On the bike, all the time.
Throttle pull cable, in place.
J-box
All bulbs
Shift linkage
Add on a trip:
Petcock
Front wheel bearings.
Speedo cable.
At home add brake pads, rear wheel bearings, tires, throttle push cable, alternator, K-trac, rear shock, coils and wires, ignitor, well gaskets, valve adjuster screws and nuts, air filter, oil filters, crush washers, grip heater, clutch star spring kit and nut, spark plug, cruise control(complete kit plus an extra servo), assorted Murphs' screws, rear TS assembly, saddle bag for parts, and more flotsam.