Honda BF50 (5HP), BF5A Outboard Motors Shop Manual 2014, Page 60Get this manual
BF50BF5A
9THROTTLE CABLEHANDLE
DIAPHRAGM ASSEMBLY REASSEMBL Y: Replace if the diaphragm rubber is deteriorated or damagedWhen installing to the throttle shaft bracketadjust distance between the adjusting nut end and bracket to 8.7 mm (0.34 0.04 in)THROTTLE SHAFT BRACKEI DIAPHRAGM8.71 (0.34 0.09 in) THROTTLE LINK REASSEMBL Y: Install between the 32 mm and 18 mm spring pins
THROTTLE ARM SPRING REASSEMBL Y: Hook the ends to the throttle link and 32 mm spring pin as shownTHROTTLE LINK
THROTTLE SHAFT SPRING ADJUSTING NUT REASSEMBL Y: Hook the ends to the shift shaft and lug on the engine housing as shown
ADJUSTING
THROTTLE SHAFT BRACKET REASSEMBL Y: After installing the diaphragm to the bracket, install the bracket being careful that the diaphragm rod does not interfere with the throttle link