Kawasaki Z1 900
87/100 Overall
73 On the road100 As a classic
Classic motorcycle head-to-head
Kawasaki Z1 900 vs Yamaha RD500LC
Kawasaki Z1 900 scores 87/100 overall against Yamaha RD500LC on 84/100. On the road: 73–68. As classics: 100–100. Overall result: Kawasaki Z1 900.
Yamaha RD500LC
84/100 Overall
68 On the road100 As a classic
The numbers
Category-by-category result
| Category | Kawasaki Z1 | Yamaha RD500LC | Advantage |
|---|---|---|---|
| road | |||
| PerformanceDirect comparison of power, acceleration and usable performance across the pre-1990 classic field. | 9 | 9 | Level |
| HandlingSteering, stability, weight and real-road manners. | 6 | 8 | Yamaha RD500LC |
| BrakingDirect comparison of real stopping ability without an age allowance. | 6 | 7 | Yamaha RD500LC |
| ReliabilityEngine, electrics and general dependability when properly maintained. | 8 | 6 | Kawasaki Z1 |
| Ease of ownershipMaintenance, parts supply and access to specialist knowledge. | 8 | 6 | Kawasaki Z1 |
| ComfortRiding position, vibration and suitability for longer journeys. | 7 | 5 | Kawasaki Z1 |
| classic | |||
| StylingDesign quality, visual presence and period appeal. | 10 | 10 | Level |
| Historical importanceInfluence on motorcycling and importance within its era. | 10 | 10 | Level |
| Collector appealLong-term desirability among classic motorcycle enthusiasts. | 10 | 10 | Level |
| CharacterSound, feel, personality and memorable riding experience. | 10 | 10 | Level |
Choose the Kawasaki Z1 if…
you want muscular 1970s superbike performance, imposing styling and major Japanese collector status.
Choose the Yamaha RD500LC if…
you want genuine Grand Prix-inspired engineering, explosive two-stroke performance and one of Yamaha's most memorable road-going race replicas.
Background
History
Kawasaki Z1
The Kawasaki Z1 900 was produced from 1972–1975 and used a 903cc air-cooled DOHC inline four. 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 RD500LC
The Yamaha RD500LC was produced from 1984–1986 and used a 499cc liquid-cooled two-stroke V4. Within this comparison library it stands out particularly for character, collector appeal and historic importance. It is included as an important reference point for comparisons with its closest period rivals.
Interesting details
Did you know?
Kawasaki Z1
- Its production span in this library runs from 1972 to 1975.
- The recorded engine description is: 903cc air-cooled DOHC inline four.
- Its strongest comparison scores are styling, historic importance, collector appeal.
Yamaha RD500LC
- Its production span in this library runs from 1984 to 1986.
- The recorded engine description is: 499cc liquid-cooled two-stroke V4.
- Its strongest comparison scores are character, collector appeal and historic importance.
Present-day appeal
Collector notes
Kawasaki Z1
Collector interest is strongest where condition, originality and correct period details support the identity of the Kawasaki Z1 900. Its library score for styling 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 RD500LC
Collector interest is strongest where condition, originality and correct period details support the identity of the Yamaha RD500LC. 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
Kawasaki Z1
- Confirm the frame and engine identity match the advertised model and year.
- Check cold starting, smoke, oil leaks and unusual mechanical noise.
- Check carburettor balance, charging output and exhaust condition across all cylinders.
- 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 RD500LC
- 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 system, crank seals, cooling system 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 Kawasaki Z1
Rivals to the Yamaha RD500LC
Final result
The verdict
Kawasaki Z1 900 wins the direct on-the-road comparison. As classic motorcycles they also finish level. Kawasaki Z1 900 takes the overall result after the road and classic scores are weighted equally.