Honda BF50 (5HP), BF5A Outboard Motors Shop Manual 2014, Page 105Get this manual
IISERVICE INFORMATION
2MAINTENANCE SCHEDULE
1MAINTENANCE STANDARDS
1MAINTENANCE STANDARDS
Part Engine Carburetor Main jet Main jet Main air jet Pilot jet Pilot air jet Pilot screw opening Pilot screw opening Valve clearance Spark plug IN EX Standard spark plug Plug gap Item Idle speed (in neutral) Standard 1,300 100 rpm Service limit-
#75 (frame serial number 1300001-1699999, Carb 10 BC05C A) #78 (frame serial number 1700001-1999999Carb 10 BC05C B) #130 #40 #115