Honda B75K2-B75K3 Outboard Motors Manual., Page 11Get this manual
Assembly Intake manifold 1 Install the chamber gasket A, chamber plate and chamber gasket B, on the cylinder head, and install the intake manifold to the head with the three mm bolts
2Install the thermostat into the intake manifold and install the thermostat cover to the manifold with the three mm bolts
3Connect the water tubes
Water tube
Thermostat
Carburetor
1T assemble, reverse the disassembly procedure(See pages thru 10