Triumph Bonneville T140

History and character

The Triumph Bonneville T140 was produced from 1973–1983 and used a 744cc air-cooled parallel twin. Within this comparison library it stands out particularly for character, styling, historic importance. It suits riders who value the qualities described in its original profile rather than choosing by specification alone.

Specifications

Comparison scores

Did you know?

• Its production span in this library runs from 1973 to 1983.
• The recorded engine description is: 744cc air-cooled parallel twin.
• Its strongest comparison scores are character, styling, historic importance.

Collector notes

Collector interest is strongest where condition, originality and correct period details support the identity of the Triumph Bonneville T140. Its library score for character is 10/10. Values and desirability can vary substantially between years, specifications and restoration quality, so individual examples should be assessed on their own evidence.

Buying checks

• Confirm the frame and engine identity match the advertised model and year.
• Check cold starting, smoke, oil leaks and unusual mechanical noise.
• Check vibration-related fasteners, primary drive condition and signs of persistent oil leakage.
• Inspect the frame, wheels, brakes and suspension for wear, damage or poor repairs.
• Verify that important model-specific parts have not been replaced with incorrect later components.
• Review the paperwork, ownership history and any restoration invoices before purchase.

Compare the Triumph T140