Custom processing is the use of reed valve size 1 (mm) Model V4144 Applicable models YAMAHA RXZ135 RX135 YZ125 DT175 Item No. SCL-2020060012-000B02VF Specification VForce 4 reed valves, carbon fiber sheets (4 pieces) Applicable models YAMAHA RD RD250 RD350 RD400 Applicable models Yamaha Banshee 350 YFZ350 Product Name: VForce 4 Reed Valve Suitable for Yamaha RX135 YZ125 DT175 Motorcycle Reed Valve Installation Model: Yamaha RXZ135 RX135 YZ125 DT175Also may fit:Yamaha RD RD250 RD350 RD400Yamaha Banshee 350 YF Z350 Weight: 170g Color: as shown