Yamaha - Thermosensor Assembly Temperature Sensor Component 6CB-85790-00-00. Overview. The Yamaha Thermosensor Assembly 6CB-85790-00-00 is a critical component that monitors engine temperature and ensures your cooling system responds correctly. It sends real-time temperature data to the engine's monitoring system, helping prevent overheating and potential damage. If the thermosensor becomes faulty, you may experience inaccurate readings, warning alarms, or undetected overheating. Replacing it helps maintain accurate temperature control and reliable engine performance.. Key Features. • Accurate Temperature Monitoring - Detects engine heat levels and relays data to the system.. • OEM Fit Precision - Built to Yamaha specifications for reliable performance and easy installation.. • Supports Engine Protection - Helps prevent overheating by ensuring proper system response.. • Durable Sensor Design - Engineered to withstand heat, moisture, and harsh marine environments.. Engine & Boat Compati