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    Compression

    Will a mid 70s 70hp Johnson still run decent with the compression on all 3 cylinders averaging 70 to 80 psi ?
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    Old humminbird dial flasher inline fuse specs

    I can't seem to find any info anywhere about what inline fuse size should be for an old school dial flasher. YES, I HAVE LOOKED IN THE MANUAL and it mentions nothing about that. I seem to possibly remember many years ago on my other units it was maybe a 1 amp, not sure tho. No info anywhere...
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    Lubricate new water impeller rubber ?

    I have seen various methods people use when replacing the water impeller in an older Johnson 60-70hp. Some say they like to apply a tiny film of some kind of slick um to the metal cup and I have heard some say to put er in the cup dry and that the water will.lube it enough. Not so sure...
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    1977 70 hp johnson thermostat housing gasket

    I am soon replacing the thermostat and gasket on my 70 hp 1977 Johnson. Should I put RTV silicone on the gasket material or install it dry. And if the silicone is recommended, is the black the best , or is the blue or red just as good.
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    1977 Johnson shift/throttle control box

    Hello, I have been searching for an original working and functional control box with the red plug harness and both of the shift/throttle cables for a 1977 johnson. The harness is about 12 to 14 ft long and the shift cables are both 10 ft long. Any input on where I mite grab one of these up...
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    Battery cable

    Hello, New here. I have a 1977 Johnson 70 hp and I am trying to determine the AWG size of the existing battery cables. There are no markings on the current cables. Any input would be appreciated.
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