Cheap And Discounts For YAMAHA XJ650 Maxim / 4K0 1980 1981 1982 1983 1984 xj 650 XJ Carburetor Repair Kit Slide Vacuum Membrane Diaphragms 4 PCS Wholesale. Buy Directly From Merchant Partshub Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.