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    how to replace a thermostat on a Johnson 120

    My motor is giving me headaches. Its a mid 80s Johnson 120 ARO. The oil pump is disconnected and I mix my fuel. It warms up ok and runs ok, for alittle while; then all of a sudden it comes off step. The rpms dont rev up or anything like that. I pull the throttle back to neutral, then push...
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    Sick 120 v4 aro

    My 1991 Johnson 120 w/jet unit is really starting to cut out at higher rpms (5000-5200). I have replaced the fuel pump, checked all fuel lines for leaks and changed out the sparke plugs. I set the gap at .30. It also cuts out under a load like, when I'm pulling a skier or a tube. Its seems to...
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