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  1. 05-12-2015, 05:28 AM #1
    Dennis S.
    Dennis S. is offline
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    Question Problem with lower unit 200 SHO

    A buddy of mine has a 2013 200 SHO that is leaking fluid out of the fill screw on the lower unit. He has had the seal replaced 4 times since February. Still leaking. Every time he takes the boat out, he will find a drip. What could be causing this?
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  2. Rich Z
    Rich Z is offline
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    #2 05-12-2015, 06:40 AM
    The fill plug maybe cross threaded. You may not notice this by looking at the plug. The damage is likely to the threads in lower unit...hope not but very possible. The other thing is to ensure not to overfill the unit with oil. Space is needed inside the unit for expansion. I know this is almost impossible to do but I've done it myself before. Normally this will create a leak from one of the seals and not the fill plug.
    Rich
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