Mercury Mariner 8/9.9HP 4-Stroke Factory Service Manual, Page 104Get this manual

Mercury Mariner 8/9.9HP 4-Stroke Factory Service Manual, Page 104

3Remove screws, cover, and diaphragm 3Inspect needle valve for grooves and replace if necesary
aScrewsCoverDiaphragm

4Inspect float for cracks or damage and replace if necessary
Inspection
1Inspect carburetor body for cracks or damage and replace if necessary28308

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