For Yamaha XV1600/1700 Road Star 99-07. With this adjusting your bike's air/fuel mixture screw has gone from an easy-to-get-burned finger job to a snap. Allows for easy-to-reach, tool-free tuning for weather and altitude. Enhances fuel efficiency while improving low-speed drivability. 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.

• Makes adjusting your pilot jet's air/fuel mixture a breeze with this unique finger-turn pilot jet mixture screw
• Allows you to easily adjust air-fuel ratio for weather and altitude
• Enhances 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
• Made in the USA