140HP 3.0 I/O Mercruiser Engine.
H hvluve Seaman Apprentice Joined Oct 5, 2010 Messages 43 Jun 3, 2012 #1 140HP 3.0 I/O Mercruiser Engine.
Oshkosh1 Ensign Joined Jun 8, 2009 Messages 968 Jun 3, 2012 #2 Re: What Cooling Temperature Should My Boat Be @ So It don't overheating? 170-190...or thereabouts depending on the accuracy of your gauge. No more than around 40deg or so hotter than your T-stat(OEM is a 160 I beleive).
Re: What Cooling Temperature Should My Boat Be @ So It don't overheating? 170-190...or thereabouts depending on the accuracy of your gauge. No more than around 40deg or so hotter than your T-stat(OEM is a 160 I beleive).
Don S Honorary Moderator Emeritus Joined Aug 31, 2004 Messages 62,321 Jun 3, 2012 #3 Re: What Cooling Temperature Should My Boat Be @ So It don't overheating? Your engine should have a 140? thermostat, and you should never see over 175? on the temp gauge. 190? is too hot for any Mercruiser raw water cooled engine.
Re: What Cooling Temperature Should My Boat Be @ So It don't overheating? Your engine should have a 140? thermostat, and you should never see over 175? on the temp gauge. 190? is too hot for any Mercruiser raw water cooled engine.
H hvluve Seaman Apprentice Joined Oct 5, 2010 Messages 43 Jun 10, 2012 #4 Re: What Cooling Temperature Should My Boat Be @ So It don't overheating? Thanks guys for the info.