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    mercruiser 120 motor alignment

    My son has Galaxy I/O with a mercruiser 120 [circa 1980] He has burned up two drive couplings. Could this be a problem with the alignment of the motor with the outdrive? Is there a way to check this? thanks Dan
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    mercruiser mcm 120 torque specs

    I am rebuilding a mcm 120. Does anyone have the torque specs for this engine? I used the specs from a manual for a 2.5 liter chev [which I know is a different engine but was all I could find] mains 75 ft/lbs, rods 35 ft/lbs and I am now at the rocker arms. The book calls for either 20 or 25...
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    Mercruiser MCM 120 153 CID ser#5875114

    I am rebuilding this engine for my son and this is my first marine engine. I can't get the front hub off of the crankshaft. There is no bolt in the front as in a car engine and I can"t see anything else holding it on. Is it a press fit? I tried a puller and some heat, but not too seriously as I...
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