
Photo: User:Tokino · CC BY-SA 3.0
Classic motorcycle head-to-head
Honda CB125T scores 74/100 overall against Yamaha RD125DX on 77/100. On the road: 68–63. As classics: 80–90. Overall result: Yamaha RD125DX.

Photo: User:Tokino · CC BY-SA 3.0

The numbers
| Category | Honda CB125T | Yamaha RD125DX | Advantage |
|---|---|---|---|
| road | |||
| PerformanceDirect comparison of power, acceleration and usable performance across the pre-1990 classic field. | 5 | 5 | Level |
| HandlingSteering, stability, weight and real-road manners. | 8 | 8 | Level |
| BrakingDirect comparison of real stopping ability without an age allowance. | 6 | 6 | Level |
| ReliabilityEngine, electrics and general dependability when properly maintained. | 8 | 7 | Honda CB125T |
| Ease of ownershipMaintenance, parts supply and access to specialist knowledge. | 8 | 7 | Honda CB125T |
| ComfortRiding position, vibration and suitability for longer journeys. | 6 | 5 | Honda CB125T |
| classic | |||
| StylingDesign quality, visual presence and period appeal. | 8 | 9 | Yamaha RD125DX |
| Historical importanceInfluence on motorcycling and importance within its era. | 8 | 9 | Yamaha RD125DX |
| Collector appealLong-term desirability among classic motorcycle enthusiasts. | 8 | 9 | Yamaha RD125DX |
| CharacterSound, feel, personality and memorable riding experience. | 8 | 9 | Yamaha RD125DX |
you want a sophisticated small Honda twin with eager revs, useful road manners and strong learner-bike nostalgia.
you want a proper twin-cylinder learner motorcycle with disc-brake styling, a crisp exhaust note and strong 1970s nostalgia.
Background
The Honda CB125T was produced from 1977–1988 and used a 124cc air-cooled four-stroke parallel twin. Within this comparison library it stands out particularly for styling, reliability, ownership appeal. It suits riders who value the qualities described in its original profile rather than choosing by specification alone.
The Yamaha RD125DX was produced from 1975–1982 and used a 124cc air-cooled two-stroke parallel twin. Within this comparison library it stands out particularly for styling, historic importance, collector appeal. It suits riders who value the qualities described in its original profile rather than choosing by specification alone.
Interesting details
Present-day appeal
Collector interest is strongest where condition, originality and correct period details support the identity of the Honda CB125T. Its library score for styling 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.
Collector interest is strongest where condition, originality and correct period details support the identity of the Yamaha RD125DX. Its library score for styling is 9/10. 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
Period opposition
Final result
Honda CB125T wins the direct on-the-road comparison. Yamaha RD125DX wins the classic-motorcycle comparison. Yamaha RD125DX takes the overall result after the road and classic scores are weighted equally.