cylinder studs

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01 Dec 2020 11:32 #839266 by havakaw
cylinder studs was created by havakaw
So what is the best way to remove the cylinder studs? I want to change mine out as I believe they have stretched and wont keep the head tight correctly. Please don't say take the motor to a machine shop and let them do it. Thank you.

'80 KZ 750 LTD-H
'82 KZ 1100 A-2 Shafty (ex-bagger)

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01 Dec 2020 13:00 #839268 by DFIGPZ
Replied by DFIGPZ on topic cylinder studs
soak them
heat
stud remover [ be careful not to damage gasket surface ]

1984 750 Turbo

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01 Dec 2020 13:04 #839269 by zed1015
Replied by zed1015 on topic cylinder studs
No eBay APP ID and/or Cert ID defined in Kunena configurationYou need a stud extractor tool that will grip the stud as close to the bottom near the case as possible
This design is best.
.

AIR CORRECTOR JETS FOR VM CARBS AND ETHANOL RESISTANT VITON CHOKE PLUNGER SEAL REPLACMENT FOR ALL CLASSIC AND MODERN MOTORCYCLE CARBURETTORS
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02 Dec 2020 05:55 #839294 by gordone
Replied by gordone on topic cylinder studs
Using a tool like these at the bottom of the stud right over the gasket surface ?


1981 KZ650-D4, with 1981 z750L engine (Wiensco 810 big bore).

Project:
www.kzrider.com/forum/11-projects/607213...sr-1981-z750l-engine
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02 Dec 2020 06:27 #839295 by Nessism
Replied by Nessism on topic cylinder studs
No eBay APP ID and/or Cert ID defined in Kunena configuration

zed1015 wrote: You need a stud extractor tool that will grip the stud as close to the bottom near the case as possible
This design is best.
.


I bought a Chinese cheapy version like this and it worked. The serrated teeth bit into the stud and made deep gouges. No big deal if you plan to replace the studs but not ideal if reusing. When the studs get corroded in place I'm not aware of any non intrusive way to remove them.

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02 Dec 2020 07:20 #839297 by Street Fighter LTD
Replied by Street Fighter LTD on topic cylinder studs
I would get a tool like ZED shows above .
I paid the long dollar years ago for mine from KZZONE ( APE ) But well worth it for getting stubborn studs out.
Studs are junk after removal , but it forces you to replace them , which is a good idea anyway at that point of a total rebuild.
Head nuts need to be replaced periodically, ( Not every time ) as they wear out too especially if using Heavy duty studs with higher torque values.
Dave


Original owner 78 1000 LTD
Mr Turbo Race Kit, MTC 1075 Turbo pistons by PitStop Performance , Falicon Ultra Lite Super Crank, APE everything. Les Holt @ PDM's Billet Goodies . Frame by Chuck Kurzawa @ Logghe Chassis . Deep sump 5qt oil pan. RIP Bill Hahn

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02 Dec 2020 11:33 #839312 by Mikaw
Replied by Mikaw on topic cylinder studs
I used a tool like Zed1015 posted. It didn’t gawl up the studs to bad. I found a used old school craftsman. Soaked the studs with liquid wrench for about 10 days while I waited for the tool to arrive. Twice a day I struck the tops of the studs to shock them to help break the bond. All came out clean. Make sure to grip the stud just above the case.

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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