Make adjusting your pilot jet's air/fuel mixture a breeze with this unique finger-turn pilot jet mixture screw Do away with tiny screwdrivers and crawling around on your knees with this easy-to-operate part Enhance fuel efficiency while improving cold start-up and low end performance Allow you to easily adjust air-fuel ratio for weather and altitude Made in the U.S.A. Installation requires removal of mixture plug if your stock mixture screw has not been uncovered.. MIXTURE SCREW YAM
