TrailMaster TrailMaster 250cc / 300cc Water Temperture Sensor Switch For Gokarts TrailMaster 250cc / 300cc Water Temperture Sensor Switch For Gokarts Item #:169.05.712 / 152MI-022600 The 250cc/300cc Water Temperature Sensor Switch for Trailmaster monitors engine coolant temperature, providing crucial data for engine... $23.94 Add to Cart Add to Wish list Compare