2009 Yamaha F40 Outboard Service Manual, Page 265Get this manual
Lower unit
3Install the dowels and the hose into the lower unit4Install the lower unit to the upper case, and then tighten the lower case mounting bolts and to the specified torque5Install the trim tab to its original position6Install the anode hPropeller nut j: 35 Nm (3.5 kgfm, 25.8 ftlb)