Spark Plug Hole Thread Repair

  • daveo
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30 May 2022 12:32 - 30 May 2022 12:41 #867911 by daveo
Replied by daveo on topic Spark Plug Hole Thread Repair

Time Sert inserts are copper plated for the heat transfer.

Found a lightly used Time-Sert M14 x 1.25 tool kit on ebay...  

Just need four 44111-m14x1-25-x-660-16-8mm-washer-seat-spark-plug-inserts

Thanks y'all for the great input and suggestions!

[img

 
1982 KZ1100-A2
Last edit: 30 May 2022 12:41 by daveo.

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30 May 2022 13:05 #867912 by Mikaw
Replied by Mikaw on topic Spark Plug Hole Thread Repair
What’s the OD of the time-sent. I have a head I’m thinking of bringing back to life. One plug hole look like it was drilled our partially. 

 
1976 KZ 900 A4 kzrider.com/forum/11-projects/613548-1976-kz-900-a4
1976 KZ 900 B1 LTD
1978 KZ 1000 B2 LTD
1980 KZ 750 E1
Kowledge Speaks, But Wisdom Listens.
Jimi Hendrix.
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30 May 2022 13:12 - 30 May 2022 14:15 #867913 by daveo
Replied by daveo on topic Spark Plug Hole Thread Repair
Not sure. You may find information by contacting threaddoctor.com

www.threaddoctor.com/washer-seat-inserts...5-washer-seat-insert

...or possibly:

www.timesert.com/html/faq.html


A related read:

www.motorcyclecruiser.com/thread-repair-time-sert-vs-helicoil/
1982 KZ1100-A2
Last edit: 30 May 2022 14:15 by daveo.

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  • Scirocco
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30 May 2022 14:35 - 30 May 2022 14:57 #867916 by Scirocco
Replied by Scirocco on topic Spark Plug Hole Thread Repair
Here it comes the info.

media.wuerth.com/stmedia/wuerth/document...s/LANG_de/122295.pdf

 

   

 

This browser does not support PDFs. Please download the PDF to view it: Download PDF

My 1975 Z 1 B 900 Project

www.kzrider.com/forum/11-projects/605133...ears-deep-sleep-mode
Last edit: 30 May 2022 14:57 by Scirocco.
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30 May 2022 17:02 #867921 by Mikaw
Replied by Mikaw on topic Spark Plug Hole Thread Repair
Scirocco, thank you. 
1976 KZ 900 A4 kzrider.com/forum/11-projects/613548-1976-kz-900-a4
1976 KZ 900 B1 LTD
1978 KZ 1000 B2 LTD
1980 KZ 750 E1
Kowledge Speaks, But Wisdom Listens.
Jimi Hendrix.
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03 Jun 2022 19:56 - 03 Jun 2022 21:14 #868174 by daveo
Replied by daveo on topic Spark Plug Hole Thread Repair
Time-Sert



The way to go!

[img
1982 KZ1100-A2
Last edit: 03 Jun 2022 21:14 by daveo.
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03 Jun 2022 20:58 #868178 by SWest
Replied by SWest on topic Spark Plug Hole Thread Repair
Looks good. 
[img

Steve
Z1b1000 1975 Z1b
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229
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04 Jun 2022 05:30 - 04 Jun 2022 08:40 #868189 by daveo
Replied by daveo on topic Spark Plug Hole Thread Repair

Looks good. 
[img

Steve
The result turned out better than I expected.  And it was an easy project to do, thanks to the all-round simplicity of Time-Sert.


[img


Side note;  After the first ride I checked compression.  Readings noted were 165 160+ 165 165 

[img


The kit: 

[img
1982 KZ1100-A2
Last edit: 04 Jun 2022 08:40 by daveo.

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04 Jun 2022 09:20 #868199 by Mikaw
Replied by Mikaw on topic Spark Plug Hole Thread Repair
I’m curious, what’s the purpose and how does the stepped tap work.
1976 KZ 900 A4 kzrider.com/forum/11-projects/613548-1976-kz-900-a4
1976 KZ 900 B1 LTD
1978 KZ 1000 B2 LTD
1980 KZ 750 E1
Kowledge Speaks, But Wisdom Listens.
Jimi Hendrix.
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04 Jun 2022 09:22 #868201 by Nessism
Replied by Nessism on topic Spark Plug Hole Thread Repair
The stepped tap helps the tap start
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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04 Jun 2022 09:34 #868203 by SWest
Replied by SWest on topic Spark Plug Hole Thread Repair
It guides the tap onto the hole using the old threads so it will be straight and true when done. 
Steve
Z1b1000 1975 Z1b
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229
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04 Jun 2022 09:47 #868205 by Mikaw
Replied by Mikaw on topic Spark Plug Hole Thread Repair

The stepped tap helps the tap start
I don’t see a drill, am I assuming the tape is started in the stock 14mm threads and it opens up an cuts needed threads for the sert?
1976 KZ 900 A4 kzrider.com/forum/11-projects/613548-1976-kz-900-a4
1976 KZ 900 B1 LTD
1978 KZ 1000 B2 LTD
1980 KZ 750 E1
Kowledge Speaks, But Wisdom Listens.
Jimi Hendrix.
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