Rear Sprocket Pro 51t 520 Hon/Yam

Features:

• Manufactured from 7075 T6- 51 aluminum
• Stronger than steel sprockets in tensile, yield and shear strength
• Far lighter than steel for less unsprung weight
• Most rears provided with lightening holes
• Made from full thickness aluminum for maximum strength

Fits:
Honda_XL350R 1984 to 1985
Honda_XR200R 1984 to 2002
Honda_XR250R 1984 to 1989
Honda_XR350R 1983 to 1985
Honda_XR500R 1983 to 1984
Honda_XR600R 1985 to 1987
Yamaha_WR250F 2001 to 2013
Yamaha_WR250F 2015 to 2018
Yamaha_WR250R 2008 to 2018
Yamaha_WR400F 1999 to 2000
Yamaha_WR426F 2001 to 2002
Yamaha_WR450F 2003 to 2017
Yamaha_YZ125 1999 to 2018
Yamaha_YZ250 1999 to 2017
Yamaha_YZ250F 2001 to 2018
Yamaha_YZ250FX 2015 to 2018
Yamaha_YZ250X 2016 to 2017
Yamaha_YZ400F_1999_
Yamaha_YZ426F 2000 to 2002
Yamaha_YZ450F 2003 to 2009
Yamaha_YZ450F_2012_
Yamaha_YZ450F 2014 to 2018
Yamaha_YZ450FX 2016 to 2018