Honda BF8, BF9.9 and BF10 Outboard Motors Shop Manual., Page 153Get this manual
5) Install the guide plate in the direction shown 6Install the woodruff key onto the crankshaft and install the timing belt drive pulley in the direction shown7) Apply oil the thread and seating surface of the 24 lock nut, and install it loosely on the crankshaft
141 GUIDE
8) Hold the crankshaft with the crankshaft holder and tighten the 24 mm lock nut to the specified torque using the lock nut wrenchTORQUE: 54 N-m (5.5 kgf-m, 40 Ibf-ft) TOOLS: Crankshaft holder 30 mm Lock nut wrench