
Harley-Davidson Model J
Key specifications
Overview
Step back in time to 1917, a pivotal year for motorcycling enthusiasts, and behold the timeless elegance of the Harley-Davidson Model J. Positioned as an all-rounder, the Model J was designed to cater to the needs of riders seeking a dependable yet spirited machine. Nestled in the heart of America’s burgeoning motorcycle culture, this bike was a testament to Harley-Davidson’s commitment to innovation and quality. With its classic lines and robust build, the Model J quickly became a favorite among riders who craved versatility, whether for leisurely weekend rides or everyday commuting. At the core of the Model J lies a powerful 989 cc V2 four-stroke engine, delivering a respectable 17 horsepower at 3200 RPM. This engine not only showcases the brand's engineering prowess but also provides riders with an exhilarating experience as they conquer roads at a top speed of 136.8 km/h (85.0 mph). With a bore and stroke measuring 84.1 x 88.9 mm, the Model J strikes a perfect balance between torque and acceleration, transforming every ride into a thrilling adventure. Coupled with a chain final drive, this bike is adept at navigating both city streets and open highways, ensuring a smooth and responsive ride for enthusiasts of all levels. The Harley-Davidson Model J is packed with features that reflect the technological advancements of its time. The carburettor fuel system and H.D generator ignition work in harmony to deliver consistent power, while the expanding drum brake at the rear ensures that stopping power is both reliable and effective. Weighing in at just 145 kg (319.7 pounds), this motorcycle boasts a power-to-weight ratio of 0.1172 HP/kg, translating to a nimble and engaging riding experience. Its sturdy construction and classic design elements make it a standout piece in any collection, appealing to vintage motorcycle aficionados and casual riders alike. Overall, the 1917 Harley-Davidson Model J stands as a proud symbol of motorcycling history, offering enthusiasts a glimpse into the past while delivering a riding experience that's both authentic and exhilarating.
Pros
- Classic Design: The Model J's vintage aesthetic is a head-turner, making it a sought-after collector's item.
- Versatile Performance: With a robust engine and solid handling, it excels in various riding conditions.
- Reliable Engineering: Built by Harley-Davidson, it embodies durability and quality craftsmanship.
Cons
- Limited Power: With only 17 HP, it may feel underpowered compared to modern motorcycles.
- Basic Technology: Lacks advanced features and comforts found in contemporary bikes, such as disc brakes and fuel injection.
- Weight: While manageable, its weight can be a drawback for some riders, especially in tight maneuvering situations.
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)