3/4″ Shaft and 3/16″ Key way Shaft Bore,:#35 Chain Accommodates,12 Tooth 2 – 6.5HP engines for Honda GC160, GC190, GX120, GX140, GX160, GX200 Fits Engine 2 – 6.5HP with 3/4″ Shaft and 3/16″ Key way. A high quality and professional clutch,Centrifugal clutch 3/4″ bore 12 tooth design. High impact,wear resistant that is super durable,Commonly used on go karts, mini bikes,Replace the old broken clutch,User-friendly controls for easy starting and operation Feature: Centrifugal clutch 3/4″ bore 12 tooth design.A high quality and professional clutch.High impact,wear resistant that is super durable.Commonly used on go karts, mini bikes,Replace the old broken clutch.User-friendly controls for easy starting and operation Description: 100% Brand new, Never been us