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Author Topic: KZ400 oil leak - clutch push rod oil seal  (Read 516 times)

Offline saviola8

  • Posts: 2
KZ400 oil leak - clutch push rod oil seal
« on: Dec 25, 2017, 20:51:48 »
Hello guys!

My bike is leaking oil from the clutch push bar oil seal.
I am not sure if this is the original oil seal or if something that the previous owner put to solve the problem.
I am buying the original oil seal but before I take the bike to a mechanic I need to know if is necesary to open the engine or not to make the change.
If not, do you thing I can do it by myself?

Sorry for my english, I am from Argentina.

Best
Esteban

Offline Nebr_Rex

  • DTT SUPPORTER
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  • Posts: 888
Re: KZ400 oil leak - clutch push rod oil seal
« Reply #1 on: Dec 25, 2017, 22:17:05 »
The cases will have to be split to replace the seal.
As far as I know that seal is no longer available from the dealer.
I have seen a valve stem seal used. The valve seal for this engine
[and most other Kawasakis of this era] is 7mm. The same size
as the clutch push rod. It is attached to the old seal to prevent
leakage around the push rod.


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Offline saviola8

  • Posts: 2
Re: KZ400 oil leak - clutch push rod oil seal
« Reply #2 on: Dec 26, 2017, 14:45:09 »
The cases will have to be split to replace the seal.
As far as I know that seal is no longer available from the dealer.
I have seen a valve stem seal used. The valve seal for this engine
[and most other Kawasakis of this era] is 7mm. The same size
as the clutch push rod. It is attached to the old seal to prevent
leakage around the push rod.


.

I look for the oil seal on ebay and there are plenty of choices to get one. It is like 100$

So. You are saying that I have to open the engine to replace it?  :-\

Offline Nebr_Rex

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  • Posts: 888
Re: KZ400 oil leak - clutch push rod oil seal
« Reply #3 on: Dec 26, 2017, 20:19:24 »
$100 because there are no more.
Yes the cases have to be split.


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