Apologies in advance, im sure this question has been answered but dont have hours to search thru all the existing threads to find it.
Im looking to rejet for a K&N lunchbox, I dont want a jet kit , I want to pick the jet sizes specific to my tune, but this is my first with a mikuni , Im more farmiliar with keihin. Im looking for help on the ordering for the mid main. Problem is any site I know doesnt have a good listing/catalog for these carbs , as they are BSR34 which is apparently a manufacturers specific design so its not usually listed and if is only has the main or pilot available. Im hoping for some quick guidance rather than measuring them out and searching that route. Is it that the mid main are the same jets as the main just dif size? I wouldnt think so. I dont have luxury at moment to pull the carbs off and look and dont wanna tear down until have the parts on hand. Any help is greatly appreciated.
Read this first:
http://wiki.gstwins.com/index.php?n=Upgrades.Rejetting
Also bear in mind the K&N lunchbox won't make jetting and carb tuning any easier, and it won't yield more power. But it will make more noise and filter worse than the stock air filter.
Remember also the main jet has no effect on richness except at WOT. I'd probably just shim the needle and be done with it. But you will get much more info and nuances in older posts.
You need 20 pilots, that's on 01+ GS. You need 1-2 washers under the needle, and air screws to 3. Again regardless of setup.
K&N without pipe I have found it very very hard to jet though. With pipe its 147.5 mains. With stock pipe 142.5 may be a good starting point.
Cool.
Buddha.