Front master cylinder - 1980 1000 LTD B4

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Front master cylinder - 1980 1000 LTD B4

02 Mar 2026 05:48 - 03 Mar 2026 05:42
#921843
Is the plastic portion of this master cylinder removable for painting and/or powder coating?

 
1980 LTD 1000
Last edit: 03 Mar 2026 05:42 by KZQ.

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Re: Front master cylinder - 1980 1000 LTD B4

02 Mar 2026 06:27
#921849
Yes, it's removable. Have handy a nice #2 JIS phillips bit or screwdriver for removing the two screws at the bottom of reservoir. You want to properly remove them!! They are a bear to remove if you bugger-up the threads. What appears as a trapezoidal plastic bit visually it's actually round underneath and uses an o-ring for sealing. Might want to solid mount the master to something and use an impact driver to remove those 2 screws. Square and sharply without letting the #2 bit wander. They can be a bear to remove, just saying..  
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Re: Front master cylinder - 1980 1000 LTD B4

02 Mar 2026 06:37
#921852
asphalt900 wrote:
Yes, it's removable. Have handy a nice #2 JIS phillips bit or screwdriver for removing the two screws at the bottom of reservoir. You want to properly remove them!! They are a bear to remove if you bugger-up the threads. What appears as a trapezoidal plastic bit visually it's actually round underneath and uses an o-ring for sealing. Might want to solid mount the master to something and use an impact driver to remove those 2 screws. Square and sharply without letting the #2 bit wander. They can be a bear to remove, just saying..  
If only people would change their brake fluid and the correct intervals they would not have these challenges with internal corrosion !!
1982 KZ1000 Ltd
www.kzrider.com/forum/11-projects/617631...-82-begins?start=192
kzrider.com/filebase-alias?view=download...d-fault-diagnosis&ca
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Re: Front master cylinder - 1980 1000 LTD B4

02 Mar 2026 11:02
#921868
Good Luck finding those folks Wookie, ha.
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Re: Front master cylinder - 1980 1000 LTD B4

02 Mar 2026 12:32
#921874
asphalt900 wrote:
Good Luck finding those folks Wookie, ha.
Ain't that the truth, when I worked in car dealer networks we pushed it every two years but I have no doubt that once those cars where of an age where they didn't come to dealerships for servicing it probably stopped. Same with people who do their own maintenance. I guess a lot of folks think it's just a money spinner and don't understand the "why" 
[img
1982 KZ1000 Ltd
www.kzrider.com/forum/11-projects/617631...-82-begins?start=192
kzrider.com/filebase-alias?view=download...d-fault-diagnosis&ca
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Re: Front master cylinder - 1980 1000 LTD B4

03 Mar 2026 15:49
#921914
You were right about the o-ring, but the body is not round.  Life sort of got in the way and the motorcycle just wasn't a priority for the last 15 years, but now that I'm an empty nester I need something to spend my time on to stay out of trouble.  Hopefully it gets the love it deserves.

 
1980 LTD 1000

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Re: Front master cylinder - 1980 1000 LTD B4

03 Mar 2026 16:16
#921915
What am I looking at here.  Does that plastic part need to be removed / pulled out in order to get the plunger out?  It almost looks like the outside boot cover is tucked underneath everything because I had to tear it out and there is still pieces of it left.

1980 LTD 1000

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Re: Front master cylinder - 1980 1000 LTD B4

03 Mar 2026 17:47
#921918
posting photos for others in case they have the same need.  There are plastic clips/tabs

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at the top and you can carefully pull them towards the center. Then you can pull the part out.  Evidently this is what holds the plunger in (instead of a circlip of sorts).  I also found a parts diagram for it.

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1980 LTD 1000

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