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1971 25hp Johnson

jwend

New member
I have a 1971 25hp johnson. How is this engine cooled? It doesnt pee out of the back corner of the motor like newer ones do. I have ran it for a couple years, and last year it got hot and I haven't started it since. I think the rings might be smoked, but I haven't torn into it. I want to know what I am getting into before I start tearing it down. Any info on these older motors would be helpful. Thank you
 
thanks for the info! where does the water actually pickup? I know you cannot use the ear muffs on this older motor, so I have always had it in water when starting it. Where does the water come out? It does not pee... It never has. I wasnt sure if it even had a water pump. That is why I am wondering how it is cooled.

Wouldnt it have to have a water pump in order to cool itself?
 
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