1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 106Get this manual

1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 106

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IDLE SPEED ADJUSTMENT
Model 70 75 80 90 100 115

Carburetor Number WME-7 WME-8, 17 WME-9 WME-10 WME-19 WME-11, 20 WME-14, 21

Main Jet Size (inch) .072 .068 .064 .072 .06

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