Yamaha - Oil Pan Engine Lubrication Component 6C5-15311-02-00. Overview. The oil pan is one of those parts you don't think about until you've got oil where it shouldn't be. It holds your engine's oil supply and keeps everything sealed at the bottom end, so when it's compromised, it's a problem you can't ignore. I've seen small leaks turn into bigger issues pretty quickly if left alone. Keeping a solid, properly sealed pan in place is key to protecting the engine long-term.. Key Features. • Oil Containment Design - Holds engine oil securely for proper lubrication.. • Leak Prevention Structure - Helps maintain a tight seal to prevent oil loss.. • OEM Fit Accuracy - Matches Yamaha factory specs for proper mounting and alignment.. • Durable Marine Construction - Built to handle heat, vibration, and harsh conditions.. Engine & Boat Compatibility. Verify compatibility with your specific Yamaha outboard model and part number before installation.. FAQs. Q1: What are signs the oil pan is failin