Triumph Bonneville T120
82/100 Overall
65 On the road98 As a classic
Classic motorcycle head-to-head
Triumph Bonneville T120 vs Yamaha RS100
Triumph Bonneville T120 scores 82/100 overall against Yamaha RS100 on 68/100. On the road: 65–62. As classics: 98–73. Overall result: Triumph Bonneville T120.
Photo: Seán Pòl Ó Creachmhaoil · CC BY-SA 4.0
Yamaha RS100
68/100 Overall
62 On the road73 As a classic
The numbers
Category-by-category result
| Category | Triumph Bonneville | Yamaha RS100 | Advantage |
|---|---|---|---|
| road | |||
| PerformanceDirect comparison of power, acceleration and usable performance across the pre-1990 classic field. | 6 | 4 | Triumph Bonneville |
| HandlingSteering, stability, weight and real-road manners. | 8 | 7 | Triumph Bonneville |
| BrakingDirect comparison of real stopping ability without an age allowance. | 5 | 5 | Level |
| ReliabilityEngine, electrics and general dependability when properly maintained. | 6 | 8 | Yamaha RS100 |
| Ease of ownershipMaintenance, parts supply and access to specialist knowledge. | 8 | 8 | Level |
| ComfortRiding position, vibration and suitability for longer journeys. | 6 | 5 | Triumph Bonneville |
| classic | |||
| StylingDesign quality, visual presence and period appeal. | 10 | 7 | Triumph Bonneville |
| Historical importanceInfluence on motorcycling and importance within its era. | 10 | 7 | Triumph Bonneville |
| Collector appealLong-term desirability among classic motorcycle enthusiasts. | 9 | 7 | Triumph Bonneville |
| CharacterSound, feel, personality and memorable riding experience. | 10 | 8 | Triumph Bonneville |
Choose the Triumph Bonneville if…
you value lightness, accessible mechanical simplicity and the sound and feel of a classic British twin.
Choose the Yamaha RS100 if…
you want a simple, light and economical Yamaha that represents everyday British learner transport in the late 1970s.
Background
History
Triumph Bonneville
The Triumph Bonneville T120 was produced from 1959–1973 and used a 649cc air-cooled parallel twin. Within this comparison library it stands out particularly for styling, historic importance, character. It suits riders who value the qualities described in its original profile rather than choosing by specification alone.
Yamaha RS100
The Yamaha RS100 was produced from 1975–1980 and used a 97cc air-cooled two-stroke single. Within this comparison library it stands out particularly for reliability, ownership appeal, character. It suits riders who value the qualities described in its original profile rather than choosing by specification alone.
Interesting details
Did you know?
Triumph Bonneville
- Its production span in this library runs from 1959 to 1973.
- The recorded engine description is: 649cc air-cooled parallel twin.
- Its strongest comparison scores are styling, historic importance, character.
Yamaha RS100
- Its production span in this library runs from 1975 to 1980.
- The recorded engine description is: 97cc air-cooled two-stroke single.
- Its strongest comparison scores are reliability, ownership appeal, character.
Present-day appeal
Collector notes
Triumph Bonneville
Collector interest is strongest where condition, originality and correct period details support the identity of the Triumph Bonneville T120. Its library score for styling 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.
Yamaha RS100
Collector interest is strongest where condition, originality and correct period details support the identity of the Yamaha RS100. Its library score for reliability is 8/10. Values and desirability can vary substantially between years, specifications and restoration quality, so individual examples should be assessed on their own evidence.
Before you buy
Buying checks
Triumph Bonneville
- 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.
Yamaha RS100
- Confirm the frame and engine identity match the advertised model and year.
- Check cold starting, smoke, oil leaks and unusual mechanical noise.
- Check the oil-injection or premix arrangement, crank seals and exhaust condition carefully.
- 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.
Period opposition
Historic rivals
Rivals to the Triumph Bonneville
Rivals to the Yamaha RS100
Final result
The verdict
Triumph Bonneville T120 wins the direct on-the-road comparison. Triumph Bonneville T120 wins the classic-motorcycle comparison. Triumph Bonneville T120 takes the overall result after the road and classic scores are weighted equally.