Regina Chain KY120 Chain and Sprocket Kit for YFZ450 / YFM660

The Regina Chain KY120 is a complete chain and sprocket kit engineered for Yamaha YFZ450 and YFM660 ATV applications. Regina is a premium Italian manufacturer with decades of experience producing high-performance drive chains for motorsport and powersports use, trusted by professional racers and serious enthusiasts worldwide.

This kit delivers a matched, ready-to-install drive system that ensures optimal chain-to-sprocket engagement, even wear, and consistent power transfer from the engine to the rear wheels. Using a matched kit rather than replacing components individually helps extend the overall service life of the drivetrain.

Key Features:

• Complete chain and sprocket kit for a straightforward drivetrain refresh
• Engineered specifically for Yamaha YFZ450 and YFM660 ATV fitment
• Regina chain construction for durability and reliable power transfer
• Matched sprocket and chain sizing for optimized engagement and reduced wear
• Ideal for trail riding, recreational use, and performance applications

The Regina KY120 chain kit is an excellent choice for riders looking to restore drivetrain performance with quality components. Regina's reputation for precision manufacturing ensures consistent link dimensions, smooth roller engagement, and long service intervals under demanding ATV riding conditions.