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Choke plunger Vm28ss

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25 Oct 2024 09:16 #905432 by Maxbou92
Choke plunger Vm28ss was created by Maxbou92
  Hello guys, does these Choke plunger fit on the vm28ss carbs?  There were Niche plunger, the seller tell me that ; eBay item number: 162890295846 Genuine Mikuni VM29 VM33 Smoothbore Starter Plunger Valve VM24/510

Kz750e 1980

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25 Oct 2024 10:08 #905435 by Maxbou92
Replied by Maxbou92 on topic Choke plunger Vm28ss
Thank youu, but your plunger doesnt have the nipple at the bottom ?! Vm24 are similar at vm28 but I dont know if they fit..

Kz750e 1980

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25 Oct 2024 10:26 #905436 by Maxbou92
Replied by Maxbou92 on topic Choke plunger Vm28ss
The site jetsrus has Vm24 plunger !! When someone confirm me that they fit, I will order them

Kz750e 1980

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25 Oct 2024 12:38 - 25 Oct 2024 12:43 #905438 by zed1015
Replied by zed1015 on topic Choke plunger Vm28ss
The ones from Niche fit the VM22,24,26,28 and smooth bores.
They are genuine Mikuni but reproduced for the Japanese market and in particular the classic kawasaki race series and don't have viton seals so are not ethanol fuel resistant  ( which is the case with all pattern plungers ) which is fine if you have the option of running ethanol free fuel but won't last long if you don't.
The majority of fuel on Japanese forecourts is ethanol free except the option of around 2% at one pump which apparently isn't popular.





 

AIR CORRECTOR JETS FOR VM CARBS AND ETHANOL RESISTANT VITON CHOKE PLUNGER SEAL REPLACMENT FOR ALL CLASSIC AND MODERN MOTORCYCLE CARBURETTORS
kzrider.com/forum/23-for-sale/611992-air-corrector-jets-





Last edit: 25 Oct 2024 12:43 by zed1015.

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25 Oct 2024 12:41 #905439 by Maxbou92
Replied by Maxbou92 on topic Choke plunger Vm28ss
Thank you Zed, again!!! Does this oring size can fit on my old plunger 6.75mm (od) x 2.1mm (id) x 2.15mm (thick). ?!

Kz750e 1980

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25 Oct 2024 13:39 #905444 by zed1015
Replied by zed1015 on topic Choke plunger Vm28ss
The plunger seals are not 'O' rings.
They are flat lathe spun discs and not available as a seperate part.
The ones i fit are custom made by myself to the exact dimensions of the originals from 75 shore viton to fit each individual plunger.
The VM/SS (16016-021 plunger type ) blanks are 2mm thick with 2mm hole and 7.4 mm diameter with a 40 degree chamfer on the perimeter of one face to conform to the underside of the plungers swaged brass retaining edge.

AIR CORRECTOR JETS FOR VM CARBS AND ETHANOL RESISTANT VITON CHOKE PLUNGER SEAL REPLACMENT FOR ALL CLASSIC AND MODERN MOTORCYCLE CARBURETTORS
kzrider.com/forum/23-for-sale/611992-air-corrector-jets-





The following user(s) said Thank You: Nessism, sf4t7, Scirocco, Wookie58

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25 Oct 2024 14:34 #905447 by Maxbou92
Replied by Maxbou92 on topic Choke plunger Vm28ss
So even of I put a Seal/oring it won’t be good !! Thank youu 

Kz750e 1980

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25 Oct 2024 15:02 - 25 Oct 2024 15:11 #905448 by SWest
Replied by SWest on topic Choke plunger Vm28ss
There was no obvious difference between the new ones or the old ones. 
Last edit: 25 Oct 2024 15:11 by SWest.

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25 Oct 2024 15:08 #905449 by SWest
Replied by SWest on topic Choke plunger Vm28ss
I changed mine for GP. Didn't make any noticeable difference. The ones in there were still working but having new ones allowed me to rule out one more thing then move on. 
kzrider.com/forum/3-carburetor/618866-choke-plungers#884064

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25 Oct 2024 15:33 #905451 by Maxbou92
Replied by Maxbou92 on topic Choke plunger Vm28ss
What is GP ?!

Kz750e 1980

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25 Oct 2024 16:29 #905454 by SWest
The following user(s) said Thank You: Maxbou92

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