9-20 2-Stroke 334-65021-0 Mercury F8/F9
but minor idle speed or air/fuel mixture adjustments may be necessary depending on your specific engine's condition
and a weak or non-existent stream of water from the "tell-tale" indicator outlet on the motor
If your boat pulls to one side
75 lb) Fitting Type Multiple fittings included (see package contents) Warranty 90 days (aftermarket versions) Other Technical Attributes For fuel delivery in 2-stroke Mercury outboard engines What’s in the Box
Water Pump Impeller – Fits Yamaha 20HP-50HP Outboards (Replaces 6H4-44352-00, 6H4-44352-01, 6H4-44352-02) 37HP 9-20 2-Stroke 334-65021-0 Mercury F8/F9Product Details This replacement Water Pump Impeller fits Yamaha 20HP 50HP Outboards, including a wide range of 2 stroke and 4 stroke models from 1984 to 2005. It is designed for compatibility with C, CV, F, P, and T series engines, ensuring reliable cooling performance. It serves as a direct replacement for Yamaha part numbers 6H4 44352 00, 6H4 44352 01, and 6H4 44352 02, as well as Sierra part 18 3068. Engineered for direct OEM equivalent