2003 Bombardier Outlander 400 Factory Service Manual, Page 166Get this manual
Section 03 ENGINE Subsection 11 (GEARBOX)
GEARBOX
General
During and after gearbox disassembly, inspect the condition of each part closelyIn particular, check for: gear teeth damage worn or scoured bearing surfaces worn or scoured shift fork worn or scoured shift fork shaft rounded engagement dogs and slots bent shift forks bent shift fork shaft worn shift fork engagement pins worn tracks on shift drum worn shift fork engagement groove worn splines on shafts and gears