525 Motorcycle Front Sprocket Pinion For Yamaha YZF-R6 YZFR6 2006-2024 TDM850 1996-1998 TRX850 1996-2000 Engine Parts 525 pitch front drive sprocket fits YZF R6 2006-2024 TDM850 1996-1998 TRX850 1996-2000 output shaft spline mounting size direct bolt on installation no grinding or needed for quick drivetrain CNC machined tooth profile achieves smooth chain engagement lowers friction vibration power loss treated abrasion rust deformation under speed sport touring riding tight machining tolerance guarantees stable mounting prevents wobble extends life of drive chain assembly