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Recent content by SilentGuardian

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    Older Merc Outboard Lower Unit Compatibility

    Hello all, I have a question as a new user to this forum. I have a 1973 Merc 500 w/Thunderbolt Ignition (SER#3482166), which I believe is a 1973. I am looking at a Mercury 40HP w/Thunderbolt Ignition (SER#7048776) that I believe is a 1983. I want to take the lower unit off the 40HP and put...
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