223000254 - INTRODUCTION - WATER PUMP AND THERMOSTAT (BIPOWER)

COOLANT PUMP

It is the centrifugal type with vanes, fixed to the crankcase and directly directly by the timing belt.

THERMOSTAT

Mounted on the rear of the cylinder head, its function is to keep the engine at the optimum temperature:

• with temperature lower than 88° C (thermostat closed), the coolant flow is diverted directly upstream of the pump.
• with temperature higher than 88° C, the thermostat begins to open until the temperature is about 100° C (thermostat fully open).