Thermostat Inspection; Thermostat Installation - Honda 2003 NPS50 Ruckus Service Manual

COOLING SYSTEM

THERMOSTAT INSPECTION

Visually inspect the thermostat for damage.
Heat a pan of water with an electric heating element
Keep flammable
to operating temperature for 5 minutes.
materials away
Suspend the thermostat in the heated water to
from the electric
check its operation.
heating element.
Replace the thermostat if the valve stays open at
Do not let the
room temperature, or if it responds at temperatures
thermostat or
other than those specified.
thermometer touch
the pan, or you will
THERMOSTAT BEGINS TO OPEN:
get false readings.
74 - 78 "C (165 - 172 "F)
VALVE LIFT:
8 mm (0.3 in) minimum at 100 "C (212 " F )
INSTALLATION
THERMOSTAT
WIRE BAND
STAY
THERMOSTAT
Coat a new seal ring with coolant and install it into
the groove of the thermostat.
Install the thermostat into the water pump, aligning
the tab of the thermostat with the groove of the
water pump.
7- 1 0
THERMOSTAT COVER
THERMOSTAT
0-RING
THERMOSTAT
THERMOMETER