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    Mark 5 Compression

    Hi all, question about a 1955 Mercury Kiekhaefer Mark 5 I am trying to get running. I performed a compression test on this motor twice, one cylinder at a time, and got the following results (all in PSI): Top Cylinder: 96, 97 Bottom Cylinder: 95, 96 (sorry, don't know which is 1 and 2) I...
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    Alpha One Gen 1 Driveshaft Question

    Hi all, first time I've attempted to change an impeller in an Alpha one Gen 1 outdrive. The outdrive ran fine last year, I only took it apart because I didn't know the last time it was changed (we bought the boat last spring). I do have the Merc manual #6, and got as far as removing all the...
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    MerCruiser 170 Undertemperature

    Hi all, thanks for all of your help thus far and hopefully you can guide me through this one as well. I have a MerCruiser 170/Alpha 1 with closed cooling, and the previous owner upgraded to a 4" heat exchanger as well. It runs great, but at idle or during low-power use the temperature gauge...
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    Stern Drive Oil Top-Off

    Hi all, I did a search for this but couldn't find exactly what I was looking for; if it is out there, I apologize for missing it. I've got a Mercruiser 3.7L 4-cylinder, the number on the top is 170 (I've been told it is 170 hp, so I'm not sure if that number is the model, hp, or both). The...
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    Help With Location of VHF Radio and Antenna

    Hello all, I am new to boating and confused about the installation of my VHF radio and antenna. I have a 1985 Wellcraft 190 American (19' open bow), and I am currently contemplating installation of a VHF radio/antenna package I bought - a Cobra MR F45 fixed-mount VHF radio with a Shakespeare...
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    Bilge Pump Selection/Installation

    Hi all, I am brand new to boating and this website, and I am writing to ask people more knowledgable than I about bilge pumps. I have to imagine I'm not the first to ask, but I did a search and didn't see exactly what I was looking for so I apologize if I missed something. I also saw a lot...
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