Thermostat Gasket for Yamaha outboard Will fit :   2-Stroke Models:• 25B, 50G, 60F, E60H, 70B, 70C 4-Stroke Models:• F9.9C, FT9.9D, F15A, F15B, F20A, F20D• F25A, FT25B, F25D, FT25F• F30A, F30B•...