YAMAHA MJ rear sprocket for Yamaha WR 500 1992-1994 MJ Corse MJ.953 €43.13 High quality duraluminium (ergal) rear sprocket for Yamaha WR 500 1992-1994 with chain pitch 520 and with number of teeth from 42 to 64. Select the chain pitch and number of teeth you need by clicking below. Add to cart