1. GENERAL INFORMATION MXU 500 IRS Illustration (Note: the special tools may differ Tool Name Tool No. slightly from those shown in the figure of this manual.) Pinion bearing lock nut wrench (Refer to the "REAR DRIVE A120F00020 DISASSEMBLY/INSPECTION / ASSEMBLY" section in the chapter 13.) Pinion puller (Refer to the "REAR DRIVE DISASSEMBLY/INSPECTION A120F00021 / ASSEMBLY" section in the chapter 13.) C-ring remover (Refer to the "FRONT DRIVE DISASSEMBLY/INSPECTION A120F00022 / ASSEMBLY" section in the chapter 13) Carburetor adjustment Adjust pilot screw position A120E00076 FRONT ASSY GEAR CASE F025 A120 F00025 COLLAR LOCK M54*15 MXU 400 /UXV 500/MXU 500 IRS WRENCH REAR ASSY GEAR CASE F026 A120 F00026 UXV 500/MXU 500 IRS PINION GEAR PULLER F027 A120 F00027 BEARING PULLER ATV /UXV 500 MODEL 1-18