1978-1981 Yamaha XS1100 Four Cylinder Online Service This 242 page pdf document, 1978-1981 Yamaha XS1100 Service Manual is a reproduction of the original out of print repair manual. This manual was originally written by Yamaha Motor Company for use by Authorized Yamaha Dealers and their qualified motorcycle mechanics. xs1100 wiring | eBay Find great deals on eBay for xs1100 wiring. Shop with confidence. Skip to main content. eBay Logo: Yamaha Owners Manual w/ Wiring Diagram 1980 XS1100G XS1100 G LIT-11626-08-24 E. Pre-Owned. $44. Buy It Now 1978 78-81 Yamaha XS1100 OEM Wiring Harness Breather Hose Clamps Stays Holders See more like this. Motorcycle Wiring Diagrams - Cycle Terminal Color Motorcycle wiring diagrams for classic bikes, cruisers,Japanese, Europian and Domestictrical Ternminals, Connectors and Supplies. 78-79 XS1100. 1980 GS850. 91-92 GSX-R750. I am trying to offer some extras, like wiring diagrams and the service manuals for download. It gets very time consuming and expensive doing this. New Wires in Old Coils - XS11 New Wires in Old Coils. by Bill Kingson. Photos by Blaine Hoopes Wire update from Dave Norton The ones on my 1981 XS1100 SH are a little smaller, but similar in appearance. I imagine they're similar internally, but I haven't tried this procedure on the newer ones. Then, widen the opening to expose more of the wire insulation. See diagram.