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81 XJ650 - Identifying a Master Cylinder

Discussion in 'XJ Technical Chat' started by Tristan Kernick, Mar 8, 2025 at 6:39 PM.

  1. Tristan Kernick

    Tristan Kernick Member

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    Rebuilt the master cylinder on my 81 XJ650 Maxim over the winter, and it’s occurred to me that it doesn’t look quite like any of the pictures of this bike online. Normally, I’ve seen master cylinders with the big “YAMAHA” branding on the cover, but mine shows no branding whatsoever. It also never sits completely flat on the buckhorn bars, even when the bike is on its center stand. This makes it a little annoying to bleed the brakes.

    IMG_7981.jpeg IMG_7982.jpeg

    So, is this thing an aftermarket MC, or is it OEM?
     
    Tristan Kernick, Mar 8, 2025 at 6:39 PM
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