M12x1.25 Flywheel Puller

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  • Kyler
    • Feb 2026

    #1

    M12x1.25 Flywheel Puller

    everything I saw online said the GS750 motor used a 16mm flywheel puller so I ordered one. Well guess what, it doesn't. The bolt that I removed from the flywheel is a M12x1.25. That is a weird size.
  • GregT
    Forum Sage
    • Jul 2009
    • 3541
    • New Zealand

    #2
    Originally posted by Kyler
    everything I saw online said the GS750 motor used a 16mm flywheel puller so I ordered one. Well guess what, it doesn't. The bolt that I removed from the flywheel is a M12x1.25. That is a weird size.
    Nah, very common as an alternator holding bolt. Have a look in the hole, there should be a 16mm thread in the flywheel boss which is what your puller will engage with.

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    • Kyler

      #3
      duh ... now that I checked, turns out it is a 14mm. the 16mm is too big. I should have put a micrometer on it to start with.

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      • GregT
        Forum Sage
        • Jul 2009
        • 3541
        • New Zealand

        #4
        Well at least if you've still got a 15mm axle sitting somewhere, you can use the 14mm thread on that as a puller....

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