Removal of Emission Control on KZ1000 Police
- bl_francis
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Removal of Emission Control on KZ1000 Police
30 Apr 2017 11:05 - 30 Apr 2017 11:06
Should I remove this stuff?
I'm not sure if the air switch valve is working anymore. What parts do you remove? Do you replace carb. vacuum hoses with plugs?
What happens to these reed valves? They just suck in air from the outside?
Lastly - is it going to mess up how my carbs are working?
Thanks!
I'm not sure if the air switch valve is working anymore. What parts do you remove? Do you replace carb. vacuum hoses with plugs?
What happens to these reed valves? They just suck in air from the outside?
Lastly - is it going to mess up how my carbs are working?
Thanks!
1987 KZ1000 Police
Last edit: 30 Apr 2017 11:06 by bl_francis.
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- Skiprrdog
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Re: Removal of Emission Control on KZ1000 Police
30 Apr 2017 15:42
Leave valve cover plates in place; take long hose that goes to airbox, cut it so you can tie the two head cover plates together. Cap off two carburetor vacuum nipples. Plug hole in airbox... on my KZP I measured the hole, went to Ace and bought plastic plug to fit and epoxied it in there. Done. It will not make a difference as to how the bike runs, but WILL clean up the top of the engine.
1983 KZ1100 A-3 Shaft
1976 KZ900
1975 H2 Triple
1984 Yamaha XJ900 Seca
1984 Harley Davidson FXRDG
#BlackBikesMatter
1976 KZ900
1975 H2 Triple
1984 Yamaha XJ900 Seca
1984 Harley Davidson FXRDG
#BlackBikesMatter
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- TexasKZ
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Re: Removal of Emission Control on KZ1000 Police
30 Apr 2017 15:52 - 30 Apr 2017 15:54Skiprrdog wrote: Leave valve cover plates in place; take long hose that goes to airbox, cut it so you can tie the two head cover plates together. Cap off two carburetor vacuum nipples. Plug hole in airbox... on my KZP I measured the hole, went to Ace and bought plastic plug to fit and epoxied it in there. Done. It will not make a difference as to how the bike runs, but WILL clean up the top of the engine.
+1
If you want to eliminate the hose and the fittings, APE makes some nice block off plates.
kzzone.com/billet.html
The sexiest option is to install a Canadian or European cam cover that never had the system.
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
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough
www.kzrider.com/11-projects/620336-anoth...uild-thread?start=24
Last edit: 30 Apr 2017 15:54 by TexasKZ.
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- bl_francis
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Re: Removal of Emission Control on KZ1000 Police
30 Apr 2017 16:22
Thanks a lot. I'm excited to do this!
1987 KZ1000 Police
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- daveo
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Re: Removal of Emission Control on KZ1000 Police
30 Apr 2017 17:08TexasKZ wrote:
The sexiest option is to install a Canadian or European cam cover that never had the system.
Here's an example of THE cam cover suggested by TexasKZ...

:woohoo:
1982 KZ1100-A2
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- Skiprrdog
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Re: Removal of Emission Control on KZ1000 Police
30 Apr 2017 19:10
Pretty easy to do... good luck. Post some pics of your bike. The first Kaw I had was a 1997 KZP, and the first time I rode it I was like holy s%$$

1983 KZ1100 A-3 Shaft
1976 KZ900
1975 H2 Triple
1984 Yamaha XJ900 Seca
1984 Harley Davidson FXRDG
#BlackBikesMatter
1976 KZ900
1975 H2 Triple
1984 Yamaha XJ900 Seca
1984 Harley Davidson FXRDG
#BlackBikesMatter
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- bl_francis
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Re: Removal of Emission Control on KZ1000 Police
30 Apr 2017 20:39
Your bike looks great! I live in Canada; I'll have to see if I can find on of those covers.
This is my bike:
This is my bike:
1987 KZ1000 Police
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- bl_francis
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Re: Removal of Emission Control on KZ1000 Police
30 Apr 2017 20:41 - 30 Apr 2017 20:45
Your KZP looks great. You did a nice job with it!
1987 KZ1000 Police
Last edit: 30 Apr 2017 20:45 by bl_francis.
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- Skiprrdog
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Re: Removal of Emission Control on KZ1000 Police
01 May 2017 13:35
Dang... that IS a sexy cover. I feel like having a cigarette now, and I dont even smoke

1983 KZ1100 A-3 Shaft
1976 KZ900
1975 H2 Triple
1984 Yamaha XJ900 Seca
1984 Harley Davidson FXRDG
#BlackBikesMatter
1976 KZ900
1975 H2 Triple
1984 Yamaha XJ900 Seca
1984 Harley Davidson FXRDG
#BlackBikesMatter
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- bl_francis
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Re: Removal of Emission Control on KZ1000 Police
20 May 2017 18:35 - 20 May 2017 18:38
OK. So I finally got the valve clearances taken care of and put the cover back on.
I also capped the vacuum intake on carb #1 and the vacuum hose to the petcock is on #2. I also capped 3 & 4.
Then I blocked off the intake into the airbox by "siliconing" a piece of the hose in there.
My question is: Did I do everything correctly to eliminate the emissions stuff?
I also had a question about the overflow tube on the gas tank. Should there be any airflow through that? I tried pulling air through it and blowing through it but no dice!
I also capped the vacuum intake on carb #1 and the vacuum hose to the petcock is on #2. I also capped 3 & 4.
Then I blocked off the intake into the airbox by "siliconing" a piece of the hose in there.
My question is: Did I do everything correctly to eliminate the emissions stuff?
I also had a question about the overflow tube on the gas tank. Should there be any airflow through that? I tried pulling air through it and blowing through it but no dice!
1987 KZ1000 Police
Last edit: 20 May 2017 18:38 by bl_francis.
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- SWest
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Re: Removal of Emission Control on KZ1000 Police
20 May 2017 19:01
Is that a vacuum petcock?
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
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Re: Removal of Emission Control on KZ1000 Police
20 May 2017 19:03 - 20 May 2017 19:04
Yes. I have the vacuum going to carb. #2.
1987 KZ1000 Police
Last edit: 20 May 2017 19:04 by bl_francis.
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