Honda BF50 (5HP), BF5A Outboard Motors Shop Manual 2014, Page 105Get this manual
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IISERVICE INFORMATION
1-34 turns out (frame serial number 1300001-1699999, Carb 10 BC05C A) 1-78 turns out (frame serial number 1700001-1999999, Carb 10 BC05C B) 0,060,14 mm O,11-0,19mm B