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    1985 Johnson 150gt

    I have a Johnson 150 gt that was boging at higher rpms but runs great after warming up.After talking to a mechanic about this he said that the oil injection system alows oil to enter the carbs while it is on the trailer with the motor trimed up and needs to clean itself out or to warm up as it...
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    150gt boggs

    I have a Johnson 150 gt,i think around late 80's.Engine starts great and runs well but boggs when its cold for about a minute.At about three thousand it just runs and spits abit untill it warms up then it kicks in and runs excellent. Will not run over three thousand till it warms up.Is this...
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