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    Trim not working on 1973 mercruiser

    I have a 1973 140 I/o mercruiser with the 4 button set up for the tilt trim only the in works and the out up and down do not work if I give direct power from battery each wire I can make each function work how do I fix this
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    Cracked bell housing

    I have a cracked bell housing. I need a replacement bell housing for the 1973 mercruiser can't seem an exact fit can I upgrade to something else with out switching the whole Gimbal housing
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    1973 merc 1 stern drive full ?

    How do I fill the 1973 pre alpha out drive it has two vent holes. Do I have to fill the lower unit then the upper unit or does the upper get it from the lower unit
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    Swap a mc-1 out drive

    I have a 1973 mc-1 drive attached to my 140 gm 4 cyclinder. After digging into the top end of the drive it is shot. I would like to replace the top with a alpha one gen one if possible or just replace the whole drive how do I know if I need the longer or shorter shaft and how do I know which one...
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    Gear lube in u joint bellow with foreign metal chuncks

    I have a 1973 140 hp mercruiser I/o got it for a few hundred dollars. Po could not get it started. Changed the points got spark. Carb flooding. Rebuilt it with new float. The old one had a hole and was filled with gas. After that it would just back fire from carb. The distributor cap was in the...
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