
Harley-Davidson Model J
Key specifications
Overview
### 1921 Harley-Davidson Model J: A Timeless Classic Step into the roaring '20s, an era defined by innovation and the spirit of freedom, and you'll find the 1921 Harley-Davidson Model J standing out as a quintessential motorcycle of its time. Positioned as an all-rounder, this motorcycle epitomizes the American dream of exploration on two wheels. With its robust build and classic design, the Model J was tailored for riders seeking both performance and style. Whether cruising the open road or navigating city streets, the Model J offered an unmatched combination of utility and charm that appealed to a wide range of motorcycling enthusiasts. At the heart of the Model J is its powerful V2 four-stroke engine, boasting a displacement of 989 cc (60.35 cubic inches). With a bore and stroke of 84.1 x 88.9 mm, this classic powerhouse delivers a top speed of 136.8 km/h (85.0 mph), making it a formidable contender in the early motorcycle market. The engine's design, paired with a reliable carburettor fuel system and H.D. generator ignition, ensures a responsive and exhilarating ride. Riders can expect a smooth power delivery that complements the Model J's sturdy frame, allowing for confident handling on various terrains. The chain final drive adds to the simplicity and reliability, making it a favorite for both casual riders and dedicated enthusiasts. The 1921 Model J is not just about raw power; it also showcases a delightful array of features that were ahead of its time. The expanding drum brake at the rear provides dependable stopping power, essential for safety on the open road. With a weight of 145 kg (319.7 pounds), the Model J strikes a balance between stability and maneuverability, allowing riders to navigate with ease. Its classic aesthetic, characterized by bold lines and vintage styling, evokes nostalgia while making a statement wherever it goes. The Model J is more than just a motorcycle; it’s a symbol of the freedom and adventure that the Harley-Davidson brand stands for. **
Pros
- Powerful Engine: The V2, four-stroke engine delivers robust performance, allowing for an impressive top speed of 85 mph.
- Classic Design: Timeless aesthetics that reflect the heritage of Harley-Davidson, appealing to vintage motorcycle enthusiasts.
- Reliable Handling: The combination of a sturdy frame and expanding drum brakes offers confident handling and safety.
Cons
- Weight: At 145 kg, it may feel heavy for some riders, especially in tight maneuvers or while parking.
- Limited Technology: Lacks modern amenities such as electric start and advanced suspension systems, which may deter some contemporary riders.
- Fuel Efficiency: The carburettor may not provide the same fuel efficiency seen in modern motorcycles, leading to more frequent stops at the pump.
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
- 145.0 kg (319.7 pounds)
- Seat
- Single
- Wheels
- Spoked
- Rear Tyre
- 3-28
- Front Tyre
- 3-28
- Rear Brakes
- Expanding brake (drum brake)