1972 25hp evinrude water over flow issue

[racerone]

A gasket could not leak that much.----Look carefully at bottom of cylinder head.----Stop video if you must.----Owner should post picture when head is off.

 

[nick271]

Going to do some more work on it on Friday will post pics when it's all striped down
Also do the cylinder head gaskets need to be glued on?

 

[nick271]

For anyone else that finds this thread in the future for a similar problem hears all the tec specs iv found

 

[saltchuckmatt]

No, no need or do not glue on head gasket.

True up head, install but like what was stated, that is not your problem.

 

[nick271]

Get to have a play and good look at it tomorrow and over the weekend iv got the old head there as well so if the head is damaged iv still got another head but the spark plug hole is striped I'll just have to retap it

 

[saltchuckmatt]

Something real flat, 220 sandpaper on it. Figure eight patterns with the head until it's all shiny.

Real easy

 

[nick271]

Something real flat, 220 sandpaper on it. Figure eight patterns with the head until it's all shiny.

Real easy

Yeah iv seen a vidio on how to get it flat and good again but is there a easy way to do the block side with out getting shavings in the pistons with out pulling the head apart
Can I just stuff a sock or something in there?

 

[saltchuckmatt]

Yeah iv seen a vidio on how to get it flat and good again but is there a easy way to do the block side with out getting shavings in the pistons with out pulling the head apart
Can I just stuff a sock or something in there?

Originally, I think I sent you that video but the block side? Without removing the head?

 

[nick271]

@racerone for the win
Core plug has completely **** its self glad I bit the bullet and ordered 1 the same time as the gasket just need to wait till Tuesday when they arrive now

 

[nick271]

Thought I'd check the thermostat well im at it and there isn't 1 in there is it common for ppl to remove them cose it works better with out 1 on these motors?
Or should I definitely get 1

 

[saltchuckmatt]

Not where I live.

If I had a newer free one for you, could you pay the shipping?

But understand I'm about as far from you as one could be.

Seattle Washington USA 98189

 

[nick271]

I checked the other head and it had a thermostat in it was pretty grubby so I threw it in to soak with the carbie im currently cleaning up if it's still stuffed I'll order a new one there cheap enough was just curious why there was no thermostat in there
Probably should of checked that when I changed the heads over

 

[cyclops222]

Go faster without spending any money ?
They do it by removing parts of the boat and motor.
Or they needed the money for the part.

 

[davidmbv]

One of mine didn’t have one. Forgot why people remove them. Just order a new one with new gasket and don’t look back. Or test the one you found after you clean it up. Put it in hot water and see if it opens etc

 

[davidmbv]

Looks like the core plug , bottom of cylinder head is leaking.----Easy fix.

 

[davidmbv]

Likely the core plug item #15 is leaking or missing.----

 

[davidmbv]

A gasket could not leak that much.----Look carefully at bottom of cylinder head.----Stop video if you must.----Owner should post picture when head is off.

 

[nick271]

Got a question about the core plugs are the designed to be a weak point incase there's a pressure build up issue such as a blockage somewhere water can't get out so the core plug gives way instead?
I only ask as I was looking at my spare head with the striped sparkplug hole and someone went to alot of effort to seal it right up I'll post a pic
Is this a good idea or a bad idea?

 

[nick271]

Well that's about as good as the old girls gonna get
I did tap the core plug a lil to hard but lesson learned gentle taps next time

 

[nick271]

Well smacked the hell outta my knuckles and that hurt alot less than the knowledge of what just happened
I was only upto 80inch pounds of torque when it snaped so not even done upto requirements yet