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Fitment Note: Fits Mikuni HSR 42 carburetor.
Carb Jets: Main Jets
Sold in Units: Kit
Great Kit, worked very well for me...
bought a used hsr42 and needed to get it back to stock to tune it properly. this was a great way to do that without paying a shop too much money. got the carb tuned for my bike and getting 38+ mpg. awesome.