Yamaha - Air Shroud Cylinder 1 - Engine Cooling Component - 7CT-E2651-00-00

Overview

Air shrouds don’t look like much, but they play a big role in how well an engine stays cool. I’ve seen motors run hotter than they should just because a shroud was cracked, missing, or not seated right. These pieces help direct airflow exactly where it’s needed around the cylinder. When everything’s in place, the engine runs more efficiently and holds up better over time.

Key Features

• Directed Airflow Design – Channels cooling air around the cylinder for proper heat management.
• OEM Fit and Coverage – Matches factory shape for correct placement and airflow routing.
• Heat Management Support – Helps prevent overheating during extended operation.
• Durable Construction – Built to withstand engine heat and vibration in marine conditions.

Engine & Boat Compatibility

Designed for Yamaha outboard engines that utilize air shrouds as part of the engine cooling system. Commonly used across a range of Yamaha outboards where proper airflow management is essential for maintaining engine temperature.

FAQ

Q: What happens if this air shroud is missing or damaged?
A: The engine can run hotter than normal, which may lead to long-term wear or overheating issues.

Q: Can a cracked shroud still be used?
A: It’s not recommended, since it can disrupt airflow and reduce cooling efficiency.

Q: Does this part affect performance directly?
A: Not directly, but poor cooling can impact engine performance and reliability over time.

Q: How does saltwater use affect this component?
A: Salt exposure can cause wear or buildup, especially if not cleaned regularly.

Q: Any tips for installation?
A: Make sure it’s seated properly and all mounting points are secure to ensure correct airflow direction.

• Supersessions
  7RH-12651-01-00, 7RH-12651-00-00