Spark plug threads on cylinder head

  • kzed
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Re: Spark plug threads on cylinder head

22 May 2021 06:29
#848851
The inserts worked great. Thank you guys!!!

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Re: Spark plug threads on cylinder head

22 May 2021 06:35
#848853
Err, shouldnt we be able to see the threads?
[img
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Z1000J2 somewhat modified!
[img

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  • Nessism
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Re: Spark plug threads on cylinder head

22 May 2021 06:58
#848856
What type of insert did you use?

Not to belabor a well beaten horse but those valve seats can be cleaned up to some extent through lapping.  And when reassembling the head be sure to use new valve stem seals and to properly set the valve clearances, ideally at the high end of the spec range.
Ed
Carb O-ring Kits : www.kzrider.com/forum/3-carburetor/61807...-o-ring-kits?start=0

www.kzrider.com/forum/faq-wiki/618026-new-owner-things-to-know

1981 KZ750E2
www.kzrider.com/forum/11-projects/604901...z750e-project-thread
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Re: Spark plug threads on cylinder head

22 May 2021 07:16 - 22 May 2021 07:19
#848858
Can y’all tell me off this is a proper way to clean this cylinder head? I’m going to try and post a video, so y’all can see

 the video does not have sound. The sound is just a Dremel tool motor though, you’re not missing anything important without the sound

Attachments:

    6433857070...AF62.MOV

Last edit: 22 May 2021 07:19 by kzed. Reason: Additional comment

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Re: Spark plug threads on cylinder head

22 May 2021 08:24
#848859
You gotta see this! This is fun work!

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    6433897947...048C.MOV

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Re: Spark plug threads on cylinder head

22 May 2021 08:28
#848860
<blockquote><cite>Nessism post=848856</cite><div>What type of insert did you use?<br /><br />Not to belabor a well beaten horse but those valve seats can be cleaned up to some extent through lapping.  And when reassembling the head be sure to use new valve stem seals and to properly set the valve clearances, ideally at the high end of the spec range.</div></blockquote><br />I used these inserts. See picture
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  • kzed
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Re: Spark plug threads on cylinder head

22 May 2021 11:03
#848865
wrote:
Err, shouldnt we be able to see the threads?

Yes it is threaded... lol. I have installed the insert yet as I’m still cleaning

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Re: Spark plug threads on cylinder head

22 May 2021 13:21
#848876
Ok cylinder head cover cleaned and just about to Move on to something else. Here’s a picture. I hope y’all give it a passing grade!

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Re: Spark plug threads on cylinder head

22 May 2021 14:16
#848878
Why does the chain tunnel gasket inprint surface so un-symmetrical/un-balanced?



 
My 1975 Z 1 B 900 Project

www.kzrider.com/forum/11-projects/605133...ears-deep-sleep-mode

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Re: Spark plug threads on cylinder head

22 May 2021 15:43
#848881
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Why does the chain tunnel gasket inprint surface so un-symmetrical/un-balanced?

I didn’t notice that. The bike was running before I took it apart. So I only hope for the best! Thanks for the heads up!

 

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