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  1. K

    1975 - 70hp Johnson lower unit pressure build up

    What would cause pressure to bild up in the lower unit. The lower unit had two small holes towards the top that had been welded at one time. We ran the motor with new grease. Went to take out the drain plug and it came off like a bullet out a barrel of a gun there was so much pressure. The new...
  2. K

    1975 - 70hp Johnson lower unit pressure build up

    What would cause pressure to bild up in the lower unit. The lower unit had two small holes towards the top that had been welded at one time. We ran the motor with new grease. Went to take out the drain plug and it came off like a bullet out a barrel of a gun there was so much pressure. The new...
  3. K

    1977 75hp Johnson Stinger

    My 77-75hp Stinger model #75ELR77S runs very rough at low speeds. Carbs have beed cleaned and replaced plugs. What needs to be done???
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