my merc 120 doesnot pump water a low idle but it does at 1200 rpm should i change the pump
S snowy_30 Cadet Joined Aug 6, 2007 Messages 6 Aug 6, 2007 #1 my merc 120 doesnot pump water a low idle but it does at 1200 rpm should i change the pump
L Limited-Time Vice Admiral Joined Mar 30, 2005 Messages 5,820 Aug 6, 2007 #2 Re: not pumping water at low idle Sounds like the impeller to me. When was it last changed??