Water pressure, Block temperature

gwg

Seaman Apprentice
Joined
Aug 26, 2015
Messages
44
What is the normal operating temperature range? and water pressure range?, from idle to WOT, for a 2000 Johnson 150 ocean pro?
 

Chris1956

Supreme Mariner
Joined
Mar 25, 2004
Messages
27,036
My '98 Johnny 150HPV6 has almost 30PSI at near WOT, according to my gauge. 25PSI at cruise speed is normal.
 

gwg

Seaman Apprentice
Joined
Aug 26, 2015
Messages
44
Thanks, Do you know what your normal block temperature or water temperature would be?
 

Chris1956

Supreme Mariner
Joined
Mar 25, 2004
Messages
27,036
Most marine thermostats open at 140*F. I would expect them to run a bit hotter than that at cruise.
 

bob johnson

Rear Admiral
Joined
Feb 25, 2009
Messages
4,304
at idle... my V4 of the same style.. runs 140ish... at wot...it drops to 100 degrees

water pressure is about 25 psi at WOT


bob
 

gwg

Seaman Apprentice
Joined
Aug 26, 2015
Messages
44
thanks, Im installing both, probably 0-60psi kit, and a 100-250F kit
 
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