Hi all, New here and new to mercury 2-strokes so please forgive my basic questions.
I am a volunteer at a local boating center and because I know about car motors they assume I know about outboards as well.
The boating center has an 80's vintage (will get SN and year and post) V-6 Mercury 200, its a V-6 with three carburetors, black square cover.
It is overheating. Boat was donated - condition unknown and TOTALLY unknown to me. Starts, runs & drives fine - but overheats. Impellor and water pump were changed and it still overheats.
Where can i find the temperature sensor? What temp should the outside of the block be on an infared heat gun? Could a loose wire cause a faulty signal?
I have not yet pulled the plugs or started the motor. Can anyone provide some words of advice before I start taking things apart on this? I fear its a head gasket but don't want to just tell that that without knowing for sure.
What compression #'s should I get if I do a comp test?
Thanks all... OH anyone in Boston know anything and want to help? its volunteer work so the best i can do for you is pay you in beer
I am a volunteer at a local boating center and because I know about car motors they assume I know about outboards as well.
The boating center has an 80's vintage (will get SN and year and post) V-6 Mercury 200, its a V-6 with three carburetors, black square cover.
It is overheating. Boat was donated - condition unknown and TOTALLY unknown to me. Starts, runs & drives fine - but overheats. Impellor and water pump were changed and it still overheats.
Where can i find the temperature sensor? What temp should the outside of the block be on an infared heat gun? Could a loose wire cause a faulty signal?
I have not yet pulled the plugs or started the motor. Can anyone provide some words of advice before I start taking things apart on this? I fear its a head gasket but don't want to just tell that that without knowing for sure.
What compression #'s should I get if I do a comp test?
Thanks all... OH anyone in Boston know anything and want to help? its volunteer work so the best i can do for you is pay you in beer