Honda Outboards BF40A/BF50A Service Manual, Page 333Get this manual
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BF40A-BF50A No.2 CARBURETOR
[12] MAIN NOZZLE
[4] JET NOZZLE
[10] ORING
Do not reuse
[5] MAIN JET
[6] FLOAT PIN [11] THROTTLE
STOP SCREW [