YAMAHA MJ rear sprocket for Yamaha YSR 50 1986-1992 MJ Corse MJ.717 €38.24 High quality duraluminium (ergal) rear sprocket for Yamaha YSR 50 1986-1992 with chain pitch 420 and with number of teeth from 30 to 52. Select the chain pitch and number of teeth you need by clicking below. Add to cart
Rear - Front sprockets Front sprocket for Yamaha YSR 50 86-92 Marca 1 MJF.386 €5.80 Front sprocket for Yamaha YSR 50 86-92, available in 420 pitches and with tooth numbers from 11 to 17. Choose the pitch and number of teeth you need below. Add to cart
