Fine workmanship, this centrifugal clutch can function as well as the original one. Mounts onto crankshaft using bolt and washer on the end of the crankshaft. It is the combination of elegance and good use, firmly and securely, guaranteeing the of your car. Manufactured to precise OE requirements for perfect fit. Please check picture and FITMENT information to verify this is the correct one you need before purchasing. COMPATIBILITY:Fits 2 – 6.5HP engines for Honda GC160, GC190, GX120, GX140, GX160, GX200Fits Engine 2 – 6.5HP with 5/8″ Shaft and 3/16″ Key way.Specification:Material: IronClutch: 5/8 inch Bore 11 ToothCompatiable Chain Size: 35Engagement Speed: 2000??200 RPMKeyway: 3/16 inchFITMENT: for Mini Bike, Go Kart, LawnmowerPackage Includes:1 x Centrifugal Clutch (Set screw not included)