Fuel screws are on the motor side of the carb slide, air screws are on the airbox side of the carb slide.
Most four strokes have fuel screws, most 2 strokes have air screws. The adjustments are completely opposite for the two types so its best to know what you've got before you start adjusting.....
Most four strokes have fuel screws, most 2 strokes have air screws. The adjustments are completely opposite for the two types so its best to know what you've got before you start adjusting.....