Refurbshing task list, in no particular order:
Overhaul carbs (1-gallon can of Berryman's Chem-Dip or Gunk brand equivalent is recommended)
Flush transmission, inspect and re-fill
Flush primary case, disassemble clutch stack, inspect (replace parts as required) & re-fill
Flush top end, inspect & adjust valves
Flush crankcase, clean sump screen
Flush oil tank & lines, clean pickup screen @ oil tank, replace filter
Flush forks, inspect, replace seals & boots
Lubricate swingarm spindle w/ heavy OIL (NOT grease)
Flush gas tank (remove petcocks), inspect & replace fuel taps
Inspect entire wiring harness, repair faulty connections as required
Remove wheel bearing covers and re-pack w/ grease (remove if obviously rusted/dry, and replace)
Inspect rear shocks for evidence of fluid leakage, replace if no damping
Inspect steering bearings for free, smooth movement thru range of motion
Inspect and adjust control levers & pedals, lube & adjust as required
Disassemble throttle twistgrip, clean and lube with dry graphite
Inspect main isolastic assemblies and replace as required (if centers are not concentric with housing, or if dry/cracked)
Overhaul brake calipers
Overhaul brake master cylinders
I may be forgetting a few other tasks...