2005-2009 Honda TRX400EX/TRX400X Service Manual, Page 162Get this manual
CLUTCHGEARSHIFT LINKAGE CLUTCH CENTERCLUTCH OUTER
Check the grooves of the clutch cen er and pressure plate for damage or wear caused by th clutch platesCheck the slots in the clutch outer for nicks, cuts or indentations made by the clu ch discsCheck the primary driven gear teeth for wear or damage
SLOTS CLUTCH OUTER GUIDE
GROOVES
Check the clutch outer gu ide and needle bearing for wear or damageMeasure the outer guide 1.0SERVICE LIMIT: 22.05 mm (0.868 in)