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  1. #1

    Removing drive coupling/who takes core cranks? 1300

    How do i remove the drive coupling to re use it on my gp 1300? Also are there any core crank buyers out there?

  2. #2
    Myself's Avatar
    Join Date
    May 2007
    North Central Arkansas
    I clamp down the crank on the rear in a big vise. Then heat around the inside part of the coupling by the rear seals. A standard little propane torch will work. Then use a big ol' pipe wrench or a chain wrench to unscrew it. They don't like coming off without some heat.

  3. #3
    jeffg426690's Avatar
    Join Date
    Jul 2015
    Sarasota, FL
    Don't forget, its a left hand thread

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