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Harley-Davidson Model J
1919Allround

Harley-Davidson Model J

Key specifications

Engine
989 cc
Power
17 HP
Weight
145 kg
Fuel type
petrol
Rear brakes
Expanding brake (drum brake)

Overview

### Introducing the 1919 Harley-Davidson Model J Steeped in the rich legacy of American motorcycling, the 1919 Harley-Davidson Model J stands as a testament to the brand's commitment to quality and innovation. Positioned as an allround motorcycle, the Model J was designed to cater to a variety of riders, from those seeking leisurely rides to those looking for reliable transportation. With its classic styling and robust engineering, this model not only captures the spirit of the early 20th century but also embodies the essence of freedom that motorcycling represents. The Model J was part of Harley-Davidson's growing family of motorcycles, appealing to a wide demographic, including adventurous spirits and practical commuters alike. ### Engine Performance and Riding Characteristics At the heart of the 1919 Model J lies a powerful V2, four-stroke engine with a displacement of 989cc (60.35 cubic inches). This robust powerplant delivers a respectable 17 horsepower at 3200 RPM, allowing the motorcycle to reach a top speed of 136.8 km/h (85.0 mph). The engine's bore and stroke dimensions (84.1 x 88.9 mm) contribute to its smooth performance and torque characteristics, making it ideal for both city cruising and open-road adventures. The Model J’s lightweight frame, tipping the scales at just 145 kg (319.7 pounds), combines with a power-to-weight ratio of 0.1172 HP/kg, providing a responsive and enjoyable riding experience. Enthusiasts will appreciate the Model J’s ability to navigate twists and turns with agility while still providing the stability needed on longer journeys. ### Key Features and Technology The Harley-Davidson Model J is not just about power; it’s a showcase of innovative features for its time. The motorcycle employs a classic carburettor fuel system, ensuring reliable fuel delivery and efficient combustion. Its ignition system, powered by a Harley-Davidson generator, contributes to the Model J's dependable start-up and operation. Riders will also find the final drive mechanism, a chain, straightforward and effective, providing direct power transfer to the rear wheel. The rear braking system features an expanding drum brake, offering adequate stopping power for a motorcycle of this era. Altogether, the Model J marries vintage aesthetics with functional technology, making it a cherished piece of history for motorcycle aficionados. ###

Pros

    Cons

    • Timeless Design: The Model J features classic styling that appeals to vintage motorcycle enthusiasts and collectors.
    • Dependable Performance: With a strong engine output and responsive handling, the Model J is reliable for both city and country rides.
    • Historical Significance: As part of Harley-Davidson's early lineup, the Model J represents a pivotal moment in motorcycle history, making it a prized possession.
    • Limited Power: With only 17 HP, the Model J may not satisfy those seeking high-performance modern motorcycles.
    • Basic Technology: The motorcycle lacks some modern conveniences, such as electric start and advanced braking systems, which may deter some riders.
    • Weight Considerations: At 145 kg, the Model J may feel heavy for novice riders, especially when maneuvering in tight spaces or during slow-speed turns.

    Technical details

    Source specification data

    Make
    Harley-Davidson
    Model
    Model J
    Category
    Allround
    Power
    17.00 HP (12.4 kW)) @ 3200 RPM
    Ignition
    H.D generator
    Top Speed
    136.8 km/h (85.0 mph)
    Fuel System
    Carburettor
    Bore X Stroke
    84.1 x 88.9 mm (3.3 x 3.5 inches)
    Displacement
    989.00 ccm (60.35 cubic inches)
    Engine Details
    V2, four-stroke
    Transmission Type Final Drive
    Chain
    Dry Weight
    145.0 kg (319.7 pounds)
    Power Weight Ratio
    0.1172 HP/kg
    Seat
    Single
    Wheels
    Spoked
    Rear Tyre
    3-28
    Front Tyre
    3-28
    Rear Brakes
    Expanding brake (drum brake)