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Carburetor identification.... Sorry

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16 May 2024 11:16 - 16 May 2024 11:50 #899126 by TootMagoot
Carburetor identification.... Sorry was created by TootMagoot
Hey all. I'm feeling very very stupid right now and am starting to second guess everything. I was lead to believe I am in possession of some vm29 type carbs. The bike they came with is a 1979 KZ1000A. After reading through some posts about jetting and carb identification I ordered pilots, mains, and air jets. Either the company I ordered from gave me false information about fitment or I have different carbs than I thought. I guess what I'd like help with here is identifying what I do actually have and if possible some resources to properly jet them for a pods/4-1 application. 
Last edit: 16 May 2024 11:50 by Wookie58.

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16 May 2024 11:21 - 16 May 2024 11:27 #899127 by zed1015
Replied by zed1015 on topic Carburetor identification.... Sorry
Those are stock Z1000 Mikuni VM26MM and for pod use you need air corrector jets with just an increase of the mains and leave ALL other settings and jetting stock..
Air corrector jet kit.Kawasaki Z1,Z650,Z900,Z1000,Z1R.MK2, MIKUNI.LEDAR.PODS.K&N | eBay

Also unless physically damaged you should not replace any internal brass and if so only use genuine Mikuni or Keyster items..
Pods must be quality free flowing Unifilter,Ramair,APE, K&N,S&B and not cheap chinese items.Emgo, Hi level etc.

AIR CORRECTOR JETS FOR VM CARBS AND ETHANOL RESISTANT VITON CHOKE PLUNGER SEAL REPLACMENT FOR ALL CLASSIC AND MODERN MOTORCYCLE CARBURETTORS
www.kzrider.com/23-for-sale/611992-air-c...lide-mikunis?start=0





Last edit: 16 May 2024 11:27 by zed1015.
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16 May 2024 11:28 #899128 by TootMagoot
Replied by TootMagoot on topic Carburetor identification.... Sorry
Zed, I was really hoping chime in on this. It seems like you're the guy for carburetor things. Thank you so much. It probably seems insignificant but genuinely my day is made just getting a concrete answer. 

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16 May 2024 11:51 #899130 by Wookie58
Replied by Wookie58 on topic Carburetor identification.... Sorry
I fixed your pics, next time click "insert all" before submitting 
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  • gd4now
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16 May 2024 12:00 #899131 by gd4now
Replied by gd4now on topic Carburetor identification.... Sorry
Agree Zed does know what he is talking about. From the pics it is difficult to tell if the set has more than a pilot screw (can not see if air screw as well) It does appear to have a vacuum port on #3 to run a petcock. But again can not see if there is a vent port on #2 or not. If not then the set may not be put together correctly. Not saying this is so, just can not tell from pics. 

1977 KZ650 B1
Pods and Denco header


OLD KAW OWNERS SMILE ALOT

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16 May 2024 12:00 #899132 by Warren3200gt
Replied by Warren3200gt on topic Carburetor identification.... Sorry
Vm26 but your idle adjuster has be replaced with a bolt and lock nut. Should be spring tensioned thumbscrew. 


Z1000J2 somewhat modified!

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16 May 2024 14:16 #899146 by zed1015
Replied by zed1015 on topic Carburetor identification.... Sorry

Agree Zed does know what he is talking about. From the pics it is difficult to tell if the set has more than a pilot screw (can not see if air screw as well) It does appear to have a vacuum port on #3 to run a petcock. But again can not see if there is a vent port on #2 or not. If not then the set may not be put together correctly. Not saying this is so, just can not tell from pics. 
They are fuel screw only.
An additional air screw would identify them as Suzuki GS fitment which they are not.
They are also correctly assembled with vents on 2 and 4 and a vac port on 3.
The vent on 2 can just be seen behind the fuel pipe in pic 3 and the blank air screw castings on pic 4..

AIR CORRECTOR JETS FOR VM CARBS AND ETHANOL RESISTANT VITON CHOKE PLUNGER SEAL REPLACMENT FOR ALL CLASSIC AND MODERN MOTORCYCLE CARBURETTORS
www.kzrider.com/23-for-sale/611992-air-c...lide-mikunis?start=0





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  • gd4now
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16 May 2024 14:23 #899147 by gd4now
Replied by gd4now on topic Carburetor identification.... Sorry
Thanks Zed, now that you mentioned the fact, I can see the port on #2.

1977 KZ650 B1
Pods and Denco header


OLD KAW OWNERS SMILE ALOT

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  • sf4t7
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16 May 2024 14:49 #899149 by sf4t7
Replied by sf4t7 on topic Carburetor identification.... Sorry
Answers like those above make a $10 per month donation worth it. ( actually $60 twice a year, easier for my book keeping )   


Scotty

1974 Z1A
1015
welded Z1 crank
Andrews 1X Cams
Delkevic 4 into 1
Superbike bars
530 conversion

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16 May 2024 14:56 #899150 by Wookie58
Replied by Wookie58 on topic Carburetor identification.... Sorry

Answers like those above make a $10 per month donation worth it. ( actually $60 twice a year, easier for my book keeping )   
So true Scotty, it would be great if more people saw the value of 24/7 access to a combined knowledge and experience base probably in excess of a thousand years
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  • Scirocco
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16 May 2024 15:31 - 16 May 2024 15:40 #899154 by Scirocco
Replied by Scirocco on topic Carburetor identification.... Sorry
Should not be the vent port tube connector to the atmospher on carb #2 and #4?
Carb #1 vent should connected via rubber tub to #2 and the #3 vent via rubber tube to # 4?
The vent rubber tub between #2 and #3 is also missing!
The vaccum and port location is only functional after the throttle slider or butterfly position!
Correct me if i am wrong.
 
Last edit: 16 May 2024 15:40 by Scirocco.

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17 May 2024 01:10 - 17 May 2024 01:12 #899168 by zed1015
Replied by zed1015 on topic Carburetor identification.... Sorry

Should not be the vent port tube connector to the atmospher on carb #2 and #4?
Carb #1 vent should connected via rubber tub to #2 and the #3 vent via rubber tube to # 4?
The vent rubber tub between #2 and #3 is also missing!
The vaccum and port location is only functional after the throttle slider or butterfly position!
Correct me if i am wrong.


 
Everthing is correct as you say except there is not and should not be a rubber tube link between 2 and 3 on VM's as these are a blank undrilled casting in that position and the tube would intefere with the throttle return spring.
The tubes connecting 1-2 and 3-4 are present and can be seen in pic 4 and the vent tubes which their air passages internally connect to for the atmospheric vents on 2-4 and vac port on 3 are simply currently not fitted.

AIR CORRECTOR JETS FOR VM CARBS AND ETHANOL RESISTANT VITON CHOKE PLUNGER SEAL REPLACMENT FOR ALL CLASSIC AND MODERN MOTORCYCLE CARBURETTORS
www.kzrider.com/23-for-sale/611992-air-c...lide-mikunis?start=0





Last edit: 17 May 2024 01:12 by zed1015.

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