1983 johnson overheating

[morning_star]

has new impeller runs about 20

has new impeller runs about 20-30 min then steam out of pee hole at wot dont have any power this is a 83 75 hp johnson

 

[jwbmarine]

"replace thermo items,..pull l

"replace thermo items,..pull lower unit,and insp water pump parts.look at diagrams on evinrude.com to insure u have all parts that are required,...in the pump housing..insp water intake area in lower unit.
-check engine compression-"

 

[morning_star]

it has 120 in #1 150 in #2 and

it has 120 in #1 150 in #2 and 180in #3 but thre is a milky white liquid in #2&3 cyl. could this mean a cracked head or blowen head gasket

 

[jwbmarine]

"hopefully,it is hd gasket,pul

"hopefully,it is hd gasket,pull and look at it closely....if it looks like it was ok,..pull side exhaust covers off,as it has prob burnt thru...common on 3 cyl's.this may be why u r overheating."

 

[morning_star]

is that the large plate on the

is that the large plate on the left side looking at the motor from outside the boat at the back

 

[david_r]

"you can go to shopevinrude.co

"you can go to shopevinrude.com and get exploded diagrams and parts descriptions......heres a diagram

http://shop2.evinrude.com/Scripts/ImgServ.exe/convert?ilFN=E%3A%5CEmpartWeb%5CDa ta%5C41%5C393586%5C20.TIF&ilSC=40&ilIV=0&ilBR=0&ilIF=P&ilRE=8


or you can go to shopevinrude.com and just type in your info under parts and pull up the "cylinder & crankcase" diagram and look at #31"