Honda Outboards BF40A/BF50A Service Manual, Page 242Get this manual
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12OIL PANPRIMARY GEAR CASESWIVEL CASE 11OIL PANMUFFLER
(13) EXTENTION CASE GROMMET
12 mm DRAIN PLUG WASHER
'DRAIN PLUG BOLT
I 23 Nm (2 .3 kg-m16.6 ft-Ib) I