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GSX-r 750 carbs

  • Thread starter Thread starter cdnoel
  • Start date Start date
C

cdnoel

Guest
Ok it's not a GS but I still wold like some of your thoughts. I'm rebuiling an 89 GSX-r to look like the one in my picture. I have all the original body parts now and I'm ready to get it runing. It was given to me by a friend and it had no carbs on it when I got it. I have a later set from a 92 and I was wondering where to start on the pilot and main jets since the jets that are in it now don't seem right. I have a vance and hines pipe for it and pod filters. The carbs have 30 pilots, 117.5 main outers and 120 main inners in them now but I'm thinking the pilots are too small. I thought maybee I'd start with 35 or 40 pilots and 117.5's in all four.

Any one know of a good GSX-r resource site as well? I really don't think I could beat this site though. Heck I was tempted to ask you all some CB750 questions even though I found the SOHC750 site.
 
The manual.

The manual.

I have a manual but it gives a few different sizes depending on year and U.S. or U.K. models. The smallest pilot size is 32.5 for mine and the largest is the 90 U.K. at 35. None of them had 30's and with my aftermarket exhaust I'm sure that would be way too lean.
 
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