thread: nc23 1/2" bore master cylinder required

  1. #1
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    nc23 1/2" bore master cylinder required

    Hi team

    I'm in desperate need for a front master cylinder for my nc23 as the previous one has snapped
    Any help would be greatly appreciated.

  2. #2
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    In the old days you'd ring a wrecker and they would know what fitted. 1/2" would indicate it's a single disc model as twin disc are 5/8 or 14mm. Guess you'd be shopping from similar small Honda stuff.

    Hmm. CBR400. Surely twin disc. But I'm no expert of that genre.
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  3. #3
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    I'd expect it to be 12mm rather than 1/2 in.

    12 is actually quite common for twin small 4 pots. Impulse for example, uses 12.
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    Quote Originally Posted by tomleo View Post
    Hi team

    I'm in desperate need for a front master cylinder for my nc23 as the previous one has snapped
    Any help would be greatly appreciated.
    what's the part number? that may help with cross referencing...

  5. #5
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    Quote Originally Posted by Grumph View Post
    I'd expect it to be 12mm rather than 1/2 in.

    12 is actually quite common for twin small 4 pots. Impulse for example, uses 12.
    You can get 1/2, the one I ran on the bucket was marked as such and off a Honda of some kind
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    Quote Originally Posted by tomleo View Post
    Hi team

    I'm in desperate need for a front master cylinder for my nc23 as the previous one has snapped
    Any help would be greatly appreciated.
    Try Simon
    https://www.trademe.co.nz/Members/Li...?member=163308

  7. #7
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    Actually or econo Honda. Malcolm bought Bryces Honda stuff.
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    Quote Originally Posted by Grumph View Post
    I'd expect it to be 12mm rather than 1/2 in.

    12 is actually quite common for twin small 4 pots. Impulse for example, uses 12.
    Nah, Honda stuff of that era is imperial for some reason.

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    VTR 250 is also 1/2 inch. Have used a few of those.

    These days I buy new and have mostly used this sort of thing. https://store.bevelheaven.com/Brake-...r-Front-Brake/

    13 vs 1/2 inch is so close it won't matter.

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    To be strictly legal you can't change any part of brake without a lvv cert, bar certified brake hose.
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  11. #11
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    Thanks guys I have sourced one

  12. #12
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    Quote Originally Posted by malcy25 View Post
    13 vs 1/2 inch is so close it won't matter.
    I can tell the difference, 13mm is firmer on the single 4 pot I run on the Bucket
    "If you can make black marks on a straight from the time you turn out of a corner until the braking point of the next turn, then you have enough power."


    Quote Originally Posted by scracha View Post
    Even BP would shy away from cleaning up a sidecar oil spill.
    Quote Originally Posted by Warren Zevon
    Send Lawyers, guns and money, the shit has hit the fan

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