Yamaha Stay 4 - 65W-15774-00-00. Secure and Stabilize Key Engine Components with OEM Yamaha Fit. The Yamaha - Stay 4 - 65W-15774-00-00 is an authentic OEM engine support bracket designed to maintain the structural integrity of your Yamaha outboard motor. This part plays a crucial role in anchoring key engine components, ensuring stable operation even under demanding marine conditions.. Over time, damaged or corroded stays can compromise engine alignment and performance. Replacing them with genui