Honda Outboards BF40A/BF50A Service Manual, Page 364Get this manual
BF40A-BF50A SHIFT LEVER, SHIFT UNIT, THROTTLE ARM
1) Remove the hole cap and remove the 50 mm
[1HOLE CAP
socket bolt2) Remove the shift lever stopper and shift lever[6]
8mmWASHER
[2] 50 mm SOCKET BOLT
SHIFT LEVER STOPPER
SHIFT LEVER BUSHING