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  1. R

    1997 Johnson 70HP

    The motor has new plugs and new thermostat. The motor is used for watersking (20%) and the other 80% it is used for fishing with a trolling plate.<br />The last couple of times out fishing I trolled for about 3 hours but when I pulled the plate to start back the engine at about 3/4 throttle...
  2. R

    1974 9.9 JOHNSTON OVERHEATING

    I have just was given a 1974 9.9 Johnston outboard. I put the motor in a tank and started it up. It ran ok for about 15 minutes and then just cut out. I noticed in the tank that there was oil now in the water and the engine was very hot. We pull the motor out of the tank and notice a grey oil...
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