Classic and Classy Motorcycles Ltd

Vintage and Classic Motorcycle Importers

1970s Triumph T250T Trailblazer 250 cc Valuation Report

Date: August 2025

Historical Overview

The Triumph T250T Trailblazer (early 1970s) was a 250 cc British-built trail bike featuring oil-in-frame lubrication and rugged styling tailored for off-road use. It’s a rare sight in the UK today and valued by enthusiasts for its utilitarian appeal.

UK Valuation Summary (by condition)

Condition	Estimated Value (GBP)	Example External Source
Project / Restoration Non-running or in unrestored condition.	£2,500 – £3,500	Bring-a-Trailer (US sale): 1971 Trailblazer cosmetic/restored sold USD $4,350 (~£3,500) for context only.
Roadworthy / Presentable Running bike in sound riding condition.	£3,800 – £5,500	Car & Classic listing: 1971 T25T listed at £5,500 (Worcestershire dealer). UK classifieds for Trailblazer mint runs ~£4,000.
Restored / Excellent Fully restored with matching numbers and correct trim.	£6,000 – £8,000	Historic restorations of T25SS (scrambler variant) sold for £4,760 at Historics UK; Trailblazer restored examples tend to demand more.

Notes: The Bring-a-Trailer result provides a reference point where UK data is scarce but is used for context only. UK listings and historic sales anchor the value ranges for presentable and restored condition.

Value Influencing Factors

Originality & matching numbers: Correct Trailblazer tank, frame color, and engine numbers matter.
Mechanical condition: Running condition, oil-in-frame integrity, carburation, and suspension play a big role.
Documentation: V5C, restoration history, old MOTs, and import/redocumentation evidence enhance value.
Niche appeal: Small-bore British trail bikes have a devoted collector base in the UK, especially rare models like the T250T.

Conclusion

In the UK today, expect T250T prices to land around £2.5k–£3.5k for project bikes, £3.8k–£5.5k for roadworthy examples, and £6k–£8k for high-quality restored models. Exceptional documented bikes may fetch more.

Sources (plain text):
Car & Classic – 1971 T25T Trailblazer listed at £5,500 by a Worcestershire dealer.
Bring-a-Trailer – 1971 Trailblazer sold for USD $4,350 (~£3,500) in US (for reference only).
Historics UK – 1970 T25SS fully restored sold for £4,760.