
Classic motorcycle head-to-head
Suzuki GT250 X7 vs Yamaha RD400
Suzuki GT250 X7 scores 85/100 overall against Yamaha RD400 on 81/100. On the road: 72–73. As classics: 98–88. Overall result: Suzuki GT250 X7.


Photo: Schreiberling58 · CC BY-SA 3.0
Yamaha RD400
The numbers
Category-by-category result
| Category | Suzuki X7 | Yamaha RD400 | Advantage |
|---|---|---|---|
| road | |||
| PerformanceDirect comparison of power, acceleration and usable performance across the pre-1990 classic field. | 8 | 8 | Level |
| HandlingSteering, stability, weight and real-road manners. | 9 | 9 | Level |
| BrakingDirect comparison of real stopping ability without an age allowance. | 7 | 7 | 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. | 5 | 6 | Yamaha RD400 |
| classic | |||
| StylingDesign quality, visual presence and period appeal. | 9 | 8 | Suzuki X7 |
| Historical importanceInfluence on motorcycling and importance within its era. | 10 | 8 | Suzuki X7 |
| Collector appealLong-term desirability among classic motorcycle enthusiasts. | 10 | 9 | Suzuki X7 |
| CharacterSound, feel, personality and memorable riding experience. | 10 | 10 | Level |
Choose the Suzuki X7 if…
you want the light, fast 250 that became a British learner legend and one of Suzuki's most memorable road bikes.
Choose the Yamaha RD400 if…
you want sharp two-stroke performance, light handling and one of Yamaha's most entertaining road motorcycles.
Background
History
Suzuki X7
The Suzuki GT250 X7 was produced from 1978–1981 and used a 247cc air-cooled two-stroke parallel twin. Within this comparison library it stands out particularly for historic importance, collector appeal, character. It suits riders who value the qualities described in its original profile rather than choosing by specification alone.
Yamaha RD400
The Yamaha RD400 was produced from 1976–1979 and used a 398cc air-cooled two-stroke parallel twin. Within this comparison library it stands out particularly for character, handling, collector appeal. It suits riders who value the qualities described in its original profile rather than choosing by specification alone.
Interesting details
Did you know?
Suzuki X7
- Its production span in this library runs from 1978 to 1981.
- The recorded engine description is: 247cc air-cooled two-stroke parallel twin.
- Its strongest comparison scores are historic importance, collector appeal, character.
Yamaha RD400
- Its production span in this library runs from 1976 to 1979.
- The recorded engine description is: 398cc air-cooled two-stroke parallel twin.
- Its strongest comparison scores are character, handling, collector appeal.
Present-day appeal
Collector notes
Suzuki X7
Collector interest is strongest where condition, originality and correct period details support the identity of the Suzuki GT250 X7. Its library score for historic importance is 10/10. Values and desirability can vary substantially between years, specifications and restoration quality, so individual examples should be assessed on their own evidence.
Yamaha RD400
Collector interest is strongest where condition, originality and correct period details support the identity of the Yamaha RD400. Its library score for character is 10/10. 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
Suzuki X7
- 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 RD400
- 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 Suzuki X7
Rivals to the Yamaha RD400
Final result
The verdict
Yamaha RD400 wins the direct on-the-road comparison. Suzuki GT250 X7 wins the classic-motorcycle comparison. Suzuki GT250 X7 takes the overall result after the road and classic scores are weighted equally.