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Author Topic: Intake port after needle valve fail  (Read 1141 times)
rafster
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Posts: 45

Gastonia, NC


« on: September 17, 2017, 01:00:02 PM »

If you don't want the history, skip to paragraph 2 for my question. So 2 years ago a old electrical issue resurfaced while riding home after a glorious day in the NC mountains. In my aggravated state I left the peacock open on my 97 standard. 5 months later Failure to fix the electrical issue prevented annual inspection so the bike sat. After several more months of sitting I notice a fuel leak coupled with  that wonderful fouled  fuel / carb varnish odor.  I did what any good procrastinator does. I left it alone. Fast forward to this month.  I'm itching to ride. Everything is torn down. I'm cussing myself because carb cleanup is tedious and I have myself to blame. I had fuel in left side rear two cylinders. (Really wishing I would have made a video of the fuel shooting out the spark plug holes.)

Here's my question. Crappy fuel, varnish, etc has deposited on my valve stems and intake ports. Do I pull the head(s) for a proper cleanup or do I put her back together and run a few tanks of sea foam through?

Having photobucket issues. I'll post images as soon as I can.


 

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rafster
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Posts: 45

Gastonia, NC


« Reply #1 on: September 17, 2017, 01:02:45 PM »

I will add - I know there's a petcock issue. I'm still not sure what my fix will be.   Just working through one problem at a time.
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Pete
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Frasier in Southeast Tennessee


« Reply #2 on: September 17, 2017, 01:04:28 PM »

You  can shoot some carb cleaner in it and wipe out what you can.
As for the rest gas will clean it out eventually.

Do not worry about it.

Have fun.
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oldsmokey
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Posts: 354

Mendon Massachusetts


« Reply #3 on: September 17, 2017, 01:12:17 PM »

I would button it up. Oil change before running, and again after a short run just in case gas contaminated the crankcase. Wouldn't hurt for a shot of mystery oil or a little motor in cylinders since you know they have been gas washed. Give it a little spin with plugs out and a towel over plug holes. Even a drop of oil on valve stems for good intentions. Fire it up.
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rafster
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Posts: 45

Gastonia, NC


« Reply #4 on: September 17, 2017, 01:18:17 PM »

Thanks for the affirmations. I figured I would be ok buttoning it up. We will see. Still awaiting parts.
I didn't take the time to crop and zoom, but here's the mess:

« Last Edit: September 17, 2017, 01:23:09 PM by rafster » Logged
rafster
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Gastonia, NC


« Reply #5 on: September 17, 2017, 01:24:38 PM »

Another view:

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oldsmokey
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Mendon Massachusetts


« Reply #6 on: September 17, 2017, 05:02:17 PM »

A little pre-lube where ever you can get it with a quick spin before firing certainly wouldn't hurt, just be sure you are well ventilated when it does fire up Shocked
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rafster
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Gastonia, NC


« Reply #7 on: September 17, 2017, 06:02:12 PM »

Good suggestion! Thanks.
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Willow
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Excessive comfort breeds weakness. PttP

Olathe, KS


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« Reply #8 on: September 18, 2017, 06:44:09 AM »

If you had fuel in two cylinders don't you have float issues as well as a petcock issue?
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Bagger John - #3785
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« Reply #9 on: September 18, 2017, 07:05:24 AM »

If you had fuel in two cylinders don't you have float issues as well as a petcock issue?
Definitely this.

Don't Band-Aid the problem. R&R the carbs and fix the petcock while you have the tank off.
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rafster
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Posts: 45

Gastonia, NC


« Reply #10 on: September 18, 2017, 06:38:01 PM »

If you had fuel in two cylinders don't you have float issues as well as a petcock issue?
Definitely this.

Don't Band-Aid the problem. R&R the carbs and fix the petcock while you have the tank off.

No worries there as no band aid fix is forthcoming. As I'm sure youre aware, it would be impossssible to remedy this without addressing carbs and peacock. The photos don't  show it, but the carbs are already on the bench. Initial scrubdown completed. Second fine (and hopefully final) cleaning coming after another overnight soak. Waiting on parts for petcock and carbs. 

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