The Hot Products Mikuni Soft Throttle Shaft Spring is manufactured in Japan and was created to have approximately 25% less tension than an OEM Mikuni throttle spring. The lower tension will reduce throttle fatigue and makes for a more comfortable riding experience.

NOTE: Does not fit on Kawasaki 800 SX-R 40mm “I” Series OEM Carburetors. Generic Image And May Not Depict The Actual Item.