Is the Spring Breeze 250 thermometer normal?

The water tank temperature of Feng Chun 250 motorcycle is about 80-90 degrees Celsius. If the temperature of the water tank is too high, it will have a bad influence on the engine. For example, poor heat dissipation, too high temperature will lead to the expansion of parts, thus reducing the fitting clearance of parts and reducing the viscosity of engine oil. In this case, the wear of parts will be aggravated.