Honda Outboards BF40A/BF50A Service Manual, Page 374Get this manual
BF40A-BF50A Apply grease to the inside of the throttle grip pipe, inside of the friction grip, both ends of the throttle cable pin, handle pipe and both sides of the friction padSet the throttle friction pad on the grip pipe Install the grip pipe on the tiller handle by slowly turning it clockwise[1] BOSS
[6] CUTOUT
[2] THROTILE
FRICTION DISC
[7] (Inside