1980 Johnson 60 hp 2 cylinders (overheating)

[philippe546]

Just bought this motor, placed it in a drum of water, starts good cold, overheats quickly, noticed that the water more than tricles out the outlet ports & should be warm but is cold like the water in the drum. What would stop it from circulating through the motor to cool it off?<br />HELP

 

[Joe Reeves]

Re: 1980 Johnson 60 hp 2 cylinders (overheating)

If the engine is actually overheating, I'd suspect the thermostat and water pump assy.

 

[philippe546]

Re: 1980 Johnson 60 hp 2 cylinders (overheating)

Thanks Joe; The water pump sends a large volume of water up the foot & out the two outlets just under the power head were ordinary it should just tricle out, somehow it's not reaching the motor to cool it off.

 

[DHPMARINE]

Re: 1980 Johnson 60 hp 2 cylinders (overheating)

Standard Operating Procedure (as Joe states)<br /><br />It's new to you so start with a new water pump kit.A new thermostat never hurts.Then you'll know that much is good,and we can advise about going deeper.<br /><br />DHP

 

[Joe Reeves]

Re: 1980 Johnson 60 hp 2 cylinders (overheating)

Check the compression. A slightly blown head gasket has been known to cause the combustion to enter the water passageways which in turn cause a stalemate..... water is obstructed and cannot go beyond a certain point.