Another bad retainer... Bugsy Montana's cyl head thread. - Kawasaki ZX-10R.net
 
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post #1 of 7 Old 04-15-2013, 03:38 PM Thread Starter
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Another bad retainer... Bugsy Montana's cyl head thread.

Hey guys, well thought I'd share another bad valve spring retainer picture.

This was pulled from member's "BUGSY_MONTANA410" cylinder head that he had shipped me to do some epoxy porting on his head.

Today I was able to pull the cylinder head apart a little to get it ready for the porting process and I found Cyl #2's right intake valve spring retainer in pieces like the many times I have seen it happen before.

We are planning on upgrading to Ti retainers and better springs, along with race cams and porting to make a bit more power.

Some pics of the tear down and damage:

The bad retainer.
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Another head picture.
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All head parts in my ultrasonic cleaner for an hour and a half heated bath to come out sparkling clean.
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I'll keep this up to date as I work on the head as well

Enojy
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post #2 of 7 Old 04-15-2013, 03:41 PM
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Gen1?2?

2004 ZX10R-few mods here and there......
and even made more Evil by Woolich.
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post #3 of 7 Old 04-15-2013, 03:42 PM Thread Starter
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Gen1
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post #4 of 7 Old 04-15-2013, 06:53 PM
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how many miles on the head and was it a race bike or street ?
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post #5 of 7 Old 04-15-2013, 08:13 PM
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What's the best retainer to replace them. I have an 05 with 33k. Bout to do a valve adjustment and thinking about replacing mine be this happens.
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post #6 of 7 Old 04-15-2013, 08:18 PM
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Having just been through this exercise ...

The 2008-2010 ZX10R OEM Kawasaki retainers are a drop-in replacement and are a slightly different shape in order to fix this issue. and they're not very expensive, either. That's what I did to mine. (All of my stock retainers were in good shape - but this way, one less thing to worry about on an engine with 70,000 km on it.)

I thought about the Ti route, but I've heard a thing or two about the suitability/durability of Ti in this application, so I opted for the OEM fix for this issue.


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post #7 of 7 Old 04-15-2013, 09:07 PM Thread Starter
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Quote:
Originally Posted by toedragger24 View Post
What's the best retainer to replace them. I have an 05 with 33k. Bout to do a valve adjustment and thinking about replacing mine be this happens.


I agree with Go.... the 08+'s are a great upgrade if you cannot get titanium

I have used ti in a few builds and have had ZERO issues though
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