BARON MIXTURE SCREW made in the usa, Yamaha 99-07

• Make adjusting your pilot jet's air/fuel mixture a breeze with this unique finger-turn pilot jet mixture screw
• Allow you to easily adjust air-fuel ratio for weather and altitude
• Enhance fuel efficiency while improving cold start-up and low end performance
• Do away with tiny screwdrivers and crawling around on your knees with this easy-to-operate part
• Sold individually
• Made in the U.S.A.

NOTE: Installation requires removal of mixture plug if your stock mixture screw has not been uncovered.