Pilot Mixture Adjustment Screw - Yamaha
Makes 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, Enhances fuel efficiency while improving cold start-up and low end performance, Allows you to easily adjust air-fuel ratio for weather and altitude, Made in the USA