Honda Outboards BF40A/BF50A Service Manual, Page 98Get this manual
HONDA BF35A45A
WATER JACKET COVERTHERMOSTATTHERMO SWITCH
aDISASSEMBLY IREASSEMBLY
1) Remove the engine cover
[1] THERMOSTAT INSPECTION: P.8-3 _ [3] THERMOSTAT COVER
[10] THERMO SWITCH INSPECTION: P.8-3 TORQUE: 12 Nm (1.2 kg-m, 8.7 ft-Ib) THERMOSTAT COVER GASKET REASSEMBLY: