Tohatsu 4 Stroke MFS 2/2.5/3.5A Outboards Service Manual, Page 67Get this manual
Fuel System (Carburetor) 8) Assembling Carburetor
1Attach carburetor ass'y to intake manifoldCarburetor Bolt6N (4 lb ft) [0.6kgf m] Put carburetor gaskets and and insulator together with their projections at the same side, and install carburetor