Clutch compatibility: Centrifugal clutch 5/8″ bore 11 tooth design for 2 – 6.5 HP With 5/8″ Shaft Engines.Honda & Honda Cloned Engines GC160, GC190, GX120, GX140, GX160, GX200 Briggs Stratton Tecumseh Engines Specification: Bore Size: 5/8″(15.9mm);Key Way: 3/16″(4.8mm), Outside Diameter:4.22 inch, Horse Power: Up to 8 HP, Compatible Chain Size:#35, 12 Tooth Chain Sprocket, Engagement Speed: 2300+300RPM, Rear Tires: <15". High quality and Heavy Duty clutch: Made of Quality Iron Material, Which is Lightweight, Portable, Sturdy, Durable, Maximum Torque, Wear-resisting and Fast Heat Disation. Commonly use: minibike, generator, garden tractors, go karts, scooter x sport kart, mini chopper, mini motorcycles 2.8HP 97cc engines. Baja Mini Bike (MB165 & MB200), including the Baja Heat, Mini Baja, and the Baja Warrior. Check and Confirm: Please check and confirm compatibility before purchasing. Contact us if you have any questions.All of the original??BATONECO?? parts are 100% tested before se