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swingarm pivot sleeve 23 Sep 2017 09:50 #771511

  • turboguzzi
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Guess wear of the swinagarm pivot sleeve is a common issues and so is the fact that for many older models (like my 1980 750E) these are no longer available.

has anyone came up wit a source for these hardened sleeves? mine is 16mm ID X 22mm OD x 226mm long (though shouldnt be an issue to grind down to length a longer one)

tnxs in advance for any info

TG

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Last edit: by turboguzzi.

swingarm pivot sleeve 23 Sep 2017 22:03 #771554

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turboguzzi wrote: Guess wear of the swinagarm pivot sleeve is a common issues and so is the fact that for many older models (like my 1980 750E) these are no longer available.


So I'm assuming you already know that the part number is 42036-1012, and the same part was used on all KZ650 and KZ750-4 dual-shock models starting in 1978?

It's really lame that these are no longer available.

So here is the best I could come up with. The needle bearings in the swingarm are the same part for both the KZ650, KZ750-4 and KZ1000 starting in 1978. I think the pivot shaft length is also the same between these bikes. On the other hand, it looks like the pivot bolt is different between the KZ650/750 and the KZ1000. So my guess is that the KZ1000 shaft has a larger ID, but maybe you can make this work?

www.z1enterprises.com/swingarm-bearing-kit-z1-kz900.html

Alternately, it looks like the same needle bearing P/N was used up until the mid-90s on smaller bikes. See the list here:

www.partzilla.com/parts/detail/kawasaki/KP-92046-1115.html

So maybe one of those has a similar ID and OD, but a different length and could be adapted. But I have no idea how you might find out the length for each model. And many of those have pivot shafts that are now obsolete.

I also couldn't find anything for the 650 or 750 on japan.webike.net, but I may have missed it. But here are two sets for the Z1.
japan.webike.net/products/1356150.html
japan.webike.net/products/22888137.html

If you do have to make your own, you could follow the 3-piece example where they use a simple spacer in the center and two smaller bearing sleeves. Then at least you'd be making and hardening a smaller part. Or if you found a shaft from another model that had the correct OD and ID, but the wrong length, you could chop that up and go the 3-piece route.
'78 Z1-R in blue , '78 Z1-R in black, '78 Z1-R in pieces
My dad's '74 Z1
'00 ZRX1100

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swingarm pivot sleeve 23 Sep 2017 22:23 #771555

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Are you sure that the ID is 16mm? Looking for needle bearing inner sleeves, I see a lot of 17 ID x 22 OD, but not any in 16mm ID.

Any chance it's english? Seems unlikely, but 5/8" ID and 7/8" OD would be 15.875 x 22.225 mm.

www.astbearings.com/catalog.html?page=product&id=IR17X22X23
simplybearings.co.uk/shop/Bearings-Needl.../c3_29_35/index.html
www.skf.com/us/products/bearings-units-h...2X23&unit=metricUnit
'78 Z1-R in blue , '78 Z1-R in black, '78 Z1-R in pieces
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swingarm pivot sleeve 23 Sep 2017 23:28 #771559

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tnxs for the info dohc, and yes i am aware of all the different options form other models,

was hoping that someone could confirm the 16 ID x 22 OD from another bike.

dont have a 1000, so have no idea if the ID those kits is 16 or 17.

my 750E was made in japan AFAIK, so dont think there are any english measures there :) sleeve is positively 16 X 22 :)

odd but true and indeed its a bit of a bastard to find!

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swingarm pivot sleeve 24 Sep 2017 09:26 #771578

  • les holt
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The KZ1000 and the Z1900 take a similar 16mm I.D X 22mm O.D. The KZ1000 is longer than the 750 but they are also unavailable. Building arms all the time I've opted to design around the Z1900 replacement kits, www.z1enterprises.com/swingarm-bearing-kit-z1-kz900.html The sleeve is longer and could be used but would have to be cut down.
Now, I have been looking into alternatives but I can't find a combination that I think would be a good fix. I use this company, metric-steel.spahrmetric.com/viewitems/c.../metric-round-tubing I buy tubing for making parts with heavier wall thicknesses that don't require them to be chrome moly. They carry a 16mm id. X 22mm od. but it's just a mild steel, not going to hold up at all! For the time being, I'd say keep an eye out for a suitable replacement, have it welded up and reground or have a new one made, none of which would I consider an easy solution.

Les Holt

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swingarm pivot sleeve 25 Sep 2017 02:34 #771621

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hi les

tnxs for the info. saw the z1 kits, had no idea of the 900-1000 were 16 X 22, good to know they are....

might go that route even if a bit epxensive at +100$.

parts catalog gives me that the more modern zr-7 has a 230mm sleeve that costs under 50$, need to find out if its 16 X 22 too...

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swingarm pivot sleeve 25 Sep 2017 12:25 #771664

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mmm.... looks like i found a stock part that's readily available :)

but to confirm it works am ordering it, will update soon.

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swingarm pivot sleeve 09 Nov 2021 16:22 #857736

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mmm.... looks like i found a stock part that's readily available :)

but to confirm it works am ordering it, will update soon

So, how did it work out?

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swingarm pivot sleeve 09 Nov 2021 16:53 #857741

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Welcome to KZRider 
 You may not get a response on a 4 year old thread
Did you have a specific question about swingarms ?
You might have to start your own thread
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
The following user(s) said Thank You: Nessism

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swingarm pivot sleeve 11 Nov 2021 06:31 #857789

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Sounds like he's wondering if the ZR7 sleeve worked out.  But Partzilla lists the length as 219.5mm, so it seems like it would be too short. not sure what catalogue turboguzzi used for the 230mm ZR7 number.

2005 ZR-7S. note: the earlier ZR7 models are the same.
www.partzilla.com/catalog/kawasaki/motor...ly-zr750-h5/swingarm

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Last edit: by martin_csr.
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