2003 Suzuki LT-Z400 Factory Service Manual, Page 130Get this manual
COOLING AND Drain small amount of engine coolantPlace under the thermostat caSR Remove the thermostat case, Remove tile 4)
value, Standard: " Keep on the water to raise its temperature"' Just when the water reaches specified value, the thermostat
valve should have lifted by at least 6.0 mm (0.24 in)Thermostat valve lift 6.0 mm at 90"C (Over 0.24 in at 194"F) either
of the two requirements and valve lift) must be replaced with new one Install the therrnostat in Hie reverse order of removal
coolant 10 the rubber seal on the tller-mastat the thermostatbe sure to add coolantAfter install Install Hie front fender.