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    Brass or Nylon plugs?

    We had water in the toon so when I tried to take the nylon plug off (its on the top and very hard to get to) it crumbled making it a task getting the remaining pieces out. My question is should I put another nylon plug in or brass? I have read different comments on this and its almost 50\50 on...
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    DIY Lower unit repl & 'fin'?' ---'97 90hp Merc Force Tracker

    Hi all, We have bought our first pontoon, a 1997 27' Sun Tracker with 90HP Mercury Force engine. It needs a lower unit installed (we have already purchased). Any tips or pointers for DIY installers? Also, my husband has noticed that the back of the engine doesn't have a fin like most...
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    Please delete this thread- empty

    Hi all, I moved my thread to the outboard motor discussion for Mercury Force.
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    Shaft length

    I am looking to buy a lower unit for my 1997 90hp force, I found one on craigslist from a 1995 120hp force and the guys says that its 14 inches which from what I have been reading this is not correct. If he can find the numbers off it can it be found from that or is there any other way? Thanks.
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