For aftermarket and OEM spec applications. Cap for Mikuni VM26-34 mm carbs.

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...

Replacements of Tillotson/Mikuni BN, HD and HR kits. Needles and seats not included.