Knob Choke Part number: 6H4-41271-01-00, 6H4412710100, 6H4-41271-01, 6H44127101 Compatible with outboard motors: 9.9 , 13.5 , F9.9 , FT8 , FT9.9 , 15 , 25 , 40 , 50 , F6 , F8 Fits 2-stroke outboard motors 9.9–50 and 4-stroke outboard motors F6–F9.9 Also compatible with part numbers 6H4-41271-00, 6H4-41271-02, and 6H4-41271