Z1KZP swing arm swap
- SWest
-
Topic Author
- Offline
- Sustaining Member
-
Registered
- 10 22 2014
- Posts: 23374
- Thanks: 2902
Re: Z1KZP swing arm swap
21 Sep 2020 07:09
Got it in 
Steve

Steve
Z1b1000 1975 Z1b
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229
Please Log in or Create an account to join the conversation.
- SWest
-
Topic Author
- Offline
- Sustaining Member
-
Registered
- 10 22 2014
- Posts: 23374
- Thanks: 2902
Re: Z1KZP swing arm swap
21 Sep 2020 14:27
Almost done
Steve
Steve
Z1b1000 1975 Z1b
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229
Please Log in or Create an account to join the conversation.
- SWest
-
Topic Author
- Offline
- Sustaining Member
-
Registered
- 10 22 2014
- Posts: 23374
- Thanks: 2902
Re: Z1KZP swing arm swap
21 Sep 2020 21:29
Got it done. 
Steve

Steve
Z1b1000 1975 Z1b
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229
Please Log in or Create an account to join the conversation.
- Kidkawie
-
- Offline
- User
-
Registered
- I bleed premix
- Posts: 1913
- Thanks: 243
Re: Z1KZP swing arm swap
22 Sep 2020 07:22
Sorry but my internet is limited and I cant watch all the videos.
What is the benefit to using the KZP arm?
What is the benefit to using the KZP arm?
1975 Z1 900
1994 KX250 Supermoto
2004 KX125
1994 KX250 Supermoto
2004 KX125
The following user(s) said Thank You: SWest
Please Log in or Create an account to join the conversation.
- SWest
-
Topic Author
- Offline
- Sustaining Member
-
Registered
- 10 22 2014
- Posts: 23374
- Thanks: 2902
Re: Z1KZP swing arm swap
22 Sep 2020 07:40 - 22 Sep 2020 07:42
It's 1/1/2" longer, thicker metal, more reinforced in key areas and needle bearings in the pivot plus it was $55 delivered. It wasn't a bolt on and go application. The pivot tube is larger so the stock end caps wouldn't work. I had to adapt washers to fit around the inside bosses to act as thrust washers to prevent side to side play. 1/4" I also had to shave the inner races to fit. I may have to add two thin washers in the future if side to side play develops. So far so good for now. If anything happens I'll post it here. 
Steve

Steve
Z1b1000 1975 Z1b
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229
Last edit: 22 Sep 2020 07:42 by SWest. Reason: sp
Please Log in or Create an account to join the conversation.
- Kidkawie
-
- Offline
- User
-
Registered
- I bleed premix
- Posts: 1913
- Thanks: 243
Re: Z1KZP swing arm swap
22 Sep 2020 08:46
Can you post a side view pic?
1975 Z1 900
1994 KX250 Supermoto
2004 KX125
1994 KX250 Supermoto
2004 KX125
Please Log in or Create an account to join the conversation.
- SWest
-
Topic Author
- Offline
- Sustaining Member
-
Registered
- 10 22 2014
- Posts: 23374
- Thanks: 2902
Re: Z1KZP swing arm swap
22 Sep 2020 09:29 - 22 Sep 2020 09:30
Of course. The comparison of the two is in one of my clips. I didn't think to take a snapshot of the two. As you can see the tire is further back closer to the fender.
Steve
My swing arm mod would be 3" longer and I would have to lose the fender.
Steve
My swing arm mod would be 3" longer and I would have to lose the fender.
Z1b1000 1975 Z1b
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229
Last edit: 22 Sep 2020 09:30 by SWest. Reason: sp
Please Log in or Create an account to join the conversation.
- SWest
-
Topic Author
- Offline
- Sustaining Member
-
Registered
- 10 22 2014
- Posts: 23374
- Thanks: 2902
Re: Z1KZP swing arm swap
24 Sep 2020 14:50
Not done yet. 
Steve

Steve
Z1b1000 1975 Z1b
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229
Please Log in or Create an account to join the conversation.
- SWest
-
Topic Author
- Offline
- Sustaining Member
-
Registered
- 10 22 2014
- Posts: 23374
- Thanks: 2902
Re: Z1KZP swing arm swap
25 Sep 2020 15:12
Aligning the sprockets.
Steve
Steve
Z1b1000 1975 Z1b
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229
Please Log in or Create an account to join the conversation.
- SWest
-
Topic Author
- Offline
- Sustaining Member
-
Registered
- 10 22 2014
- Posts: 23374
- Thanks: 2902
Re: Z1KZP swing arm swap
26 Sep 2020 06:21
Narrowing it down.
Steve
Steve
Z1b1000 1975 Z1b
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229
Please Log in or Create an account to join the conversation.
- SWest
-
Topic Author
- Offline
- Sustaining Member
-
Registered
- 10 22 2014
- Posts: 23374
- Thanks: 2902
Re: Z1KZP swing arm swap
27 Sep 2020 06:50
May have to extend the fender. 
Steve

Steve
Z1b1000 1975 Z1b
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229
Please Log in or Create an account to join the conversation.
- SWest
-
Topic Author
- Offline
- Sustaining Member
-
Registered
- 10 22 2014
- Posts: 23374
- Thanks: 2902
Re: Z1KZP swing arm swap
27 Sep 2020 21:09
A chain breaker would be better but this is one way to get it done.
Steve
Steve
Z1b1000 1975 Z1b
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229
Please Log in or Create an account to join the conversation.
Moderators: Street Fighter LTD