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GPz 750 ut A2 Anti Dive upper plunger unit 22 Mar 2020 13:51 #821421

  • Scirocco
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DonĀ“t use any silicon or minaral oil on brake parts (can destroy rubber parts and seals), use some Special assambling grease for inner break parts.


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GPz 750 ut A2 Anti Dive upper plunger unit 22 Mar 2020 20:06 #821470

  • TexasKZ
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Yes,some high quality caliper grease would probably be best.

Thanks for keeping us up to date on your progress. I hope the rest ride goes well.
1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough

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GPz 750 ut A2 Anti Dive upper plunger unit 23 Mar 2020 00:17 #821480

  • kawural
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Good point folks on the grease! In fact I found one in my workshop from last caliper repair...

Cheers

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GPz 750 ut A2 Anti Dive upper plunger unit 24 Mar 2020 07:24 #821573

  • martin_csr
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Red Rubber grease is included with some brake rebuild kits. I'm not sure if that's a brand name or a generic designation. Castrol makes the product I've seen, but I've never used it. Someone from the UK on another forum recommended it.

RedRubberGrease.com

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GPz 750 ut A2 Anti Dive upper plunger unit 31 Mar 2020 08:44 #822278

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as announced I took her out for a test ride last WE with new fork oil, new tyres and overhauled anti dive.

What shall I say, was very please with her behaviour on the street: fork acts smooth ( for the year), the scary wobbling has gone, anti dive works pretty well.

Came home with a smile on my face ...

UNTIL a looked down on the fork: ANTI DIVE's LEAKING!!! What a mega shit!
Not much, only a drop but of course cant leave it leaking like this.

I suspect the O-rings being the root cause although had renewed them using the ones from the GPZzone kit.
I now ordered NOS rings from KAWA.
So heavy work ahead again for next week end starting over the whole exercise ( lucky I have to stay home on account of COVID 19 anyway).

This time I am planning on lubricating the O-rings with a sealant very lightly ( we call it Dirko-S here).

Anyone having some experiences using sealant to drain off O-rings ?

Cheers

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GPz 750 ut A2 Anti Dive upper plunger unit 31 Mar 2020 09:59 #822282

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If lubricating the O-rings with a sealant very lightly = Hylomar M

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GPz 750 ut A2 Anti Dive upper plunger unit 14 Apr 2020 07:59 #823325

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Just a quick update:
I finally managed to stop the leaking and got the anti dive units dense.
NOS O-Rings and Hylomar-M sealant (thx Scirocco!) seems to have made the trick.

Cheers
The following user(s) said Thank You: martin_csr

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