Honda BF50 (5HP), BF5A Outboard Motors Shop Manual 2014, Page 23Get this manual
BF50BF5A bPilot screw
If the pilot screw setting needs adjustment: 1) Turn the pilot screw in or out until the engine runs at the highest idle rpmIf the pilot screw has been removed and replaced, start with an initial setting of 238 turns out from the fully closed position2) Turn the throttle stop screw to obtain the specified idle speed
8THROITLE CABLE
1) Remove the recoil starter2) With the throttle grip in 'SLOW" position, adjust the distance
between the cable bracket and the end of the cable sheath to
9.0 0.5 mm (0.354 0.020 in) by loosening the lock nut and
turning the adjusting nut3) Tighten the lock nut securely
9 0.5 mm (0.35 0.2 in)
THROTTLE SHAFT