
Photo: MrOsamaful · CC BY-SA 3.0
Classic motorcycle head-to-head
Suzuki RG125 Gamma scores 79/100 overall against Yamaha RD125DX on 77/100. On the road: 70–63. As classics: 88–90. Overall result: Suzuki RG125 Gamma.

Photo: MrOsamaful · CC BY-SA 3.0

The numbers
| Category | Suzuki RG125 | Yamaha RD125DX | Advantage |
|---|---|---|---|
| road | |||
| PerformanceDirect comparison of power, acceleration and usable performance across the pre-1990 classic field. | 7 | 5 | Suzuki RG125 |
| HandlingSteering, stability, weight and real-road manners. | 9 | 8 | Suzuki RG125 |
| BrakingDirect comparison of real stopping ability without an age allowance. | 8 | 6 | Suzuki RG125 |
| ReliabilityEngine, electrics and general dependability when properly maintained. | 7 | 7 | Level |
| Ease of ownershipMaintenance, parts supply and access to specialist knowledge. | 6 | 7 | Yamaha RD125DX |
| ComfortRiding position, vibration and suitability for longer journeys. | 5 | 5 | Level |
| classic | |||
| StylingDesign quality, visual presence and period appeal. | 9 | 9 | Level |
| Historical importanceInfluence on motorcycling and importance within its era. | 8 | 9 | Yamaha RD125DX |
| Collector appealLong-term desirability among classic motorcycle enthusiasts. | 9 | 9 | Level |
| CharacterSound, feel, personality and memorable riding experience. | 9 | 9 | Level |
you want race-replica looks, a strong two-stroke powerband and the excitement of a small 1980s Suzuki Gamma.
you want a proper twin-cylinder learner motorcycle with disc-brake styling, a crisp exhaust note and strong 1970s nostalgia.
Background
The Suzuki RG125 Gamma was produced from 1985–1989 and used a 124cc liquid-cooled two-stroke single. Within this comparison library it stands out particularly for styling, handling, collector 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 Suzuki RG125 Gamma. 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.
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
Suzuki RG125 Gamma wins the direct on-the-road comparison. Yamaha RD125DX wins the classic-motorcycle comparison. Suzuki RG125 Gamma takes the overall result after the road and classic scores are weighted equally.