Honda Outboards BF40A/BF50A Service Manual, Page 411Get this manual

Honda Outboards BF40A/BF50A Service Manual, Page 411

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BF40A-BF50A SPOOL VALVE, SLEEVE, VALVE B
"OIL TANK
Visually inspect the oil seal installation section of the oil tankReplace the oil tank if scratched or damaged
[1] OIL SEAL INSTALL