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steadyon · 06-28-2009, 10:04 AM

Hi all,
Our boat is a 2004 pontoon with a 90 Merc.
This season, (although only been out 3 times so far!) the engine is not idling well and when it does its very rough or it will stall. It does start back up and seems to drive fine. Do any of you mechanical minds have any thoughts?
Maybe the idle needs adjusting or spark plugs need changing?
Thanks

06-28-2009, 10:04 AM	#1
steadyon Senior Member Join Date: Jan 2007 Location: Meredith Posts: 102 Thanks: 0 Thanked 7 Times in 6 Posts	low idle Hi all, Our boat is a 2004 pontoon with a 90 Merc. This season, (although only been out 3 times so far!) the engine is not idling well and when it does its very rough or it will stall. It does start back up and seems to drive fine. Do any of you mechanical minds have any thoughts? Maybe the idle needs adjusting or spark plugs need changing? Thanks