Genuine Yamaha valve seat gasket for 75/85/90hp (1993-2001) engines.
Part number: 688-13621-A1
If you're unsure whether this fits your engine, feel free to give us a call and we will help you find what's right for your outboard/inboard.
We are an authorised Yamaha dealer and have an extensive selection of other components you may need, including older stock.