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    Supercharged merc 153

    I finally found a supercharger to fit my 4 cylinder 153 cid merc. The Eaton M45 supposedly will bolt right up. Anyone attempted this before and if so how did it go?
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    "Finished" boat rebuild this week, discovered new problem on lake

    I just "completed" a total rebuild of an '83 bomber I/O. Replaced a seized 470 with a 153 cid. I put it on the lake and all went well the first time out. The second time however I noticed a loud knock and vibration when trying to idle. Took it home and tightened the motor mounts on the transom...
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    18' bomber by commander with new 120hp inboard

    3,300 RPMS maxed out and 30 MPH per GPS. Any suggestions on a prop to get on plane quicker? Would a whale tail help any?
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    Pre alpha single solenoid prestolite trim pump issue

    I am missing the up wire from my solenoid but can't find a broken wire. I can by pass the switch and it works but I have to straight wire the stud to the hot battery cable. In the pic I need to know where to attach the other end of the newer looking wire at the bottom of pic
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    MerCruiser 470 lower unit and a MerCruiser 153 engine

    Will these two match up? I am having difficulty seating my foot. I am 2 inches away from being lake worthy
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    1983 MerCruiser 153 cid 4 cylinder SN: A347068

    I need a wiring diagram that includes the transom plate switch. Please upload the picture itself as I can not open links. Thanks in advance
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    Wiring Diagram for MerCruiser 153 cid

    I removed a busted MerCruiser 470 and dropped in a MerCruiser 153 cid 4 cylinder. I need a wiring diagram for the new engine, including transom plate wiring. I can not for the life of me get this engine to turn over.
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