YAMAHA MJ rear sprocket for Yamaha WR 426 2001-2002 MJ Corse MJ.952 €43.13 High quality duraluminium (ergal) rear sprocket for Yamaha WR 426 2001-2002 with chain pitch 520 and with number of teeth from 40 to 64. Select the chain pitch and number of teeth you need by clicking below. Add to cart