This kit is designed to improve jetting from factory settings. It utilizes bigger jets and a needle with a different taper to provide more power, crisp throttle response and eliminate mid-range bog. Recommended altitudes 0-2500ft.

FEATURES

• 5N13 Needle
• 220 Main Jet
• 25 Pilot Jet
• Recommended 2 turns out on the air screw and needle at 2nd position from top.