Yamaha - Oil Pan Engine Lubrication Component YF1-43840-16-10. Overview. The oil pan is one of those parts you don't think about until you see oil where it shouldn't be. I've worked on Yamahas where a dented or leaking pan caused more trouble than expected, especially when it starts affecting oil pickup. The Yamaha Oil Pan YF1-43840-16-10 keeps your oil contained and circulating the way it should. It's a foundational piece that helps protect the entire engine from the bottom up.. Key Features. • Oil Containment Design - Holds engine oil securely for proper lubrication and circulation.. • Yamaha Engineered Fit - Built to factory specifications for correct mounting and sealing.. • Durable Construction - Designed to withstand heat, vibration, and long-term oil exposure.. • Supports Proper Oil Pickup - Helps maintain consistent oil supply to critical engine components.. • Direct Replacement Component - Installs in place of the original pan during service or repair.. Engine & Boat Compatibi