Yamaha - Oil Pipe 1 Lubrication System Component 6R3-13416-00-00. Overview. Oil lines like this don't get much attention until something goes wrong. I've seen motors take unnecessary wear just from a small restriction or leak in the system. When oil is flowing clean and steady, everything inside the engine stays protected and runs smoother. It's a simple piece, but it plays a big role in keeping your motor healthy over time.. Key Features. • Steady Oil Flow Path - Delivers consistent lubrication to critical engine components.• OEM Fit and Routing - Matches factory design for proper alignment and installation.• Leak-Resistant Construction - Helps maintain system pressure and prevent oil loss.• Built for Marine Conditions - Handles heat, vibration, and long-term engine use.. Engine & Boat Compatibility. Designed for Yamaha outboard engines utilizing internal lubrication or oil injection systems. Commonly used across a range of Yamaha outboards where reliable oil delivery is essential for