Back to Bike FinderYears: 1929 · 1928 · 1927 · 1926 · 1925 · 1924 · 1923
Harley-Davidson Model JD
1929Allround

Harley-Davidson Model JD

Key specifications

Engine
1208 cc
Weight
190 kg
Fuel type
petrol
Front brakes
Expanding brake (drum brake)
Rear brakes
Expanding brake (drum brake)

Overview

The 1929 Harley-Davidson Model JD is a true icon of American motorcycling, representing a pivotal moment in the evolution of Harley-Davidson's storied lineage. Positioned within the allround category, the Model JD was designed to cater to the needs of a diverse range of riders, from the leisurely cruiser to the spirited adventurer. Its combination of style, robust engineering, and practical performance made it a popular choice among enthusiasts and a symbol of freedom on two wheels during the roaring twenties. At the heart of the Model JD lies a powerful 1208cc (73.71 cubic inches) V2, four-stroke engine, delivering a thrilling top speed of 136.8 km/h (85.0 mph). This impressive performance is achieved through a well-crafted bore and stroke configuration of 86.9 x 101.6 mm, which allows for smooth acceleration and a satisfying ride. The carburettor fuel system ensures reliable fuel delivery, enhancing both performance and efficiency. Riders can expect a visceral experience, characterized by the deep, throaty rumble of the V-twin engine that reverberates through the chassis, making every ride an exhilarating journey through the open road. The Model JD boasts a host of key features that underscore its engineering prowess and rider-focused design. Its robust chassis is complemented by drum brakes—both front and rear—that provide dependable stopping power, instilling confidence in riders as they navigate varied terrains. Weighing in at 190 kg (418.9 pounds), the Model JD strikes a fine balance between stability and maneuverability, making it an approachable choice for riders of different experience levels. The motorcycle’s classic design, adorned with chrome accents and vintage styling, is not only a nod to the past but also an enduring testament to the craftsmanship that Harley-Davidson is known for. In sum, the 1929 Harley-Davidson Model JD is more than just a motorcycle; it’s a rolling piece of history that combines nostalgic charm with robust performance, continuing to captivate the hearts of motorcycle enthusiasts around the world.

Pros

  • Powerful V2 Engine: The 1208cc engine provides ample power and a thrilling riding experience, making it suitable for both cruising and spirited rides.
  • Classic Aesthetic: The timeless design and chrome accents capture the essence of early 20th-century motorcycling, appealing to vintage enthusiasts.
  • Stable Handling: The robust chassis and drum brakes contribute to confident handling, ensuring a stable ride across various road conditions.

Cons

  • Weight: At 190 kg (418.9 pounds), the Model JD may feel heavy for some riders, particularly during slow-speed maneuvers.
  • Limited Speed: While its top speed is respectable for the time, modern motorcycles far exceed its capabilities, which may limit its appeal for those seeking high-speed thrills.
  • Drum Brakes: The expanding drum brakes, while effective for their era, may not offer the same stopping power or responsiveness as contemporary disc brake systems.

Technical details

Source specification data

Make
Harley-Davidson
Model
Model JD
Category
Allround
Top Speed
136.8 km/h (85.0 mph)
Fuel System
Carburettor
Bore X Stroke
86.9 x 101.6 mm (3.4 x 4.0 inches)
Displacement
1208.00 ccm (73.71 cubic inches)
Engine Details
V2, four-stroke
Dry Weight
190.0 kg (418.9 pounds)
Seat
Single
Wheels
Spoked
Rear Tyre
3-23
Front Tyre
3-26
Rear Brakes
Expanding brake (drum brake)
Front Brakes
Expanding brake (drum brake)