i HAVE RECENTLY ACQUIRED A 1987 JOHNSON 40 HP. IT RUNS GREAT MID RANGE AND HIGH END. lOW END IDLE AND JUST ABOVE SURGES SOMEWHAT. I TOOK THE CARBS APART AND FOUND SOME CRUDE BUT HAVEN'T HAD A CHANCE TO RUN IT SINCE. THE MAIN CONCERN IS VIBRATION. THE THING BUZZES LIKE A VIBRATOR. THE WIFE SAYS...