Boyesen 690 Motorcycle Reeds

Upgrade your motorcycle’s performance with the Boyesen 690 Motorcycle Reeds. These dual stage reeds offer a minor change that results in major horsepower improvements, giving you a faster opening and closing mechanism for greater low pressure (low-throttle) response. With enhanced velocity and flow area, these reeds also ensure longer overall life while preventing engine damage.

• Provides major horsepower improvements
• Offers faster opening and closing
• Enhances low-throttle response
• Increases velocity and flow area
• Ensures longer overall life
• Prevents engine damage