KAWASAKI MJ rear sprocket for Kawasaki GPX 250 R 1988-2005 MJ Corse MJ.703 €33.76 High quality duraluminium (ergal) rear sprocket for Kawasaki GPX 250 R 1988-2005 with chain pitch 520 and with number of teeth from 34 to 50. Select the chain pitch and number of teeth you need by clicking below. Add to cart