Honda BF20A-BF25A, BF25D-BF30D Outboard Motors Shop Manual., Page 272Get this manual
Loosen the linkage pivot lock nut, detach the linkage pivot from the throttle cam and adjust by turning the linkage pivotAfter adjustment, attach the linkage pivot to the throttle cam and tighten the lock nut securelyAfter tightening the lock nut, move the throttle arm to the fully open positionBe sure there is clearance of mrn (0.04 in) or less between the carburetor throttle lever and stopper on the N0.3 carburetorIf the clearance is more than mm (0.04 in), readjust by turning the linkage pivotAttach the throttle cable to the throttle arm and install the mm washers and mm lock pinAdjust the throttle cable lengthLINKAGE PIVOT 1 mm (0.04 in) or