Mercury Mariner 25HP 4-Stroke Outboard Service Manual 1997, Page 114Get this manual

Mercury Mariner 25HP 4-Stroke Outboard Service Manual 1997, Page 114

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Carburetor Adjustments Float Level
Idle Speed
NOTE: Outboard should be completely warmed up for the idle speed adjustmentA cold engine will idle at approximately 1200 100 RPM (out of gear)

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