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I have seen in a few posts that you can bolt a 750 header up to a 600 motor. Well i am going to be buying a full system header and pipe with a jet kit for my project 94 kat 600 and was wanting to know if I were to get a header and pipe for a 750 what mods would I have to make to get it to fit the 600? Also, would the same carb set up for a 600 header and pipe work with the 750 version or do they need to be set up another way?
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i think what your asking is what would be the difference between going to a full system or just buy a slip-on and a 750 header ?
well for the most HP the full system is the way to go. The aftermarket headers have better flow than the stock 750 header - my understanding is it's not the diameter of the tubes but how they build the collection point.
the 750 header does have a big increase in flow over the 600 though ( in stock form ).
i'm using dynojet main jets in my bike. when i had it dyno'd with the 750 header and the 120 main jets it was too rich. so i dropped them down to 118's. ( 120's is what is recommended by dynojet with a 'full' system )
so if you bought a 750 header now and updated to an aftermarket header down the road your only change would be to go up 1 size in main jet. needle & a/f screws stay the same.
tim
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your only running 118's??? wow
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118 DYNOJET ( they have a different numbering system that factory )Originally posted by duff daddy
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