Mikuni VM 28

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23 Jan 2010 11:20 #344097 by jknappsax
Mikuni VM 28 was created by jknappsax
I have a rack of VM 28s that I want to clean and rebuild, but when I search for information, I come up with info about 28 mm flatslides, and the ones I have are round slides with an accelerator pump. Does anyone know anything about these carbs, or where I can find any information on them? I'm especially interested in how the accelerator pump is rigged to operate. Thanks.

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23 Jan 2010 11:40 #344098 by roy-b-boy-b
Replied by roy-b-boy-b on topic Mikuni VM 28
Someone will have more input after the discussion is onthe board longer.

Those carbs i believe were built so the pilot jets could be smaller to pass or conform to epa specs.

I like those carbs but i remove the accelator pump and install 26 mm bowls. It's just easier for me to jet them that way. Roy
1979 LTD Street Fighter.1977 KZ1000

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23 Jan 2010 19:45 #344202 by timebomb33
Replied by timebomb33 on topic Mikuni VM 28
the round slide carbs are what came stock on your machine the flat slides your talking about came on some early model gsxr 750's
1973 z1 2-1974z1-a,2-1975z1-b dragbikes1015cc+1393cc, 1977kz1000,1978kz1000,1981kz1000j, 1997 zx-11, 2000 z12r,1428turbo nitrous pro-mod and a shit load of parts thats all for now leader sask.,CANADA
I THINK MY POWERBAND BROKE

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24 Jan 2010 06:42 #344249 by Old Man Rock
Replied by Old Man Rock on topic Mikuni VM 28
Follow the link... has the VM tuning data plus a lot of other data regarding carb & jetting...

kzrider.com/index.php?option=com_docman&...d&gid=461&Itemid=108

OMR
1976 KZ900-A4
MTC 1075cc.
Camshafts: Kawi GPZ-1100 .375 lift
Head: P&P via Larry Cavanaugh
ZX636 suspension
MIKUNI, RS-34'S...
Kerker 4-1, 1.5" comp baffle.
Dyna-S E.I.
Earls 10 row Oil Cooler
Acewell 2802 Series Speedo/Tach
Innovate LC1 Wideband 02 AFR meter

Phoenix, Az

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