Water intake screen replacement 72 Evinrude 18hp

[whitejd12]

Hey all,

I've started a new thread since my last one has pretty much been solved. Now on to the next problem. I've decided to try to replace the water intake screen but how do I do it? I've ordered both the screen and plug , but by looking at it, don't know how I'm gonna get the old plug out. Any tricks or ideas? Thanks a lot!!

 

[Daviet]

Re: Water intake screen replacement 72 Evinrude 18hp

If I remember correctly, the plug is a flat disc, drill a small hole in it and use a scribe to pop it out.

 

[F_R]

Re: Water intake screen replacement 72 Evinrude 18hp

As I remember it, it is a thicker plug than that, pressed in. Drill a hole in it, tap threads in the hole, then use something like a slide hammer/dent puller to yank it out.

In all my years and way too many motors to count, I don't think I've ever replaced more than two or three of those screens, if that.

 

[whitejd12]

Re: Water intake screen replacement 72 Evinrude 18hp

If I gotta do all that to get it out, how am I supposed to get the new one in? Maybe I just wont bother. When the parts come in I'll look at them to see what they look like then maybe I'll get a clue on the job.

 

[boobie]

Re: Water intake screen replacement 72 Evinrude 18hp

Clean up the screen with acetone to get the paint out and let it go at that.

 

[F_R]

Re: Water intake screen replacement 72 Evinrude 18hp

If you are worried about getting it in, trust me it is a lot easier than getting it out. Slide the new screen in, and follow with the plug. A few taps with a hammer puts the plug in.

I agree, if the screen is not missing or severely damaged, don't mess with it. Bent is not "severely damaged".

 

[HighTrim]

Re: Water intake screen replacement 72 Evinrude 18hp

Can I ask what is wrong with the current one?

That is something I don't think I have ever messed with!

 

[whitejd12]

Re: Water intake screen replacement 72 Evinrude 18hp

Chris,

Nothing is really "wrong" with it. I just figured I'd replace it, the parts were available and cheap. Maybe I'll just clean it up though, like was said on here, forget it, and return the parts.

 

[racerone]

Re: Water intake screen replacement 72 Evinrude 18hp

Actually quite simple to replace it.----What I have done is tapped the hole for a stainless set screw instead of the plug.-------------Would make replacement even easier should it ever need to be done again.

 

[gm280]

Re: Water intake screen replacement 72 Evinrude 18hp

Oh yea I do remember that screen and plug. I replaced mine when rebuilding my 1976 Johnson 40HP. I drilled out the old plug and bought a new screen, really cheap too. Then I installed the new screen and installed a threaded plug with some epoxy type sealer. It was really easy to do. Oh and by the way, my old screen was pretty much gone too. That is why I replaced mine. And that plug is not just a hollow cap type either, like some freeze type plugs in engine blocks. Mine was a solid plug that had to be drilled out. Hope this helps you out!

 

[boobie]

Re: Water intake screen replacement 72 Evinrude 18hp

Racer, do you mean you leave the plug out ??

 

[racerone]

Re: Water intake screen replacement 72 Evinrude 18hp

Original plug is thrown away.-------Stainless setscrew is installed

 

[boobie]

Re: Water intake screen replacement 72 Evinrude 18hp

How big is the set screw ??