2006 Honda TRX680 Rincon Factory Service Manual, Page 488Get this manual
REAR DRIVING MECHANISM Install the shock absorber upper mounting bolt and new nut, and tighten it securelyInstall the following:wheel hub (page 16-9)Right side:right side cover (page 3-5) Leftside:oil filler lid (page 3-8)seat (page 3-4)
FINAL DRIVE REMOVAL
Drain the final gear case oil (page 4-15)Remove the following: engine guard (page 3-17) rear brake caliper without disconnecting the brake hose (page 17-27) drive shafts (page 19-6) pivot nuts and bolts suspension armshock absorber assemblies