Honda BF35A-BF45A Outboard Motors Shop Manual., Page 74Get this manual
DASHPOT CHECK VALVEIFUEL TUBE CLAMP INSTALLATION BF45A:
Install the dashpot check valve so thatmark is towardthe carburetor sideClamp the fuel tubes with the fuel tube clamp as shown
FUEL TUBE D
l21 INSTALL PIPE
FUEL CLAMP A
FUEL TUBE