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    1990 20hp johnson sneezes and dies

    I have a 1990 20hp johnson, this year I put in a new water pump kit, prop, Spark plugs and wires. New fuel tank and lines with new pump bulb and a in line fuel filter and was confident my boat was ready to go. The motor Idled rough and ran sluggish. Then I took off the carb and had a Johnson...
  2. C

    20hp rough idle

    I have a 1990 20hp Johnson 2 stroke model J20EESB. Starts right up, idols rough spits and dies unless i raise idol on controls. runs good but slow down then put in neutral it will spit and die. I have changed spark plugs and wires. Cleaned filter screen at the fuel pump and replaced all fuel...
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