At DMG Motorsports, we present the Vortex Front CS Sprocket Steel 15T-520 (Yamaha) — part number 3289-15, a direct-fit countershaft sprocket engineered for riders who demand reliable power transfer and long-term durability. Built by Vortex, a name trusted in the motorcycle racing world for tough, competition-grade drivetrain components, this steel front sprocket is manufactured to tight tolerances and finished with a corrosion-resistant coating, making it an excellent replacement or upgrade for your Yamaha's final drive. Whether you're refreshing worn drivetrain components or building out a full chain-and-sprocket kit, the 3289-15 delivers the strength and precision Vortex sprockets are known for.

Features:

• Precision manufactured and induction hardened to precise tolerances for improved durability and consistency
• Zinc coated finish helps resist corrosion and maintain long-term performance
• Drilled lightening holes reduce rotating mass for quicker acceleration response
• Constructed from high carbon steel for maximum strength under demanding riding conditions
• Precise tolerances help ensure concentricity for smoother, quieter operation
• 15-tooth, 520-pitch front sprocket configuration designed to fit a range of Yamaha models
• Backed by Vortex's reputation for tightly toleranced, racing-proven sprocket manufacturing

Fitment