Harley-Davidson KR 750 1955 - Specifications & Review

Introducing the 1955 Harley-Davidson KR 750, a true icon in the realm of Enduro-offroad motorcycles. This bike emerged during a transformative era for Harley-Davidson, as it carved a niche for itself in the competitive landscape of American motorcycles. Designed primarily for racing and off-road performance, the KR 750 showcased Harley's commitment to delivering rugged reliability and spirited performance on varied terrains. Its classic styling, combined with its robust engineering, continues to allure collectors and enthusiasts alike, making it a coveted piece of motorcycle history.

At the heart of the KR 750 lies a powerful V2, four-stroke engine that displaces 744 cc (45.40 cubic inches), generating an impressive 46 horsepower at 6,500 RPM. This robust power plant is mated to a 4-speed gearbox, providing riders with a thrilling top speed of 177 km/h (110 mph). The engine's air-cooled design ensures reliability during extended rides, while the single Tillotson carburetor efficiently delivers fuel, giving this motorcycle a responsive throttle and exhilarating acceleration. Riders can expect a robust performance as they navigate through trails or race circuits, feeling the raw power that has made Harley-Davidson synonymous with American motorcycling.

The KR 750 is not just about raw power; it also boasts distinctive features that enhance its off-road capabilities. The front suspension utilizes a telescopic design, allowing for improved handling and comfort while tackling uneven surfaces. The rear, with its rigid suspension, marries durability with classic aesthetics, providing a stable ride even on rough terrains. Weighing in at 163.3 kg (360 pounds), this bike offers a favorable power-to-weight ratio of 0.2817 HP/kg, giving riders the confidence to push their limits. The magneto ignition system by Fairbanks-Morse further enhances reliability, ensuring that the KR 750 starts effortlessly and performs consistently in various conditions.

PROs:

1. Powerful Engine Performance: With 46 HP at 6,500 RPM, the KR 750 delivers exhilarating acceleration and top speeds, making it perfect for both racing and off-road adventures.
2. Iconic Design: The classic Harley-Davidson styling, combined with rugged features, makes the KR 750 a timeless piece that appeals to collectors and enthusiasts alike.
3. Robust Build Quality: Designed for durability, the rigid rear suspension and sturdy chassis can withstand the rigors of off-road riding, ensuring a reliable experience.

CONs:

1. Limited Comfort: The rigid rear suspension can lead to a harsher ride on bumpy terrains, which may not be suitable for long-distance cruising.
2. Lack of Modern Features: As a vintage motorcycle, it lacks contemporary advancements such as advanced suspension systems and electronic ignition, which can be found in modern bikes.
3. Weight Considerations: At 163.3 kg (360 pounds), it may feel cumbersome for newer riders or those accustomed to lighter motorcycles, especially during low-speed maneuvers.

The 1955 Harley-Davidson KR 750 embodies a blend of performance, heritage, and ruggedness, making it a must-have for anyone passionate about the art of motorcycling.