Replacing cylinder head studs to APE studs

  • SWest
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  • 10 22 2014
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23 Jun 2018 05:31 #785704 by SWest

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23 Jun 2018 06:47 - 23 Jun 2018 06:47 #785709 by zed1015
Replied by zed1015 on topic Replacing cylinder head studs to APE studs
A 6mm ball bearing under a spare head nut does the trick, just have to be careful not to drop it in the cases.

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Last edit: 23 Jun 2018 06:47 by zed1015.
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  • SWest
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23 Jun 2018 06:51 #785712 by SWest

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  • CoreyClough
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23 Jun 2018 08:22 - 23 Jun 2018 08:28 #785718 by CoreyClough
Replied by CoreyClough on topic Replacing cylinder head studs to APE studs
Is it just me, or has anyone else had good results but tightening the stud ever-so-slightly, before trying to loosen it? I did use that tool from APE, pictured above, to remove the original studs with ease.
ape-store.com/shopsite/page20.html

APE made a run of GPz550 Studs about 8 years ago, and I bought 2 sets. Because the GPz550 is lower on the food chain, LOL, I am using the stock nuts, with great success. Looks like they are still making them for the GPz550 today. B)

'85 GPz550(ZX550-A2)

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GPz550.com --> www.nwsca.com/scripts/gpz_forum_2005/default.asp
First Race Win GPz550 --> tinyurl.com/o5y3ftp
Last edit: 23 Jun 2018 08:28 by CoreyClough.
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23 Jun 2018 15:44 #785759 by baldy110
Replied by baldy110 on topic Replacing cylinder head studs to APE studs
Made my own , took a spare head nut drilled and tapped a 6x1.00 hole down the center then screwed in a 6x1.00 mm screw. Put nut on the stud then screw the smaller screw down locking the nut on the stud. When done loosen the locking screw and remove the nut.
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