Front fork special tool

  • Ojisan rider
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Front fork special tool

17 Jan 2019 11:52
#796949
Aloha guys.

It's been while to post anything here as I'm currently working on my other bike (89' ZX-7), but slowly collecting and working on small stuff on my GPz/KZ as well.

Now, just the other day, I was cleaning up my current stock of parts and came across some left over fork oil for my ZX-7. That got me to look at my KZ front fork and draw up some parts list that I need. Anyway, long story short, even if I decided to rebuild my front fork, I know I need to rebuild it because it sat for over 20 years or so and the seal are pretty much gone at this point.

So I know to disassemble these forks, I need special tools ( I believe the part # are 57001-183 and 57001-1011) according to Kawasaki manual. Now, I know these are long gone, so what do you guys use to disassemble the front fork when it need servicing? Sometimes, I know you can get away without using special tools when replacing seals only, but I want to check the condition of the internal because it sat for so long.

I can't remember how I did it 20-some years ago, and even if I decided to get a forks from evilbay, I still need/want to rebuild them anyway...........
82' KZ750-R1 cafe racer style. Clip-on, Rear set, Fork-Brace, Mikuni Flat-slide (forgot the size), Kerker.
84' GPz750 (basket case). everything are in pieces.
89' ZX750-H1 (ZX-7 Ninja). Resurrection project are on going with my KZ750. Everything is stock.

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  • 650ed
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Re: Front fork special tool

17 Jan 2019 12:00 - 17 Jan 2019 12:03
#796953
You will need to see whether your bike's fork cylinders have a hex depression or a round hole in their top end. If they have a round hole like the ones on my 1977 KZ650-C1 you may want to make a tool like the one I made (below). Another option if the fork cylinders have round holes is the "Damping Rod Holding Tool" at www.racetech.com/page/id/70 Ed

1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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Last edit: 17 Jan 2019 12:03 by 650ed.

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  • hardrockminer
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Re: Front fork special tool

17 Jan 2019 20:32
#796993
I've done a couple of sets of forks. I use an impact on the hex bolt in the bottom of the fork. When putting it back together I put a broomstick down the fork tube and press it to hold the end of the damper from turning while I retighten the hex bolt.
I have several restored bikes along with a 2006 Goldwing with a sidecar. My wife has a 2019 Suzuki DR 650 for on and off road.

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  • ayeckley
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Re: Front fork special tool

17 Jan 2019 20:40
#796994
Ojisan rider wrote: I know these are long gone...

Actually I just bought (and have received) 57001-1011 from Partzilla last week.
1976 KZ900A4
1976 KZ900A4
1978 KZ1000A2
1983 ZX750 A1 aka GPz 750
1983 ZX750 A1
1973 CL350K4
1984 ZX1100 A2 aka GPz1100
1969 CT90
2006 Burgman 400

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  • SWest
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Re: Front fork special tool

17 Jan 2019 20:46
#796995
While still assembled try hitting the end of your ratchet with a rubber mallet. Most of the time the bolt will loosen, Tighten the same way.
Steve

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  • Kidkawie
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Re: Front fork special tool

18 Jan 2019 01:56
#796999
If you use an impact on the damper rod bolt, usually you can just looslty assemble the fork, collapse a bit to put spring pressure on the damper and then tighten the bolt. The spring keeps it from turning.
1975 Z1 900
1994 KX250 Supermoto
2004 KX125

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  • martin_csr
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Re: Front fork special tool

18 Jan 2019 05:55 - 18 Jan 2019 06:05
#797010
Are you doing the 750-R1 forks? just wondering. Here's a recent topic with pics that shows a couple of homemade fork tools. I don't know if your damper rods are the same. I'd guess yes, but that is just a guess. I use the left-hand reverse threaded bolt-nuts fitted to a 19mm socket & ratchet extensions.

KZRider >> Forks KZ750H

...
Last edit: 18 Jan 2019 06:05 by martin_csr.

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  • Ojisan rider
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Re: Front fork special tool

19 Jan 2019 14:09
#797103
650ed wrote: You will need to see whether your bike's fork cylinders have a hex depression or a round hole in their top end. If they have a round hole like the ones on my 1977 KZ650-C1 you may want to make a tool like the one I made (below). Another option if the fork cylinders have round holes is the "Damping Rod Holding Tool" at www.racetech.com/page/id/70 Ed


Thanks Ed. I believe mine is square ones. I know I did it loooooooooooong time ago, but forgot how I did it. Yeah, I made some home-made tool to get it off. Don't you hate getting old? I still can learn some new stuff, but as soon as I learn something new, several old ones gets deleted from my real old hard-drive (aka brain).
82' KZ750-R1 cafe racer style. Clip-on, Rear set, Fork-Brace, Mikuni Flat-slide (forgot the size), Kerker.
84' GPz750 (basket case). everything are in pieces.
89' ZX750-H1 (ZX-7 Ninja). Resurrection project are on going with my KZ750. Everything is stock.

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