xs650 wiring harness | eBay Find great deals on eBay for xs650 wiring harness. Shop with confidence. Skip to main content. eBay Logo: Shop by category. Shop by category. Enter your search keyword #3209 Yamaha XS650 XS 650 XS1 650 Electrical Wiring Harness / Loom. Pre-Owned. $39. Buy It Yamaha XS650 Wire Terminals, Connectors, Relays and With TC Bros Coppers’ wiring harnesses, your Yamaha XS ride will operate smoothly and reliably. We also have XS650 6-pole plug connector kits and digital control units from MotoGadget, as well as fuse boxes, wiring connector sets, metric terminals and terminal covers to meet your Classic Yamaha motorcycle rewiring needs.