2006 Honda TRX680 Rincon Factory Service Manual, Page 403Get this manual
REAR WHEELSUSPENSION Remove the pivot collars and the dust seals from the upper armCheck the pivot bearings for wear or damageFor bearing replacement (page 16-13)
COLLARS
Check the pivot bushings in the knuckle for wear or damage
BUSHINGS
SHOCK ABSORBER Remove the upper pivot collarCheck the pivot bushings for wear or damageCheck the damper unit for leaks or other damage