Honda BF9.9A-BF15A Outboard Motors Shop Manual., Page 74Get this manual
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HONDA BF9.9A-BFISA
[I] CONTACT TOO HIGH
STANDARD VALVE SEAT WIDTH: 1.0 mm (0.04 in)
I _ [2] CONTACT TOO LOW
Page: 74 Honda BF9.9A-BF15A Outboard Motors Sho