Honda BF20A-BF25A, BF25D-BF30D Outboard Motors Shop Manual., Page 291Get this manual
CARBURETOR ASSEMBLY INSTALLATION Install new intake manifold gasket and carburetor assembly on the cylinder headLoosely tighten the Wo mm cap nuts and four 32 mm flange boltsTighten each bolt and nut in criss-cross pattern in two or three steps to the specified torqueTORQUE: 12 Nmm kgf-m, lbf-ft) (1.2