2003 2005 YFM45FAR, YFM450FAR Kodiak OEM Service Manual, Page 227Get this manual
THERMOSTAT
CHECKING THE THERMOSTAT 1.Check: Thermostat Does not open at 63.566.5 (146.3151.7 F) Replace Checking steps: Suspend the thermostat in container filled with waterG Slowly heat the waterG Place thermometer in the waterG While stirring the water, observe the thermostat and thermometer's indicated temperature