The RK 520 Quick Acceleration Chain and Sprocket Kit, part number 4107-069PGX, is designed for Yamaha YZF-R1 motorcycles from 2006 through 2008. This performance-focused kit combines race-oriented gearing with durable steel components to support quicker acceleration and dependable drivetrain performance. The gold-finish chain adds a distinctive appearance while providing the sealed construction needed for demanding street and performance riding.
The kit includes RK’s premium 520 XW-ring sealed chain and a Driven steel alloy front sprocket with a black case-hardened finish. The XW-ring design helps retain lubrication and protect against contamination, supporting extended service life when properly maintained. The included gearing is selected for quick acceleration, making this kit a suitable replacement or upgrade for riders who want sharper response from their Yamaha YZF-R1.
Manufactured by RK and supplied under vendor part number 4107-069PGX, this chain and sprocket kit is configured for fitment on Yamaha YZF-R1 models from 2006–2008. Confirm the motorcycle year, model, and existing drivetrain specifications before installation. Proper chain adjustment, lubrication, and break-in procedures are recommended to help ensure reliable operation and maximize component life.
Features:
- Fitment: Yamaha YZF-R1 motorcycles from 2006–2008
- Brand: RK
- Manufacturer: RK
- Vendor part number: 4107-069PGX
- Chain size: 520
- Chain construction: Premium XW-ring sealed design
- Sprocket material: Driven steel alloy
- Sprocket finish: Black case-hardened front sprocket
- Performance: Race-oriented gearing designed for quick acceleration
- Kit finish: Gold chain