Back to Bike FinderYears: 1929 · 1928 · 1927 · 1926 · 1925 · 1924 · 1923 · 1922 · 1921 · 1920 · 1919 · 1918 · 1917 · 1916 · 1915
Harley-Davidson Model J
1925Allround

Harley-Davidson Model J

Key specifications

Engine
989 cc
Weight
190 kg
Fuel type
petrol
Rear brakes
Expanding brake (drum brake)

Overview

Introducing the 1925 Harley-Davidson Model J: A Classic Allrounder The 1925 Harley-Davidson Model J is a timeless gem in the annals of motorcycle history, representing the quintessential spirit of American motorcycling in the early 20th century. Positioned as an allround motorcycle, the Model J embodies the rugged reliability and performance that Harley-Davidson is renowned for, appealing to both casual riders and those with a thirst for adventure. With its classic lines and solid construction, this motorcycle is not just a means of transportation; it's a piece of art that captures the essence of freedom on two wheels. Engine Performance and Riding Characteristics At the heart of the Model J is a robust V2, four-stroke engine that boasts a displacement of 989 cc (60.35 cubic inches). This powerful engine delivers an exhilarating top speed of 136.8 km/h (85.0 mph), making it a thrilling ride for its time. The bore and stroke measurements of 84.1 mm by 88.9 mm underline its capability to deliver torque and power, providing a satisfying, throaty growl that resonates with enthusiasts. The carburettor fuel system ensures efficient fuel delivery, while the H.D generator ignition provides reliable starts and crisp throttle response. Riders will appreciate the smoothness of the chain final drive, allowing for seamless acceleration as they cruise down the open road or navigate city streets. Key Features and Technology The Model J is equipped with features that reflect its era while also showcasing the advanced engineering of Harley-Davidson. The expanding drum brake at the rear enhances stopping power, ensuring that riders can confidently manage their speed. With a weight of 190 kg (418.9 pounds), the Model J strikes a balance between stability and maneuverability, making it easy to handle both in urban settings and on longer journeys. The motorcycle’s design pays homage to the iconic styling of the 1920s, with elegant curves and a polished finish that make it as attractive as it is functional. The Model J is not just a motorcycle; it’s a statement of craftsmanship and a testament to the enduring legacy of Harley-Davidson. **

Pros

    Cons

    • Classic Design: The Model J features an iconic aesthetic that appeals to vintage motorcycle enthusiasts and collectors.
    • Strong Performance: With a capable engine and impressive top speed for its era, it offers an exhilarating riding experience.
    • Reliable Engineering: Known for its durability, the Model J exemplifies Harley-Davidson's commitment to quality and craftsmanship.
    • Weight: At 190 kg (418.9 pounds), the Model J may be challenging for less experienced riders to manage, especially at low speeds.
    • Limited Modern Features: Lacking contemporary technology, such as advanced braking systems or suspension, it may not meet the expectations of modern riders.
    • Fuel Efficiency: The carburettor system, while effective for its time, is less efficient compared to modern fuel injection systems, leading to higher fuel consumption.

    Technical details

    Source specification data

    Make
    Harley-Davidson
    Model
    Model J
    Category
    Allround
    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
    190.0 kg (418.9 pounds)
    Seat
    Single
    Wheels
    Spoked
    Rear Tyre
    3-26
    Front Tyre
    3-26
    Rear Brakes
    Expanding brake (drum brake)