The RK 520 Quick Acceleration Chain and Sprocket Kit is designed for Yamaha YZF-R6/S riders seeking sharper throttle response and strong, dependable drivetrain performance. This kit combines race-oriented gearing with durable steel components to support quick acceleration in demanding street or track applications. The gold-finished RK chain adds a distinctive appearance while providing reliable power transfer.
At the center of the kit is RK’s premium 520 XW-ring sealed chain, engineered to help retain lubrication and resist contamination for improved service life. The kit also includes a Driven steel alloy front sprocket with a black case-hardened finish. This sprocket is built to withstand the stresses associated with performance riding while maintaining consistent engagement with the chain.
Designed specifically for the Yamaha YZF-R6/S, the RK Part Number 4067-039PGX provides a coordinated chain and sprocket combination for applications requiring quick acceleration gearing. Verify the motorcycle model, year, and existing drivetrain configuration before installation to confirm fitment. Installation should be performed using proper motorcycle service procedures, including correct chain adjustment and final drive inspection.
Manufacturer and vendor part number: RK 4067-039PGX. This 520-size kit is intended for compatible Yamaha YZF-R6/S applications and includes the components necessary to update the final drive with performance-focused gearing and durable steel construction.
Features:
- Fitment: Designed for compatible Yamaha YZF-R6/S motorcycles
- Size: 520 chain and sprocket configuration
- Performance: Quick acceleration gearing for responsive throttle performance
- Chain: RK premium XW-ring sealed chain for durability and retained lubrication
- Sprocket: Driven steel alloy front sprocket with black case-hardened finish
- Finish: Gold chain appearance with durable performance components
- Brand: RK
- Manufacturer Part Number: 4067-039PGX
- Vendor Part Number: 4067-039PGX