of course there are jetting differences between the vintages
86-87 vintage 32mm.....110 mains, 35 pilots, N52H and N52I needles differ left and right
88-07 vintage 30mm....105 main, 38 pilot N16I needles
But each carb set were/are 100% stock jetted as supplied by Keihin/Kawasaki....that, in itself, represents a fair (apples to apples) comparison in my book.
Could a quality jet kit with adjustable needle and selection of mains offer improvement on either carbset? Investment, time, effort required to explore, but not in the radar here.
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