Photo: PSParrot from England · CC BY 2.0
Kawasaki KH400
81/100 Overall
67 On the road95 As a classic
Classic motorcycle head-to-head
Kawasaki KH400 vs Triumph Bonneville T120
Kawasaki KH400 scores 81/100 overall against Triumph Bonneville T120 on 82/100. On the road: 67–65. As classics: 95–98. Overall result: Triumph Bonneville T120.
Triumph Bonneville T120
82/100 Overall
65 On the road98 As a classic
The numbers
Category-by-category result
| Category | Kawasaki KH400 | Triumph Bonneville | Advantage |
|---|---|---|---|
| road | |||
| PerformanceDirect comparison of power, acceleration and usable performance across the pre-1990 classic field. | 8 | 6 | Kawasaki KH400 |
| HandlingSteering, stability, weight and real-road manners. | 7 | 8 | Triumph Bonneville |
| BrakingDirect comparison of real stopping ability without an age allowance. | 7 | 5 | Kawasaki KH400 |
| ReliabilityEngine, electrics and general dependability when properly maintained. | 6 | 6 | Level |
| Ease of ownershipMaintenance, parts supply and access to specialist knowledge. | 6 | 8 | Triumph Bonneville |
| ComfortRiding position, vibration and suitability for longer journeys. | 6 | 6 | Level |
| classic | |||
| StylingDesign quality, visual presence and period appeal. | 9 | 10 | Triumph Bonneville |
| Historical importanceInfluence on motorcycling and importance within its era. | 9 | 10 | Triumph Bonneville |
| Collector appealLong-term desirability among classic motorcycle enthusiasts. | 10 | 9 | Kawasaki KH400 |
| CharacterSound, feel, personality and memorable riding experience. | 10 | 10 | Level |
Choose the Kawasaki KH400 if…
you want charismatic Kawasaki triple-cylinder performance in a more manageable package than the larger Mach models.
Choose the Triumph Bonneville if…
you value lightness, accessible mechanical simplicity and the sound and feel of a classic British twin.
Background
History
Kawasaki KH400
The Kawasaki KH400 was produced from 1976–1978 and used a 400cc air-cooled two-stroke triple. Within this comparison library it stands out particularly for collector appeal, character, styling. It suits riders who value the qualities described in its original profile rather than choosing by specification alone.
Triumph Bonneville
The Triumph Bonneville T120 was produced from 1959–1973 and used a 649cc air-cooled parallel twin. Within this comparison library it stands out particularly for styling, historic importance, character. It suits riders who value the qualities described in its original profile rather than choosing by specification alone.
Interesting details
Did you know?
Kawasaki KH400
- Its production span in this library runs from 1976 to 1978.
- The recorded engine description is: 400cc air-cooled two-stroke triple.
- Its strongest comparison scores are collector appeal, character, styling.
Triumph Bonneville
- Its production span in this library runs from 1959 to 1973.
- The recorded engine description is: 649cc air-cooled parallel twin.
- Its strongest comparison scores are styling, historic importance, character.
Present-day appeal
Collector notes
Kawasaki KH400
Collector interest is strongest where condition, originality and correct period details support the identity of the Kawasaki KH400. Its library score for collector appeal 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.
Triumph Bonneville
Collector interest is strongest where condition, originality and correct period details support the identity of the Triumph Bonneville T120. 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
Buying checks
Kawasaki KH400
- 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.
Triumph Bonneville
- Confirm the frame and engine identity match the advertised model and year.
- Check cold starting, smoke, oil leaks and unusual mechanical noise.
- Check vibration-related fasteners, primary drive condition and signs of persistent oil leakage.
- 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 KH400
Rivals to the Triumph Bonneville
Final result
The verdict
Kawasaki KH400 wins the direct on-the-road comparison. Triumph Bonneville T120 wins the classic-motorcycle comparison. Triumph Bonneville T120 takes the overall result after the road and classic scores are weighted equally.