Question about Boating
I have a 1962 75 hp. evinrude outboad motor that keeps overheating.ive taken lower unit off to replace impeller,but impeller was in good shape.i connected a garden house right to the copper tube running up into engine and turned water on and then started motor.hardly any water comes out exhaust,and what little water that does comes out is steam and extremely hot.within 15 minutes,the overheat light on dash comes on.im stumped,it almost seems like something is plugging water jackets in motor.is this possible,or could it be something else? GARY
Mate.The powerhead(engine block) is clogged.Don,t run it anymore untill its cleaned out or the motor will cook.Take the heads off 1st and see whats in the water jackets.It will probably be blocked.A build up of white 'gunk' is the main indicator.If thats the case,a complete cleanout is needed.Hope this helps
Posted on Jul 27, 2009
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Posted on Jan 02, 2017
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have you changed the impeller inside the lower unit.
There is copper pipe to redirect water up into the engine.
When you replaced the impeller make the copper pipe is insert onto the engine.
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