Honda BF15D BF20D Outboard Motors Shop Manual., Page 227Get this manual
1SHIFT ARMITHROTTLE ARM (Remote control type) aREMOVAL
1) Remove the following:engine cover (P5-1)- right engine under cover (P5-3)2) Disconnect the remote control cables3) Loosen the mm bolt, then disconnect the link pivot from the carburetor throttle lever
111 CONTROL CABLE
121 GROMMET
4) Remove the 40 mm hex bolt, then remove the distance collar, shift arm and throttle arm5) Stretch the mm cotter pin and and remove it and mm washer, then disconnect the shift link rod from the shift arm