2003 250efi merc idle problem

skillman

Petty Officer 3rd Class
Joined
Nov 15, 2007
Messages
76
The problem i'm having with this motor is when i start it up for the first time it idles fine sometimes, but after i put it in gear and go back to neutral it wants to idle at 1200-1300rpms every time. Other than this the engine runs great. Any idea what might be causing this issue?
 
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