omc 3.8 800 series

[seang]

Hi
I have my outdrive off the boat to replace the shift cable and water pump ........but I want to start the motor and make sure it is ok before I dump any more money into this .
I made 2 manifolds to bolt on to the intermediate housing sides where the water enters from the outdrive water pump anyone see a problem with me running the motor like this off the garden water hose ?
Just want to make sure everything is ok in the motor as it wasnt running when I got it and when I took the water pump out it was cracked .......thinking because the previous owner left the outdrive in the up position when he stored it for the winter.
Thanks
Sean

 

[Bondo]

Just want to make sure everything is ok in the motor as it wasnt running when I got it

Ayuh,..... To bench test a motor like that, I hook the garden hose to the in-comin' raw water line nipple on the t-stat housin',.....

 

[seang]

seems to be working the water is flowing through I opened the engine block drain plugs to make sure and when I fired it up water was coming out of the exh port and also squirting over where the ball drives would be .....what sort of temperature should I be seeing ran it for 20 minutes at idle it gradually got up to 180f and I shut it down
I dont see any water or anything on the dipstick and its idling nice just concerned it seems a little hot at 180 on garden hose water

 

[seang]

I took the thermostat out put it in a pot on the stove it didnt open until it was 180f and its a 160 f thermostat ....so hopefully thats the problem checked the oil no signs of water on the dip stick

 

[Howard Sterndrive]

good idea to change it.
garden hose on full blast and feed the water straight to the tstat housing nipple like Bondo said.