2001 Polaris Sportsman 400-500 DUSE and H.O. Service Manual, Page 39Get this manual
MAINTENANCE
TRANSMISSION GEARSHIFT LINKAGE ADJUSTMENT, PRELIMINARY INSPECTION
& If shifting problems are encountered, the transmission linkage can be adjusted& Tighten shift linkage rod end jam nuts properly after adjustmentYou should be able to rotate the linkage rod between 18 and 14 turn after both jam nuts are tight& The transmission shift linkage should be periodically inspected for wear and parts replaced as required to remove excess play from shift linkage& Refer to Transmission chapter for more informationLinkage rod will rotate 18 -14 turn if rod ends are tightened properly
Parallel
Correctly Tightened Jam Nut
Incorrectly Tightened Jam Nut