Honda B75K2-B75K3 Outboard Motors Manual., Page 47Get this manual
Carburetor Start the engineTurn the stop screw to set the idle speed to 1,200 rpmThen turn the pilot screw in either direction to obtain the highest possible smooth engine speedFinally turn the stop screw to set the engine speed to the standard idle rpm Engine speed in reverse operation 1) Align the red mark on the shift lever with the" mark
2) Align the" mark on the grip pipe cover with the red mark on the handle
3) Loosen the lock nuts and B, and adjust the