
Classic motorcycle head-to-head
Yamaha RD125DX vs Yamaha DT125LC
Yamaha RD125DX scores 77/100 overall against Yamaha DT125LC on 77/100. On the road: 63–68. As classics: 90–85. Overall result: A draw.


Photo: Jybumaat · Public domain
Yamaha DT125LC
The numbers
Category-by-category result
| Category | Yamaha RD125DX | Yamaha DT125LC | Advantage |
|---|---|---|---|
| road | |||
| PerformanceDirect comparison of power, acceleration and usable performance across the pre-1990 classic field. | 5 | 6 | Yamaha DT125LC |
| HandlingSteering, stability, weight and real-road manners. | 8 | 8 | Level |
| BrakingDirect comparison of real stopping ability without an age allowance. | 6 | 7 | Yamaha DT125LC |
| 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. | 5 | 6 | Yamaha DT125LC |
| classic | |||
| StylingDesign quality, visual presence and period appeal. | 9 | 8 | Yamaha RD125DX |
| Historical importanceInfluence on motorcycling and importance within its era. | 9 | 8 | Yamaha RD125DX |
| Collector appealLong-term desirability among classic motorcycle enthusiasts. | 9 | 9 | Level |
| CharacterSound, feel, personality and memorable riding experience. | 9 | 9 | Level |
Choose the Yamaha RD125DX if…
you want a proper twin-cylinder learner motorcycle with disc-brake styling, a crisp exhaust note and strong 1970s nostalgia.
Choose the Yamaha DT125LC if…
you want a lively trail-style 125 with strong 1980s appeal, useful road ability and proper two-stroke character.
Background
History
Yamaha RD125DX
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.
Yamaha DT125LC
The Yamaha DT125LC was produced from 1982–1988 and used a 123cc liquid-cooled two-stroke single. Within this comparison library it stands out particularly for collector appeal, character, styling. It suits riders who value the qualities described in its original profile rather than choosing by specification alone.
Interesting details
Did you know?
Yamaha RD125DX
- Its production span in this library runs from 1975 to 1982.
- The recorded engine description is: 124cc air-cooled two-stroke parallel twin.
- Its strongest comparison scores are styling, historic importance, collector appeal.
Yamaha DT125LC
- Its production span in this library runs from 1982 to 1988.
- The recorded engine description is: 123cc liquid-cooled two-stroke single.
- Its strongest comparison scores are collector appeal, character, styling.
Present-day appeal
Collector notes
Yamaha RD125DX
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.
Yamaha DT125LC
Collector interest is strongest where condition, originality and correct period details support the identity of the Yamaha DT125LC. Its library score for collector appeal 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
Buying checks
Yamaha RD125DX
- 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.
Yamaha DT125LC
- 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 Yamaha RD125DX
Rivals to the Yamaha DT125LC
Final result
The verdict
Yamaha DT125LC wins the direct on-the-road comparison. Yamaha RD125DX wins the classic-motorcycle comparison. Their evenly weighted overall scores are tied, so the better choice depends on whether the rider values road ability or classic appeal most.