1998 Mercury 9.9/15HP 4-stroke outboards factory service manual, Page 136Get this manual
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CARBURETOR
a-Gasket b-Cover c-Screw (2)-M4x10 d-Valve e-Gasket-Float Bowl
Page 3B-18
f-Float Bowl g-Screws (4)-M4x12 h-Gasket-Drain Screw i-Drain Screw-M5x6