PILOT MIXTURE ADJUSTMENT SCREW - Yamaha Road Star
Description:Make adjusting your pilot jet's air fuel mixture a breeze with our 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.
- Note – Installation requires removal of mixture plug if your stock mixture screw has not been uncovered.
Bike Fitment:
- Yamaha Road Star 1600 (99-03)
- Yamaha Road Star 1700 (04-07)
Installation Guides:


