Yamaha - Cylinder 2 Air Shroud Engine Cooling Component 7LL-12652-00-00. Overview. Airflow inside the engine isn't something you see, but you definitely feel it when it's off. I've worked on motors where uneven cooling caused hot spots just because a shroud was missing or damaged. The Yamaha Cylinder 2 Air Shroud 7LL-12652-00-00 helps direct air where it needs to go so temperatures stay balanced. It's a simple piece that plays a big role in keeping the engine running evenly.. Key Features. • Directed Airflow Design - Channels cooling air specifically around cylinder 2.. • Supports Even Engine Cooling - Helps prevent hot spots and uneven temperature distribution.. • Yamaha-Specific Fitment - Built to match factory airflow paths and mounting points.. • Lightweight Durable Construction - Designed to withstand heat and engine vibration.. • Maintains Cooling Efficiency - Ensures proper airflow for consistent engine performance.. Engine & Boat Compatibility. The Yamaha Cylinder 2 Air Shroud