Sierra International Tilt/Trim Motor w/ O Ring For Yamaha F75/F80/F90/F100 4 Stroke 18-6787. It is designed for use in Yamaha F75 (2003-2004) F80 (1999-2003) F90 (2003-2004) and F100 (1999-2003) 4-stroke outboard engines. It is interchangeable with...