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    What Setting for the Tachometer??

    I have a 1970 V4 85hp Johnson , im installing a marine tachometer, since the motor is a 2 stroke do I set the tachometer on the 8 pole or 4 pole setting?
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    RPM on a 1970 85hp

    Im looking to upgrade my prop, I need to know what rpm the engine is turning but there is no tach hooked up. Can anyone tell me how to hook up a tach to this motor. It is a 1970 Johnson 85hp with the electric shift.
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    Looking for Better Propeller for my 1970 85HP

    I want to upgrade my prop to better top end prop for my 1970 85HP V4 motor. Any suggestions, currently the motor is attached to a 15' Campion Bass Boat it makes about 28mph and I would like to get in the 40mph range. The current prop is a stock aluminum prop.
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    How Much Water Out of Water Outlet? 1970 85HP V4

    I recently replaced my lower unit, water pump and housing. Water tested engine in a tub it ran good seems to only spit out water, not a constant stream. Took boat to the lake ran the motor for a few minutes on the lake and it ran strong very good. I thought that after it warmed up and the...
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    Spark Issue on 1970 Johnson 85hp

    Had no spark out of coil , replaced coil and ampliphier now getting spark when starter engages and when starter disengages but not when engine is turning over. It has a very bright strong spark jumps over a 1/2 inch when it does spark. I rechecked all connections, grounds are clean and tight...
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    1970 85hp starting issues

    I recently bought a used boat with a 1970 Johnson 85hp motor. The motor turns over strong but wont start, have fuel, new plugs and wires. Seller claims power pack is bad. How can I test to verifiy what is really going on. First boat ever owned, looked through search but it appears every motor is...
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