Primary Drive Rear Steel Sprocket 48 Tooth Silver For YAMAHA WR400F 1999-2000

YZ450 WR450 F+R 14T 49T 520 Pitch Non O-Ring Chain Sprocket Kit for Yamaha Blue

For Yamaha WR450 YZ400 520 Pitch 14T 50T Non O-Ring Chain and Sprocket Kit Black

For Yamaha WR400 YZ450 520 Pitch 14T 49T Non O-Ring Chain and Sprocket Kit Black

WR400 YZ450 520 Pitch 14T 48T Non O-Ring Chain and Sprocket Kit for Yamaha Black

Black Drive Chain And Sprocket Kit for Yamaha YZ400F 1998 1999

520 Pitch 15T 48T Non O-Ring Chain Sprocket Kit for Yamaha WR400 1999-2001 Black