Which way to press stem out?

  • spdygon
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Which way to press stem out?

19 Feb 2016 14:54
#711495
Which way to press a zrx stem out? And is it just a matter of pressing out or is there other thing I need to do?
Press from bottom out or top(long end) down?



1982 GS1000sz Katana ( #15...17K Miles)
1982 GS1000sz Katana ( # 297....7100k Miles)
1978 Kz1000 Z1R. 10K Miles1
1978 kz1000 z1r 27k miles
1977 KZ 1000 A ( Project ) 54K Miles
1976 Kz900A4 (Red)21K miles
1976 Kz900A4 ( Red)7500 miles
1974 Z1 900 project

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  • Tyrell Corp
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Re: Which way to press stem out?

19 Feb 2016 15:03
#711500
Grind ring of weld off the bottom, when pressing new yoke in this needs to very precise.

I did this on my zx750 front end- grafted onto an 81 gpz550. Works just great..20 years later.
1980 Gpz550 D1, 1981 GPz550 D1. 1982 GPz750R1. 1983 z1000R R2. all four aces

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Re: Which way to press stem out?

19 Feb 2016 15:12
#711502
I already have the Kz stem out.
I need to press the zrx stem out. The triple tree is aluminum it not welded.
1982 GS1000sz Katana ( #15...17K Miles)
1982 GS1000sz Katana ( # 297....7100k Miles)
1978 Kz1000 Z1R. 10K Miles1
1978 kz1000 z1r 27k miles
1977 KZ 1000 A ( Project ) 54K Miles
1976 Kz900A4 (Red)21K miles
1976 Kz900A4 ( Red)7500 miles
1974 Z1 900 project

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  • TexasKZ
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Re: Which way to press stem out?

19 Feb 2016 15:27
#711510
Naked Fun has done this. The stem pushes out the log way as in your second pic. Be VERY careful. It is had to remove and easy to bend. Here is an excerpt from a ZRXOA thread---

The stock ZRX stem is very easy to bend when removing it from the stock lower. I would try to buy the lower and stem still intact so you can relieve the pressure on the stem by cutting the lower, making the stem easier to press out.

I ruined mine, and then bought one for $100 on eBay and sent it to Stites to remove for me using his end mill to relieve the lower clamp.

Still no guarantees as you have to release him from liability if it bends when he takes it out.

I have a bent stem sitting in my shop as a reminder of how hard it was to get out. I wish I knew all this before I did my conversion.
1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough

www.kzrider.com/11-projects/620336-anoth...uild-thread?start=24

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  • SWest
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Re: Which way to press stem out?

19 Feb 2016 15:29 - 19 Feb 2016 15:31
#711511
Can you heat it up and press it out from the bottom? It might have a slight taper.
Steve

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Last edit: 19 Feb 2016 15:31 by SWest.

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  • spdygon
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Re: Which way to press stem out?

19 Feb 2016 15:59 - 19 Feb 2016 15:59
#711524
I want to swap my kz stem into the zrx lower tree.
1982 GS1000sz Katana ( #15...17K Miles)
1982 GS1000sz Katana ( # 297....7100k Miles)
1978 Kz1000 Z1R. 10K Miles1
1978 kz1000 z1r 27k miles
1977 KZ 1000 A ( Project ) 54K Miles
1976 Kz900A4 (Red)21K miles
1976 Kz900A4 ( Red)7500 miles
1974 Z1 900 project
Last edit: 19 Feb 2016 15:59 by spdygon.

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  • TexasKZ
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Re: Which way to press stem out?

19 Feb 2016 16:06
#711528
You might pm Na kedfun, or search for his build thread.
1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough

www.kzrider.com/11-projects/620336-anoth...uild-thread?start=24

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Re: Which way to press stem out?

19 Feb 2016 16:09
#711529
just search his name ...name not found
1982 GS1000sz Katana ( #15...17K Miles)
1982 GS1000sz Katana ( # 297....7100k Miles)
1978 Kz1000 Z1R. 10K Miles1
1978 kz1000 z1r 27k miles
1977 KZ 1000 A ( Project ) 54K Miles
1976 Kz900A4 (Red)21K miles
1976 Kz900A4 ( Red)7500 miles
1974 Z1 900 project

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Re: Which way to press stem out?

19 Feb 2016 16:21
#711532
1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough

www.kzrider.com/11-projects/620336-anoth...uild-thread?start=24

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Re: Which way to press stem out?

19 Feb 2016 17:33
#711543
great....copy the design on the arm bushing
thx
1982 GS1000sz Katana ( #15...17K Miles)
1982 GS1000sz Katana ( # 297....7100k Miles)
1978 Kz1000 Z1R. 10K Miles1
1978 kz1000 z1r 27k miles
1977 KZ 1000 A ( Project ) 54K Miles
1976 Kz900A4 (Red)21K miles
1976 Kz900A4 ( Red)7500 miles
1974 Z1 900 project

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  • NakedFun
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Re: Which way to press stem out?

20 Feb 2016 07:47
#711617
If you have any questions, let me know. Also I found out after going through the hassle of swapping the stem that you CAN use the stock ZRX stem by using the conversion bearings from all balls. The ZRX stem is around 25mm OD for the bearings and the KZ is like 28mm OD. So use their site and pic up the conversion bearings. Much simpler.

Cory
2008 Kawasaki Concours 14
1999 Kawasaki ZRX1100
1976 Kawasaki KZ900
The following user(s) said Thank You: bluezbike

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Re: Which way to press stem out?

20 Feb 2016 07:57
#711621
Here is the build thread I remembered,. What Cory just posted is the advantage of experience. Just swapping the bearings will save you a bunch of time and possibly expense that you can now apply to some other part of the project.

www.kzrider.com/forum/11-projects/539557...kz900-zrx1200r-build
1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough

www.kzrider.com/11-projects/620336-anoth...uild-thread?start=24

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