Front MC disassembly?
- calvin17d
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Front MC disassembly?
24 Mar 2011 17:19
is their any information on how to disassemble the front Master Cylinder. I cant seem to get the plunger to back out?
1976 Kz900 A4
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- wireman
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Re: Front MC disassembly?
24 Mar 2011 17:38
did you remove the plastic sleeve/retainer?
posting from deep under a non-descript barn in an undisclosed location southwest of Omaha.
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- calvin17d
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Re: Front MC disassembly?
24 Mar 2011 17:47
I am mostly concerned with getting at the rod. I did not remove the rubber shroud at the plunger. I assume there is a circlip behind this. I was having difficulty pulling this off and wanted to preserve shroud if possible.
1976 Kz900 A4
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- Patton
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Re: Front MC disassembly?
24 Mar 2011 19:11calvin17d wrote: is their any information on how to disassemble the front Master Cylinder. I cant seem to get the plunger to back out?
The piston is held inside the bore with a circlip. And the circlip must be removed before the piston will come out. The circlip is typically encrusted in position and difficult to remove, and usually destroyed during removal. Long tipped circlip pliers are needed to reach way down in there to grab onto the circlip. Kawasaki made a special tool (circlip pliers) to remove and replace the circlip.
Click > www.z1enterprises.com/detail.aspx?ID=2868
The replacement pistons for this model all come with the secondary cup (middle cup) already in place on the piston (as shown in the parts diagram on kawasaki.com), at least those I've seen.
Am therefore unsure whether you have the correct kit.
Z1E has the correct kit.
Click > www.z1enterprises.com/detail.aspx?ID=34
Click > www.z1enterprises.com/detail.aspx?ID=4269
Lots of good info on kawasaki.com, including parts diagrams, part numbers, models sharing same part, availability, etc.
Here's a link for help with navigating the site and finding information.
Click > kzrider.com/index.php?option=com_kunena&...w&catid=13&id=376734
Good Fortune!

1973 Z1
KZ900 LTD
KZ900 LTD
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- calvin17d
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Re: Front MC disassembly?
03 Apr 2011 03:05
Great information, just was I was looking for.
1976 Kz900 A4
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- calvin17d
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Re: Front MC disassembly?
12 Apr 2011 23:35
After removing the lever and rubber boot, it is clear that my MC qualifies as the encrusted version. It has been soaking in PB blaster for a couple days. Wondering how I can get this thing out. One of the circlip ears is cemented over with rust?
1976 Kz900 A4
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- Patton
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Re: Front MC disassembly?
12 Apr 2011 23:46calvin17d wrote: After removing the lever and rubber boot, it is clear that my MC qualifies as the encrusted version. It has been soaking in PB blaster for a couple days. Wondering how I can get this thing out. One of the circlip ears is cemented over with rust?
Could try digging it out with an ice pick.
Would wear eye protection and be careful not to damage the groove where the circlip fits.
Good Fortune!

1973 Z1
KZ900 LTD
KZ900 LTD
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- calvin17d
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Re: Front MC disassembly?
26 Apr 2011 22:43
Exactly Right! A 1.69 for an ice pick at Walmart and the circlip came right out. Thanks for the idea. Im always looking for cheap alternatives.
1976 Kz900 A4
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