Engineered by Harley-Davidson for the sport motorcycle segment, the 1953 Harley-Davidson KR pairs a 743 cc (45.3 cu in) air-cooled flathead 45 degree engine architecture with road-focused gearing. In factory specification, peak output is rated at 37 HP (27 kW), transferring power to the rear wheel through a 4-speed gearbox and chain final drive. With a specific output of 49.8 HP per liter, the engine character is prioritizing low-RPM tractability, mechanical longevity and relaxed throttle response over peak redline numbers.
Rider ergonomics and chassis geometry center around a 1 mm (0 in) wheelbase engineered for quick, flickable steering geometry. The 17-liter (4.5 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 129 km/h (80 mph).
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.