The RK 4107-150EX Chain and Sprocket Kit is an OEM replacement drivetrain set designed for the Yamaha YZF-R1/M. This complete kit combines a premium Driven C45 steel alloy rear sprocket with a Driven C45 steel front sprocket manufactured for strength, dependable engagement, and consistent performance. It contains OE gearing to preserve the motorcycle’s original drivetrain specifications and riding characteristics.
Each sprocket features a durable case-hardened finish, while the front sprocket is also quenched for additional hardness and wear resistance. The natural-finish kit is engineered for riders seeking a high-mileage replacement solution that supports reliable power transfer during street and sport riding. RK’s OEM Replacement design helps simplify installation by providing the key chain and sprocket components needed to refresh the Yamaha YZF-R1/M final drive system.
Fitment: Designed for Yamaha YZF-R1/M applications requiring the specified OEM gearing configuration. Verify the motorcycle model, year, and original drivetrain specifications before installation to confirm compatibility. The manufacturer part number is 4107-150EX, and the vendor part number is also 4107-150EX.
Features:
- Brand: RK
- Manufacturer: RK
- Manufacturer Part Number: 4107-150EX
- Vendor Part Number: 4107-150EX
- Application: Yamaha YZF-R1/M
- Type: OEM replacement chain and sprocket kit
- Sprocket Material: Driven C45 steel alloy
- Rear Sprocket: Black case-hardened construction
- Front Sprocket: Case-hardened and quenched construction
- Gearing: OE gearing
- Finish: Natural
- Performance: High-mileage replacement design
- Fitment: Yamaha YZF-R1/M models using the specified OEM drivetrain configuration