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  1. #1
    Member
    Join Date
    Apr 2012
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    new albany In
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    109

    Hpdi 250 lower unit case

    Guys, I’m looking for a Yamaha hpdi lower unit case 2006 model.
    The upper screw for the gear oil is stripped and I think the case is screwed up. Any ideas where I can get a new or good used. Case? I’ve already posted in the Yamaha forum, but thought I’d try here too.

  2. Member
    Join Date
    Jun 2004
    Location
    Indiana
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    1,562
    #2
    I’ve got a rebuilt lower unit I keep as a spare. It’s the complete unit though.

  3. Member
    Join Date
    Apr 2012
    Location
    Indianapolis, IN
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    792
    #3
    I had that problem once and someone on the Yamaha board told me you can replace the plug with a Merc plug. They are slightly larger. You need a tap that matches the threads for the Merc plug to cut new threads.
    Just another beer drinker with a fishing problem.

  4. Member
    Join Date
    Apr 2012
    Location
    new albany In
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    109
    #4
    I did what you suggested. It worked perfect! Thanks for the info!