1973–1980 Yamaha RD250 / RD400 Valuation Report

Date: March 2025

Historical Overview

The Yamaha RD series, notably the RD250 and RD400 models produced between 1973 and 1980, are iconic in the world of two-stroke motorcycles. The RD250 featured a 247cc parallel-twin engine, while the RD400 housed a 398cc engine. Both models were renowned for their performance, agility, and distinctive exhaust note, making them favorites among enthusiasts and racers alike.

Valuation Analysis

Market values for the Yamaha RD250 and RD400 vary based on condition:

Project Condition: Non-running motorcycles requiring full restoration typically range from £2,000 to £4,000. These units often lack original parts and need significant investment to restore. For example, a 1973 Yamaha RD250 unregistered US import classic restoration project is listed at £2,499.99. (Source)
Roadworthy Condition: Operational RD250s and RD400s with signs of use generally command between £4,500 and £7,500. For instance, a 1977 Yamaha RD400D US import running UK registered classic restoration project is listed at £3,750. (Source)
Restored/Mint Condition: Fully restored or well-preserved models can fetch between £8,000 and £12,000. Notably, a 1978 Yamaha RD400E with low mileage is listed at £7,800. (Source)

Factors Influencing Valuation

Originality: Bikes retaining original parts and factory specifications typically have higher values.
Condition: The mechanical and cosmetic state significantly impacts valuation.
Model Variants: Certain models, like the RD400C, are more sought after due to their performance enhancements.
Market Demand: Current interest in classic two-stroke motorcycles affects prices.

Conclusion

The Yamaha RD250 and RD400's legacy ensures their continued desirability among enthusiasts. Valuations vary based on condition, originality, model variants, and market trends. Prospective buyers and sellers should consider these factors when assessing value.

All Valuations