Honda Automobile Customer Service is happy to help with U. . 04-22-2015, 0326 AM. . . Insert the pin and fasten it in place with the cotter clip from the throttle repair kit. . see what it moves and the see if you can move it a bit farther. . I have adjusted it clockwise & ccw and I don&39;t notice any change in RPM. The motor was running great earlier this year. Setting the timing on the Johnson outboard should take around an hour. . 1. Observe the tachometer reading. It&39;s This Old Outboard.