water pump

is there a thermostat on 25 hp 4 stroke?

[robert graham]

Yes,a water pump and a thermostat.

thermo

where is thermostat on 25 hp 4 stroke? do i need to replCE WHEN I DO THE IMPELLER?

[rkmartin]

How old is the motor? Since it’s a 4 stroke I assume its less than five years old. If you are not having any cooling issues, leave it alone. If the engine is used or you have no idea of the history.... You could change it for assurance.

If its not broke don't fix it.