Yamaha - Water Temperature Switch Cooling System Sensor 717-82560-01-00. Overview. The Yamaha Water Temperature Switch 717-82560-01-00 is one of those parts that keeps an eye on your engine before things get out of hand. It monitors engine temperature and triggers warnings if things start running too hot. When it fails, you might not get that early warning, which can lead to bigger problems fast. If you're dealing with overheating alerts or no alerts at all, this is one of the first things worth checking.. Key Features. • Overheat Protection Monitoring - Detects rising engine temperatures and signals warning systems.. • OEM Fit Precision - Built to Yamaha specifications for accurate sensing and proper installation.. • Reliable Signal Response - Helps ensure alerts are triggered when temperatures exceed safe limits.. • Durable Sensor Construction - Designed to withstand heat, moisture, and marine conditions.. Engine & Boat Compatibility. Verify compatibility with your specific Yamaha en