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Water in lower unit oil
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<blockquote data-quote="Kier" data-source="post: 422622" data-attributes="member: 13279"><p>On the mercury's the water pump kits have seals coming from shaft side that are easily replaceable. Another cheap insurance is to replace the o-rings on the fill screws. Hopefully it is not coming from the prop side. There are some Youtube videos on how to replace those seals but they seem complicated. The other option is to change it more often till it dies. I recently purchased a 50hp mercury classic on a bass tracker and took it out the first time and the lower unit grinded to death due to only water in the lower unit. It cost me 350 to buy a used one on ebay that was pressure tested.</p></blockquote><p></p>
[QUOTE="Kier, post: 422622, member: 13279"] On the mercury's the water pump kits have seals coming from shaft side that are easily replaceable. Another cheap insurance is to replace the o-rings on the fill screws. Hopefully it is not coming from the prop side. There are some Youtube videos on how to replace those seals but they seem complicated. The other option is to change it more often till it dies. I recently purchased a 50hp mercury classic on a bass tracker and took it out the first time and the lower unit grinded to death due to only water in the lower unit. It cost me 350 to buy a used one on ebay that was pressure tested. [/QUOTE]
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