PIAGGIO 500 cc Service Manual page 230

SPECIFICATIONS
Cooling system capacity
Recommended fluid
Seal pressure
THERMOSTAT
ELECTROVENTILATION
WATER PUMP
RADIATOR
EXPANSION TANK
1.8 l
50% mixture of water and sealed circuit fluid (PARAFLU 11 FE)
Plug calibrated to 0.9 bar
Type
Initial opening
Opening stroke at 90° C
Type
Initial electroventilation
End electroventilation
Type
Command
Type
Type
wax, with switch
75 ± 2 °C
4 mm
injection operated
106° C
98° C
centrifuge
coaxial to the counter shaft
in aluminium with horizontal circulation
self-discharging, parallel to the
radiator
Cooling
11
11 - 3