Honda BF50 (5HP), BF5A Outboard Motors Shop Manual 2014, Page 30Get this manual
BFSOBFSA STARTER REEL (REASSEMBLY)
1) Install the return spring to the spring retainer then install into the starter case by hooking the spring outer end to the center of the groove of the retainer and inner end to the tab on the caseGROOVE
4) While holding the rope end in the notch on the edge of the reel, rotate the reel counterclockwise two turns to preload the return spring
2) Route one end of the starter rope through the hole in the starter reel and tie knot in the end5) Pass the rope end through the hole out of the starter case by holding the starter reelInsert the rope into the starter grip and tie the rope end and install the grip cap