Yamaha RD125DX
77/100 Overall
63 On the road90 As a classic
Classic motorcycle head-to-head
Yamaha RD125DX vs Kawasaki AR125
Yamaha RD125DX scores 77/100 overall against Kawasaki AR125 on 77/100. On the road: 63–65. As classics: 90–88. Overall result: A draw.
Photo: Classic & Classy Motorcycles Ltd · Owned by Classic & Classy Motorcycles Ltd
Kawasaki AR125
77/100 Overall
65 On the road88 As a classic
The numbers
Category-by-category result
| Category | Yamaha RD125DX | Kawasaki AR125 | Advantage |
|---|---|---|---|
| road | |||
| PerformanceDirect comparison of power, acceleration and usable performance across the pre-1990 classic field. | 5 | 6 | Kawasaki AR125 |
| HandlingSteering, stability, weight and real-road manners. | 8 | 8 | Level |
| BrakingDirect comparison of real stopping ability without an age allowance. | 6 | 7 | Kawasaki AR125 |
| ReliabilityEngine, electrics and general dependability when properly maintained. | 7 | 7 | Level |
| Ease of ownershipMaintenance, parts supply and access to specialist knowledge. | 7 | 6 | 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. | 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 Kawasaki AR125 if…
you want a sporty liquid-cooled 1980s learner bike with lively performance and unmistakable Kawasaki styling.
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.
Kawasaki AR125
The Kawasaki AR125 was produced from 1982–1989 and used a 123cc liquid-cooled two-stroke single. Within this comparison library it stands out particularly for styling, collector 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?
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.
Kawasaki AR125
- Its production span in this library runs from 1982 to 1989.
- The recorded engine description is: 123cc liquid-cooled two-stroke single.
- Its strongest comparison scores are styling, collector appeal, character.
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.
Kawasaki AR125
Collector interest is strongest where condition, originality and correct period details support the identity of the Kawasaki AR125. 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
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.
Kawasaki AR125
- 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 Kawasaki AR125
Final result
The verdict
Kawasaki AR125 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.