EK CHAIN JT 520H 13/49 - Ultra Light Rear Sprocket Chain kitYAMAHA 250 YZ 250 - 1994 - 1997Ref : EKC03660A / 3068459

EK/JT 520H 13/49 chain kit by EK CHAIN, designed for off-road machines. This kit combines a robust 520 chain with an ultra-light aluminum sprocket, suitable for the demands of motocross riders seeking a reliable setup with a lightweight rear.

• Manufacturer reference: Not provided
• Type: 520H chain kit (13-tooth sprocket / 49-tooth sprocket)
• Number of links: 114
• Color: Steel / Steel
• Sprocket material: Aluminum (ultra-light)
• Relative lifespan: 150 (for 100 links)
• Weight: 1.66 kg for 100 links

This kit is designed for motocross use: the aluminum sprocket reduces mass compared to a steel sprocket, while the 520H chain offers a solid compromise between longevity and compactness. Standard installation and maintenance: check the tension, lubricate regularly, and monitor the wear of links and teeth to ensure safe transmission. It is recommended to replace the sprocket, chain, and sprocket simultaneously for consistent drive.

Notable compatibilities: YAMAHA YZ 250 (1995, 1996, 1997) — suitable for other enduro/motocross bikes equipped with a 520 pitch after verifying the number of teeth and chain length.