How do you adjust air fuel mixture on 06 vstar?

To adjust the air-fuel mixture on a 2006 Yamaha V-Star, locate the mixture screws on the carburetors, which are typically found on the side of each carb. Start by turning the screws clockwise to lean the mixture or counterclockwise to enrich it; adjustments are usually made in small increments of 1/4 turn. It’s best to make adjustments while the engine is running, listening for changes in RPMs and smoothness. After each adjustment, allow the engine to idle and test ride to ensure optimal performance.