Honda BF35A-BF45A Outboard Motors Shop Manual., Page 103Get this manual
OIL PUMP 1) Remove the cylinder head assembly
NOTE After assembling the oil pump and before installing it on the cylinder head, pour approximately cc (0.3 cu in) of oil into the oil pump body
5 17.8 mm ROLLER [I61 55 (4) 13 N-m (1-3kg-m, 9.4 ft-lb)
not forget install
REASSEMBLY
pply lock agent
14 mm SEALING BOLT