2001 Mercury 125 at high altitude

johnnymmmm

Recruit
Joined
Jun 7, 2010
Messages
1
bought a pontoon with a 2001 Merc 125 and had a new powerhead put on it.
We have it up in Grand Lake, Colorado at 8500 ft. and it runs okay now except for idling. Is there a way I can adjust this myself or do I have to pull it out and take it down to the local dealer and wait 2-3 weeks to get it done.
thanks
 
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