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    OMC 1972 4.3 120 hp- Throttle/Carb Questions

    I have now gotten my old Seaswirl back with forward and reverse working again. Now I would like to understand the carb and the linkage. I have read the manual about mixing adjustment, I don't have a vacum gauge, I could get one but I don't see a port to attach it too anyway. So that is the first...
  2. G

    1972 Seaswirl Electric Shift 120 hp-Questions on the electric shfit lower

    I have done the following diagnosis: 1) checked voltage from power to shift switch 11.83 volts, the purple wire 2) I have checked to voltage from both the green wire and blue wire from the switch out. 12 volts and is continuous through the range of the switch. No voltage when the switch is in...
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