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Thread: Flo-Torq IV Merc Hub?

  1. #1
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    Flo-Torq Merc 40 Hub?

    My backyard neighbor just installed a new Mercury Quicksilver alumium prop on his 40 hp Merc Tracker Pontoon boat's outboard.
    The prop came with a new style Flo-Torq hub kit.
    Installed it now has a fore to aft splined shaft end play of about 1/8" ; and with the motor in gear it can now rotate about 12* side-to-side.
    He removed the new prop and pounded in the hub and splined dicast washer in the pop & he has now cracked this special hub mounting washer with it's built-in french locks.
    He is using a new nylock prop nut which came with the new hub kit.

    Should a Flo-Torq hub on a Mercury 40 hp prop. have 1/8"splined shaft end play & 12* side-to-side rotational play ?
    You can now wobble the prop on the shaft splines quite a bit also.
    Is this normal ?

    The old dinged-up OEM prop had NO end play & no side spline play at all.
    It fit very solid indeed compared to this new style Flo-Torq hub.
    Is this something new with the Torq-Flow replacable hubs ?

    All this Torq-Flo hub & prop end-play, and side-to-side slack, seems very excessive to us.

    I am NOT an outboard guy~~~and have NEVER owned an outboard in my life .
    Also NOT a pontoon boat guy.
    Last edited by silverghost; 04-30-2012 at 12:48 PM.
    "BENCHSEAT 18" ~~YellowJacket~~ project owner~
    1929 Chris~Craft 28' Tripple Cockpit Mahogany Speedboat / A-120-A 845 Cu.In. 375 H.P. Chris~Craft V-8 racing engine.
    24' American Skier
    Super Eagle 454 HO Skiboat
    1991 454 SS Chevy Super Sport Pick-up for towing my "Toys".

    There is no such thing as going too fast ~ ~~
    OR~ Being too old~ for a new "Toy"!

    Brad Hunter
    Huntingdon Valley Pa (Just outside Philly)~
    Ocean City NJ
    silverghost1926@msn.com
    215 947 4676 (PA Home)

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