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78 gs750 Carb spacing

  • Thread starter Thread starter one_civic
  • Start date Start date
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one_civic

Guest
Hi guys,

Can someone confirm for me that the carb spacing on a 78 gs750 vm26 is 77-93-77,

Looking at sourcing some early 85-86 gsxr 750 vm29ss flatslides, like these ones for my winter project,

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Thanks everyone
 

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Are you talking about vm29 smooth bores or vm29ss flat slides? As far as I've researched, the early 85-86 non US gsxr 750 mikuni vm29ss flat slides are 77-93-77? But I don't have a set yet to confirm this. Please correct me if I am wrong because that changes my plans for this winters rebuild
 
K, thanks Agemax, you just saved me $300 that I can now put toward smooth bores
 
hannibal said:
Rookie question: the 77-79 750 carbs are referred to as vm 29 smoothsides?
Click to expand...
no, the 750 carbs are referred to as VM26's. VM29 smoothbores are a Mikuni performance upgrade carb which can be used on most 8 valve GS's , 750 upwards. 33mm smoothbores are also available for bigger capacity engines
 
Have you used the vm29ss flat slides on anything yet Agemax? I'm gonna do an 850 top end swap this winter along with some mild head work and I have a chance on picking up a pair of these in really good shape, plus they look pretty cool
 
Not yet! i have a set that i am rebuilding, that will be respaced to fit a 80 GS1000 head. Also they have the back plates from TM33's so they will be a genuine VM33 flatslide, instead of 29mm
 
Agemax said:
no, the 750 carbs are referred to as VM26's. VM29 smoothbores are a Mikuni performance upgrade carb which can be used on most 8 valve GS's , 750 upwards. 33mm smoothbores are also available for bigger capacity engines
Click to expand...
Thanks for setting me straight!
 
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