Honda BF115A, BF130A Outboard Motors Shop Manual., Page 196Get this manual
HONDA BF115A-130A
4) Remove the timing belt from the timing belt driven pulley11I TIMING BELT
TIMING BELT DRIVEN PULLEY
5) Using the special tool, remove the 12 38 mm flange bolt and the 12.5 34 mm washer that secure the timing belt driven pulley
TOOL: Lock nut wrench, 56 mm
07LPA-ZV30200
LOCK 131 NUT