Honda BF35A-BF45A Outboard Motors Shop Manual., Page 340Get this manual
4CARBURETORANTAKE MANIFOLD INSTALLATION 1) Install new intake manifold gasket onto the cylinder
head2) Install the carburetor and manifold assembly and loosely install the mm cap nuts, fuel tube clamp and 32 rnrn flange bolts
3) Tighten the 32 rnrn flange bolts and mrn cap nuts to the specified torque in the numbered sequence shown insteps