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TOPIC: Valve stem oil seal

Valve stem oil seal 13 Mar 2019 15:03 #800289

  • asjwalsh
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Has anyone used the Suzuki valve stem oil seal that Z1 parts say can be used on my 1976 KZ900? They are not OEM but are a fraction of the price...

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Valve stem oil seal 13 Mar 2019 15:05 #800290

  • gordone
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I have learn, use OEM when it comes to valve steam....

No point to gamble?
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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Valve stem oil seal 13 Mar 2019 16:17 #800294

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Viton valve stem oil seals are the best you can get fot Money.
Please use a "condom" for the install to prevent any damages of the sealing lip!!!




or made your own condom out of a 7 mm drink straw




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Valve stem oil seal 13 Mar 2019 16:24 #800295

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The sharp edges of the valve keeper groove can cut off the rubber sealing lip during the install.

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Valve stem oil seal 13 Mar 2019 22:57 #800317

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1. Viton
2. OEM
3. Nothing else?
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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Valve stem oil seal 14 Mar 2019 03:53 #800322

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Thanks guys :)

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Valve stem oil seal 14 Mar 2019 16:14 #800358

  • TexasKZ
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Those Suzuki seals are probably exactly the same as the Kawasaki seals. Manufacturers use outside vendors for such parts. When I recently rebuilt the brakes on my ZRX, I used Suzuki Hyabusa seals. They are exactly the same seals used by Kawasaki, made by the very same company, but fromSuzuki they are about 1/4 the price.
Never the less, Viton seals are better.
1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough

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Last edit: by TexasKZ.

Valve stem oil seal 14 Mar 2019 16:33 #800359

  • Nessism
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There is a member here that sells viton seals. I'll look around to see if I can find his name. Realize though, viton is a material, not a brand, and good or bad seals can be made from viton.

Edit: the member that sells the viton valve stem seals is here... www.kzrider.com/kunena/profile/18962-dfigpz

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Last edit: by Nessism.

Valve stem oil seal 15 Mar 2019 08:36 #800379

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When I had my head redone I went with Ape seals since they did the work......... at the time I didn't read much about whats better and might have went with the viton ones if I had done so but am not worried as the Ape seals are said to be proven to be top quality.
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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