Parting out an 1989 GS500.

Stock GS500E seat, $55 o.b.o.:

Handlebar switch, $11 per side:

And much more, here's what's gone:

Top Plate and Bars (i.e. the clip-ons)
Signal Rotor
Pulse Generator Assembly
Front brake assembly (including the cable holders)
Back brake assembly, caliper holder, and brake torque arm (including right foot peg assembly)
Front and rear axle and chain tension adjuster
Cush drive
Headlight brackets and dash indicator covers
Tach cable, choke cable, and signal generator cover
Gas tank cap
Engine intake boots
Centre tail piece + body work mounting rubber mushrooms
Pulse generator cover
Right heel guard