1996-2005 Suzuki DF40, DF50 Four Stroke Outboard Service Manual, Page 207Get this manual

1996-2005 Suzuki DF40, DF50 Four Stroke Outboard Service Manual, Page 207

POWER UNIT 6-64
THERMOSTAT
REMOVAL
Disconnect water hose from thermostat cover Remove the four (4) bolts securing the thermostat cover, then remove the cover and thermostat 4
INSPECTION
If salt deposits, corrosion, wear or other damage is found, clean or replace
Thermostat operation Check thermostat opening temperature as follows :