2001 Mercury Mariner 50-60HP Factory Service Manual, Page 174Get this manual

2001 Mercury Mariner 50-60HP Factory Service Manual, Page 174

CARBURETOR
Idle Speed
NOTE: Outboard should be completely warmed up for the idle speed adjustment1With the outboard in forward gear adjust idle speed screw to obtain the specified idle speed
NOTE: Turning idle speed adjustment screw; clockwise will increase engine idling speed counterclockwise will decrease engine idling speed

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