1、APPLICABLE MODELS: The primary drive CVT clutch is designed specifically for CFMoto CF1000ATR CForce 1000 ATV models 2018‑2021, for CFMoto CF1000AU CForce 1000 ATV 2018‑2021, etc. 2、PART NUMBER: Primary driven clutch replace part number are 0JYA 05100, 0JYA 051000 00001, 0JYA 051000 10000, for reference. Please double check the part number of your item to ensure perfect fit. 3、IMPROVED PERFORMANCE: The primary drive CVT Clutch enhances the ATV's performance, providing smoother engagement and better power transfer, extending vehicle life. 4、ENHANCED RIDING EXPERIENCE: With the primary drive CVT clutch, you'll experience improved acceleration and responsiveness, making every ride more exciting and enjoyable. 5、RUGGED CONSTRUCTION: Manufactured from high strength metal materials for outstanding durability and reliability, providing excellent drive and control in extreme conditions.