Kawasaki Clutch Assist Spring is designed to assist the clutch lever to return back to its normal resting starting point.
The Kawasaki Ninja EX400cc has had several issues with the clutch “Free Play” and not pulling the lever back to the fully disengaged position.
Spears racing had made several attempt to purchase off of the shelf product which lead to,to much pressure/not enough pressure that is why they worked with a spring engineer to develop this spring.
This Kawasaki Clutch Assist Spring is designed and Manufactured in the USA,it is made from 302 stainless steel (will not rust) and has an installed spring assist pressure of 3.74 Ft.Lbs. it will also thread onto your stock OEM clutch cable end and not be loose against the clutch arm.