2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 252Get this manual
CLUTCHING 5Install the roller pin into the sheave assembly on both sidesThe flat side of the roller pin faces downward when the shaft side is laying flat on the bench9Install the spider dampener (G) inside the outer spider and install the inside spider plate (H)Outer Spider E
Flat Side Down
6Install the spring pins (C) to secure the roller pinsInstall until flush with sheave surface10Install the spider assembly onto the shaft with the retaining ring on top of the spiderNOTE: Use the marks previously made to align the skip tooth spider, or use the "X" on top of the spider and align it with the skip tooth on the shaft