Honda Outboards BF40A/BF50A Service Manual, Page 260Get this manual
Model: BF5030AY Re: Carburetor assembly parts Cor_tents: We would :"ike to inform you that the carburetor assembly parts have been changed from the following model numbers onOld
Compatib11ity
C1RIURRTOR
C1RBURl?TOP_
CARBURETOR ASBY{I"
CARBURETOR A3SY(II
CARBIJRETOR ASSYCARBURETOR ABBY(lfl 12
CARBURETOR ASSYCARBURETOR A3SY(#1 1-2 )
CARBIJRETOR l.SSYCARBURETOR ASSY
CARBURPTOR ASSY(II :
CARBURETOR A3SY
ISt,lhiliz.1tion of the idle speed by cha::I'3e of the paoElage to the pilot sere' part of the carburetor body