
Photo: 1969_Kawasaki_500_H1_MachIII.jpg: Mike Schinkel derivative work: Ligabo (talk) · CC BY 2.0
Classic motorcycle head-to-head
Kawasaki H1 500 Mach III scores 79/100 overall against Suzuki GT750 on 80/100. On the road: 60–70. As classics: 98–90. Overall result: Suzuki GT750.

Photo: 1969_Kawasaki_500_H1_MachIII.jpg: Mike Schinkel derivative work: Ligabo (talk) · CC BY 2.0

Photo: ronsaunders47 · CC BY-SA 2.0
The numbers
| Category | Kawasaki H1 | Suzuki GT750 | Advantage |
|---|---|---|---|
| road | |||
| PerformanceDirect comparison of power, acceleration and usable performance across the pre-1990 classic field. | 9 | 7 | Kawasaki H1 |
| HandlingSteering, stability, weight and real-road manners. | 5 | 6 | Suzuki GT750 |
| BrakingDirect comparison of real stopping ability without an age allowance. | 5 | 6 | Suzuki GT750 |
| ReliabilityEngine, electrics and general dependability when properly maintained. | 6 | 8 | Suzuki GT750 |
| Ease of ownershipMaintenance, parts supply and access to specialist knowledge. | 6 | 7 | Suzuki GT750 |
| ComfortRiding position, vibration and suitability for longer journeys. | 5 | 8 | Suzuki GT750 |
| classic | |||
| StylingDesign quality, visual presence and period appeal. | 9 | 8 | Kawasaki H1 |
| Historical importanceInfluence on motorcycling and importance within its era. | 10 | 9 | Kawasaki H1 |
| Collector appealLong-term desirability among classic motorcycle enthusiasts. | 10 | 9 | Kawasaki H1 |
| CharacterSound, feel, personality and memorable riding experience. | 10 | 10 | Level |
you want explosive two-stroke acceleration, outrageous period character and one of Kawasaki's most famous motorcycles.
you want smooth two-stroke touring, unusual liquid-cooled engineering and unmistakable triple-cylinder character.
Background
The Kawasaki H1 500 Mach III was produced from 1969–1976 and used a 498cc air-cooled two-stroke triple. 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.
The Suzuki GT750 was produced from 1971–1977 and used a 738cc liquid-cooled two-stroke triple. Within this comparison library it stands out particularly for character, 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 Kawasaki H1 500 Mach III. 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.
Collector interest is strongest where condition, originality and correct period details support the identity of the Suzuki GT750. 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
Period opposition
Final result
Suzuki GT750 wins the direct on-the-road comparison. Kawasaki H1 500 Mach III wins the classic-motorcycle comparison. Suzuki GT750 takes the overall result after the road and classic scores are weighted equally.