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    69 Johnson 40hp not running on top cylinder

    I have a 1969 Johnson 40hp Model # RDS-29E top cylinder is not running. I have went thru all the Ingition system replaced Points & condensors, plugs, wires, yesterday and did a compression check: bottom cylinder had 90psi, top had 100psi. I also did the decarbon twice for the fuel system...
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    67 40hp Flywheel lost magnetism?

    Hello, First off this is my first post. I have a 67 40hp Johnson Sea Horse RDS29 electric start, just picked up the boat, motor and trailer for a bargain, motor would not run so after replacing the plugs I found a stripped out plug and installed a heli coil and plugs and have good compression in...
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