
Photo: globalsuzuki · Public domain
Classic motorcycle head-to-head
Suzuki GT185 scores 74/100 overall against Yamaha RD125DX on 77/100. On the road: 67–63. As classics: 80–90. Overall result: Yamaha RD125DX.

Photo: globalsuzuki · Public domain

The numbers
| Category | Suzuki GT185 | Yamaha RD125DX | Advantage |
|---|---|---|---|
| road | |||
| PerformanceDirect comparison of power, acceleration and usable performance across the pre-1990 classic field. | 6 | 5 | Suzuki GT185 |
| 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. | 7 | 7 | Level |
| Ease of ownershipMaintenance, parts supply and access to specialist knowledge. | 7 | 7 | Level |
| ComfortRiding position, vibration and suitability for longer journeys. | 6 | 5 | Suzuki GT185 |
| classic | |||
| StylingDesign quality, visual presence and period appeal. | 8 | 9 | Yamaha RD125DX |
| Historical importanceInfluence on motorcycling and importance within its era. | 7 | 9 | Yamaha RD125DX |
| Collector appealLong-term desirability among classic motorcycle enthusiasts. | 8 | 9 | Yamaha RD125DX |
| CharacterSound, feel, personality and memorable riding experience. | 9 | 9 | Level |
you want a light two-stroke twin with distinctive Suzuki styling, useful performance and strong 1970s character.
you want a proper twin-cylinder learner motorcycle with disc-brake styling, a crisp exhaust note and strong 1970s nostalgia.
Background
The Suzuki GT185 was produced from 1973–1977 and used a 184cc air-cooled two-stroke parallel twin. Within this comparison library it stands out particularly for character, styling, handling. 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 GT185. Its library score for character 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 GT185 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.