1976 Kz 900 A4

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29 Sep 2020 20:53 #835892 by krazee1
Replied by krazee1 on topic 1976 Kz 900 A4
In this case I would prefer the "old school" stud remover. You have the advantage of being able to engage the stud down close to the bottom and turn it with an extension and ratchet handle. I just upgraded the studs on my motor this spring and the originals came out with no issues using the Snap-On tool pictured.

Mike

Former M.E. at Kawasaki Motors Manufacturing, Lincoln, NE
1966 W1 (the Z1 of 1966-50H.P. and 100mph!)
1974 Z1
1978 KZ1000 LTD
1976 KZ900B pile O parts
1980 KZ750E
1980 Honda XL250S (I know, wrong flavor!)
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30 Sep 2020 04:13 #835896 by asphalt900
Replied by asphalt900 on topic 1976 Kz 900 A4
Mikaw that "New Version" is mighty handy but won't work/suggested on this application of removal. These have a reduced shaft with the threaded ends being bigger. The size of stud socket required to pinch smooth section won't go over threads, note photo. I always use "Old Version" down low to engine case. The new version should work on assembly of HD studs because they are not reduced shaft. You Will leave a burr on the stud with the old version, i belt sand the burr out before i have them replated.
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30 Sep 2020 12:57 #835925 by Mikaw
Replied by Mikaw on topic 1976 Kz 900 A4
Guys dang it ya beat me to the joke. I picked up the new version last night and it was very satisfying to tell my son this is time Old school prevails. As you both have mentioned the new style is designed for a stud or bolt to be a consistent diameter. They will slide all the way to the bottom of the stud at the case but to be large enough to pass the threads the are then to large to tighten at the reduced area. The one that fits the reduced diameter won’t open enough to pass over the threads. APE sells an old school version I’ll add to the stud purchase and call it done. Theirs is about $35. Seams reasonable.

I love it when dad can say “yep your new stuff is nice but this time old school rules”

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 Sep 2020 14:02 #835930 by SWest
Replied by SWest on topic 1976 Kz 900 A4
I put up pics of the pistons in my swing arm thread.
Steve
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30 Sep 2020 14:31 - 30 Sep 2020 14:33 #835931 by Mikaw
Replied by Mikaw on topic 1976 Kz 900 A4
Thank you Steve, to help keep you post on topic I’ll post mine here. Pistons 1,2,3 look like this.







#4 is the alleged damaged piston




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.
Last edit: 30 Sep 2020 14:33 by Mikaw.

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30 Sep 2020 14:35 #835933 by Mikaw
Replied by Mikaw on topic 1976 Kz 900 A4
Markings on the pistons.






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 Sep 2020 15:54 #835940 by SWest
Replied by SWest on topic 1976 Kz 900 A4
Thanks. As long as the circlip isn't effected I don't think it's a problem.

These are the pics I posted in mine.

I'll delete my last comment in my thread.
Steve
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30 Sep 2020 16:25 #835941 by SWest
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01 Oct 2020 16:35 #836001 by Rick H.
Replied by Rick H. on topic 1976 Kz 900 A4
Just clean 'em up a little bit and run 'em!

Rick H.

Rick H.

1977 Kawasaki KZ-1000A1
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02 Oct 2020 10:27 #836028 by Mikaw
Replied by Mikaw on topic 1976 Kz 900 A4
I just spoke with Wiseco. Tom, gave me specs for the piston. If I mic it out and determine its the piston we think it is (older P series)Tom says I could buy one new current piston 4020MO7000 and run it with the other 3 older P series. If anyone needs the measurements pm and I’ll reply.

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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02 Oct 2020 10:41 #836032 by SWest
Replied by SWest on topic 1976 Kz 900 A4
The new ones are a lot lighter than the old style. I didn't do it for that reason.
Steve

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02 Oct 2020 10:42 #836033 by Mikaw
Replied by Mikaw on topic 1976 Kz 900 A4
Didn’t consider weight. Thanks

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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