what would be the temp operating range of 70 horse Johnson?
cat toon Seaman Joined Sep 20, 2010 Messages 61 May 15, 2013 #1 what would be the temp operating range of 70 horse Johnson?
Faztbullet Supreme Mariner Joined Mar 2, 2008 Messages 15,930 May 15, 2013 #2 Re: 70 horse operating temp? 143-155? at idle and about 125-130? at cruise and WOT...
Joe Reeves Supreme Mariner Joined Feb 24, 2002 Messages 13,262 May 15, 2013 #3 Re: 70 horse operating temp? The thermostat generally opens at around the 148 degree mark, so the engine is going to run slightly hotter than that. probably around 150/155.
Re: 70 horse operating temp? The thermostat generally opens at around the 148 degree mark, so the engine is going to run slightly hotter than that. probably around 150/155.