This CARBURETOR (MODEL W/X/Y) fiche contains the largest amount of spare parts with seventy-five listed items
With these GSXR600 1999 (X) USA (E03) partsfiches you have access to two thousand one hundred one spares.
To discover exactly which parts you require use the on-line schematic exploded diagram - it will even give you some idea of where and how to fit those new parts.