2008 Polaris Ranger RZR Service Manual, Page 250Get this manual
TRANSMISSION 13Install the reverse idler lower washer, needle bearing, gear, upper washer and snap ring onto the idler shaft of the transmission case half16Install the reverse clutchgear assembly onto the park flangeNote the orientation of the (2) thrust washers (topbottom of gear assembly), and needle bearingComplete the assembly by aligning the roll pin holes and tapping the roll pins through the retaining plate and into the reverse gear using brass punch