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TOPIC: Kawasaki ring compressor

Kawasaki ring compressor 01 Mar 2017 06:15 #755504

  • rrsmsw9999
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No doubt the tool is better, but I haven't had trouble with generous assembly lube and fingers to fit rings back in the cylinders. My hands are not to big or fat to reach though. I would not use a home made contraption. R
1980 KZ 1000E2
Crashed 6/2016

1980 KZ550A
Sold 3/2016
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Kawasaki ring compressor 04 Mar 2017 06:44 #755748

  • daveo
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Sorry for the late response to the question about my home-made plastic strip-backed hose clamp contraption.:blush:

1" wide x 1/16" thick LDPE soft plastic strips were used behind the hose clamps primarily to lock the rings in the FSM specified orientation to the pistons. With the clamps adjusted properly, the soft/slick plastic allows the cylinder sleeve edge to gently push the strip (and clamp) down the piston, releasing each ring within the cylinder as it passes in the exact-same position it was clamped...with assurance that no scratches were left behind on the piston.:)
Once the four clamped strips were properly placed on the pistons, the cylinder installation process was slickity-split fast...and precise.;)
1982 KZ1100A-2 (sort-of)
1135 since 10/25/19
January 2016 BOTM
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Kawasaki ring compressor 04 Mar 2017 06:48 #755749

  • JDRAKE4200
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Where did you get it? Do you have any you'd be willing to sell me? I am getting ready to put pistons in my cylinders and could really use some of this.
Keep the shiny side up!!!!

1976 KZ900 LTD
2004 Sportster 1200 Custom
1981 KZ550 LTD
1994 GSXR 750

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Kawasaki ring compressor 04 Mar 2017 07:00 #755752

  • daveo
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Came from a plastics supplier for a project. Had to buy a minimum quantity to get the stuff.

I'll send you a PM
1982 KZ1100A-2 (sort-of)
1135 since 10/25/19
January 2016 BOTM

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Kawasaki ring compressor 04 Mar 2017 07:10 #755755

  • JDRAKE4200
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Thank you
Keep the shiny side up!!!!

1976 KZ900 LTD
2004 Sportster 1200 Custom
1981 KZ550 LTD
1994 GSXR 750

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Kawasaki ring compressor 22 Jan 2019 20:03 #797337

  • OldRebel
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Do you have any idea what engine this part number 57001-531 fits?I bought it from an Ebay seller in Louisiana.Was supposed to fit KZ1000.It doesnt.Have no idea what it fits but it wont work on a Z1.

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Kawasaki ring compressor 22 Jan 2019 20:22 #797338

  • TexasKZ
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1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough

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Kawasaki ring compressor 23 Jan 2019 11:36 #797375

  • hardrockminer
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Z1 and KZ1000 are also different. I've been looking for a Z1 ring compressor for a few months with no success so far. I have one in my shop right now but it belongs to a buddy.
I have a couple of Z1B's restored, an '80 KZ1000LTD restored, a 1981 KZ550 restored and a 2008 KLR 650 for off road fun. My wife has a 2019 Suzuki DR 650 for on and off road.

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Kawasaki ring compressor 19 May 2019 12:23 #804180

  • Rick H.
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I have never seen one of these special ring compressor tools for the 900 or 1000 cc Kawasaki's. I assume the original "sandwiched" around all four pistons at once and was made of steel yes? If so, couldn't one of these tools be made of one piece of Delrin with the cylinder bores in the proper orientation and then split the Delrin into two pieces to clamp around the piston rings. I am just thinking outside the box here and may be someone has already tried this approach, but Delrin is pretty tough material and should last for quite a while. If anyone has one of these OEM tools and can post a couple of pictures of it I can pass it by a friend I have that's a machinist in a mold making facility. Delrin is really easy to fabricate things with.

Rick H.
Rick H.

1977 Kawasaki KZ-1000A1

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Kawasaki ring compressor 19 May 2019 13:02 #804183

  • 650ed
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OldRebel wrote: Do you have any idea what engine this part number 57001-531 fits?I bought it from an Ebay seller in Louisiana.Was supposed to fit KZ1000.It doesnt.Have no idea what it fits but it wont work on a Z1.


That is the part number for the KZ650 tool. Ed
1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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Kawasaki ring compressor 19 May 2019 13:03 #804184

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Rick H. wrote: ................. If anyone has one of these OEM tools and can post a couple of pictures of it I can pass it by a friend I have that's a machinist in a mold making facility. ...........
Rick H.


Here's what it looks like..............

1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)
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Kawasaki ring compressor 22 May 2019 11:43 #804368

  • KZB2 650
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Even If they are made for a 650 then a 781cc or a 810cc or a 831cc piston is not going to fit them either. Or a 1075cc piston with the 1,000cc model right ?

Glad Jay at Ape told me just to use my stubby little fingers.
1978 KZ650 b-2
700cc Wiseco kit 10 to 1.
1980 KZ750 cam, ape springs, stock clutch/ Barnett springs.
Vance and Hines Header w/ comp baffle and Ape pods, Dyna S and green coils, copper wires.
29MM smooth bores W/ 17.5 pilots, 0-6s and 117.5 main
16/42 gearing X ring chain and alum rear JT sprocket....

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