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Looking to spice up or revitalize your old Japanese inline 4 cyl? Look no further! Speedmotoco is now offering Mikuni RS Series Carburetors for your Honda, Yamaha, Suzuki, Kawasaki Inline 4 cyl. Unmodified, or even souped up race engines, we have the kit for you. The Mikuni Rs series carbs offer more power, snappier throttle response and more refined power curve. These are brand new genuine Mikuni carbs straight from Japan. Dont see your bike listed? Shoot us a call or email 541-687-6400 or shop …