
Photo: Classic & Classy Motorcycles Ltd · Owned by Classic & Classy Motorcycles Ltd
Classic motorcycle head-to-head
Harley-Davidson FLH Shovelhead scores 74/100 overall against Kawasaki KH400 on 81/100. On the road: 58–67. As classics: 90–95. Overall result: Kawasaki KH400.

Photo: Classic & Classy Motorcycles Ltd · Owned by Classic & Classy Motorcycles Ltd

Photo: PSParrot from England · CC BY 2.0
The numbers
| Category | Harley-Davidson FLH | Kawasaki KH400 | Advantage |
|---|---|---|---|
| road | |||
| PerformanceDirect comparison of power, acceleration and usable performance across the pre-1990 classic field. | 5 | 8 | Kawasaki KH400 |
| HandlingSteering, stability, weight and real-road manners. | 4 | 7 | Kawasaki KH400 |
| BrakingDirect comparison of real stopping ability without an age allowance. | 4 | 7 | Kawasaki KH400 |
| ReliabilityEngine, electrics and general dependability when properly maintained. | 5 | 6 | Kawasaki KH400 |
| Ease of ownershipMaintenance, parts supply and access to specialist knowledge. | 8 | 6 | Harley-Davidson FLH |
| ComfortRiding position, vibration and suitability for longer journeys. | 9 | 6 | Harley-Davidson FLH |
| classic | |||
| StylingDesign quality, visual presence and period appeal. | 9 | 9 | Level |
| Historical importanceInfluence on motorcycling and importance within its era. | 9 | 9 | Level |
| Collector appealLong-term desirability among classic motorcycle enthusiasts. | 8 | 10 | Kawasaki KH400 |
| CharacterSound, feel, personality and memorable riding experience. | 10 | 10 | Level |
you want relaxed long-distance presence, unmistakable American V-twin character and traditional Harley styling.
you want charismatic Kawasaki triple-cylinder performance in a more manageable package than the larger Mach models.
Background
The Harley-Davidson FLH Shovelhead was produced from 1966–1984 and used a Air-cooled 45-degree Shovelhead V-twin. Within this comparison library it stands out particularly for character, styling, historic importance. It suits riders who value the qualities described in its original profile rather than choosing by specification alone.
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.
Interesting details
Present-day appeal
Collector interest is strongest where condition, originality and correct period details support the identity of the Harley-Davidson FLH Shovelhead. 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.
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.
Before you buy
Period opposition
Final result
Kawasaki KH400 wins the direct on-the-road comparison. Kawasaki KH400 wins the classic-motorcycle comparison. Kawasaki KH400 takes the overall result after the road and classic scores are weighted equally.