Illustration #878
Use a coin to turn the jet-adjusting screw one-eighth of a turn at a time, waiting each time for the engine speed to settle down. Screwing upwards weakens the mixture, downwards enriches it.
Use a coin to turn the jet-adjusting screw one-eighth of a turn at a time, waiting each time for the engine speed to settle down. Screwing upwards weakens the mixture, downwards enriches it.