
Photo: Michiel1972 at Dutch Wikipedia · CC BY-SA 3.0
Classic motorcycle head-to-head
Honda SS50 scores 73/100 overall against Kawasaki Z1 900 on 87/100. On the road: 58–73. As classics: 88–100. Overall result: Kawasaki Z1 900.

Photo: Michiel1972 at Dutch Wikipedia · CC BY-SA 3.0

The numbers
| Category | Honda SS50 | Kawasaki Z1 | Advantage |
|---|---|---|---|
| road | |||
| PerformanceDirect comparison of power, acceleration and usable performance across the pre-1990 classic field. | 2 | 9 | Kawasaki Z1 |
| HandlingSteering, stability, weight and real-road manners. | 7 | 6 | Honda SS50 |
| BrakingDirect comparison of real stopping ability without an age allowance. | 4 | 6 | Kawasaki Z1 |
| ReliabilityEngine, electrics and general dependability when properly maintained. | 9 | 8 | Honda SS50 |
| Ease of ownershipMaintenance, parts supply and access to specialist knowledge. | 8 | 8 | Level |
| ComfortRiding position, vibration and suitability for longer journeys. | 5 | 7 | Kawasaki Z1 |
| classic | |||
| StylingDesign quality, visual presence and period appeal. | 9 | 10 | Kawasaki Z1 |
| Historical importanceInfluence on motorcycling and importance within its era. | 9 | 10 | Kawasaki Z1 |
| Collector appealLong-term desirability among classic motorcycle enthusiasts. | 9 | 10 | Kawasaki Z1 |
| CharacterSound, feel, personality and memorable riding experience. | 8 | 10 | Kawasaki Z1 |
you want smooth four-stroke Honda engineering, classic sports-moped styling and a gentler alternative to the two-stroke crowd.
you want muscular 1970s superbike performance, imposing styling and major Japanese collector status.
Background
The Honda SS50 was produced from 1967–1977 and used a 49cc air-cooled four-stroke single. Within this comparison library it stands out particularly for styling, reliability, historic importance. It suits riders who value the qualities described in its original profile rather than choosing by specification alone.
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.
Interesting details
Present-day appeal
Collector interest is strongest where condition, originality and correct period details support the identity of the Honda SS50. 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.
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.
Before you buy
Period opposition
Final result
Kawasaki Z1 900 wins the direct on-the-road comparison. Kawasaki Z1 900 wins the classic-motorcycle comparison. Kawasaki Z1 900 takes the overall result after the road and classic scores are weighted equally.