Classic and Classy Motorcycles Ltd

1970s Yamaha XS1100 (“Eleven”) Valuation Report

Date: August 2025

Historical Overview

The Yamaha XS1100 was produced from 1978 to 1983 and was Yamaha’s first large-capacity inline-four bike with shaft drive and DOHC. Known as the “Eleven,” it was renowned for performance and build quality.

Valuation Summary (UK Market)

Condition	Estimated Value	Source
Project	£1,200 – £1,500	Car & Classic – £1,289 restoration listing
Running / Light Restoration	£1,500 – £3,000	Iconic Auction – sold for £978
Roadworthy / Good	£3,000 – £5,000	Classic.com – average sale ≈ £4,800
Restored / Excellent	£5,000 – £7,500+	Car & Classic – listing at £7,000

Value Factors

• Original parts (paint, badges, exhausts, etc.) improve value.
• UK V5C registration adds buyer confidence.
• Mechanical condition—shaft drive, DOHC systems—affects usability/value.
• Rarity and collector demand keeps values strong, especially for special editions.

Conclusion

The Yamaha XS1100 remains one of the most valuable Japanese classics in the UK. Projects begin at £1–1.5k; solid runnings sell around £3–5k. Well-documented, clean examples can reach £7k+, especially if rare or restored.

All Valuations