2001-2014 Honda BF/BFP8D, BF/BFP9.9D Outboards Shop Manual, Page 32Get this manual
BFBC-BFS.SC TILLER HANDLE TYPE
I Check the oil levelI
Correct level Low level
I Add engine oil to correct level
Start the engine and allow it to idleCheck the oil pressure indicator
Indicator ON
OK, test completes Indicator OFF
Disconnect the oil pressure switch wire (yellow) connector and check the indicator
Indicator ON
Check the oil pressure (P2-25) I
Abnormal
Indicator OFF