Yamaha - Thermosensor assy - 6C5-85790-00-00Yamaha Thermosensor Assembly Temperature Sensor Component 6C5 85790 00 00 Overview Temperature issues arent always obvious until the alarm goes offor worse, it doesnt. This thermosensor is what keeps track of engine heat and lets the system know when somethings off. Ive seen bad sensors give false readings or miss overheating altogether, which can turn into a real problem fast. Keeping a reliable sensor in place gives you peace of mind that the motors