2001 Polaris Sportsman 400-500 DUSE and H.O. Service Manual, Page 293Get this manual
TRANSMISSION
TRANSMISSION OUTPUT GEAR BACKLASH INSPECTION ADJUSTMENT
13The following steps must be performed to obtain proper front output gear backlash adjustment:The pinion gear must be held securely& Do not lubricate the gear teeth until backlash adjustment is completeBoth Gears should be free of grease and oil& Perform adjustment with front output housing seal removed and end play properly adjusted& Measure backlash using tool (PN 2871695)The measurement point is 3.875 (98.43mm) from shaft centerline& Set backlash at .008.014 (.20 -.36mm)& Check backlash in several locations of ring gearFront Gearcase Use This Mark Transmission Front Output Shaft Use This Mark