Honda BF135A, BF150A Outboard Motors Shop Manual., Page 337Get this manual

Honda BF135A, BF150A Outboard Motors Shop Manual., Page 337

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BF135ABF150A
[1] SEAL HOLDER ASSEBLY

4) Disconnect the air vent tube and the oil tube from the mounting case
[1] AIR VENT TUBE A

OIL TUBE