Recent content by croz

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    !980 70merc

    Got the free boat with non running 3cyl blues. Brought her home started to check If motor was worth fixing. Compression test 140all, weak fire- replaced stator and trigger, power pack ok, new starter, paid for water pump and lower gear oil and new fuel pump kit(supposedly installed.) Electric...
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    no neutral?

    Starcraft Islander 221, Mercruiser B78222 3.7 alpha one. Does not go into neutral? Goes from forward to reverse and occasionally into neutral? Hard docking!!!!
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    no neutral?

    My mercruiser wants to go from forward to reverse. Use of red shift button? Adjustment? Auto shut off? Rarely goes into neutral.
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    Learning

    just picked up a Gruman 15' fisherman with 70hp 3cylinder Mercury 1980. Motor needs to be checked to see if its worth keeping! Got it turning over with key. Will shift fwd & reverse. Seems to have good compression. I injected a syringe of gas and oil into each cylinder and poured gas in carbs...
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    History

    Anyone ever owned, used or know about the 1980 3 cylinder 70hp Merc. I'm looking for an original owner and shop repair manual. I just got the motor and it turns over with starter, has compression, and the drive train(prop turns when cranking). Just don't want to jump into something that never...
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    prop/torque

    Under average load a prop pitched to run engine at its peak torque RPM would have what effect? My goal is gas mileage at slowest plaining speed.
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    Manuals

    Just bought a boat with old 70hp 3cyl. Mercury. Want to buy Owner/operators manual. Also repair manual #90-96135 1980. Anybody know if its worth bringing back? Where these motors known for problems? Key was not with boat. How to jump ignition and start wires to see if starter engages? Motor...
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    How to

    Help How do I find how to use the boats site? Is there tutorial? Icons, PMs, etc. How to etc
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