Yamaha - Cover, Water Inlet 1 Cooling System Protection Component 6P2-45214-00-00. Overview. If you spend any time running in shallow water or around weeds, you know how quickly debris can find its way into the cooling system. I've seen motors overheat just because this cover was cracked or missing. When it's in good shape, water flow stays clean and steady, and you don't have to second guess what's getting pulled into the pump. It's a small part, but it does a big job protecting your engine.. Key Features. • Debris Shielding Design - Helps block sand, weeds, and small debris from entering the cooling system.• OEM Fit and Seal - Matches Yamaha housing specs for secure and proper installation.• Durable Marine Material - Built to withstand impact, sun exposure, and harsh water conditions.• Supports Cooling Efficiency - Maintains consistent water intake for reliable engine temperature control.. Engine & Boat Compatibility. Designed for Yamaha outboard engines using 6P2-series mid-section