Harley-Davidson Model W Sport Twin 1921 - Specifications & Review

Model W Sport Twin

Article Complete Info

Articleid939807
CategoryAllround
MakeHarley-Davidson
ModelModel W Sport Twin
Year1921

Chassis, Suspension, Brakes & Wheels

Fronttyre3-26
Reartyre3-26
SeatSolo seat with springs
WheelsSpoked

Engine & Transmission

Borexstroke69.8 x 96.8 mm (2.7 x 3.8 inches)
Compression5.8:1
Displacement584.00 ccm (35.64 cubic inches)
EnginedetailsTwo cylinder boxer, four-stroke
FuelsystemCarburettor
IgnitionHD Generator
TransmissiontypefinaldriveShaft drive (cardan)

Physical Measures & Capacities

Dryweight113.0 kg (249.1 pounds)

About Harley-Davidson Model W Sport Twin 1921

Introducing the 1921 Harley-Davidson Model W Sport Twin, a remarkable embodiment of the roaring twenties and a testament to Harley-Davidson's innovative spirit. Positioned in the allround category, this motorcycle was designed to appeal to a wide range of riders who sought both utility and style. The Model W Sport Twin marked a pivotal moment in Harley's evolution, blending performance with practicality, making it a sought-after choice for enthusiasts and everyday riders alike. With its classic design and robust engineering, the Model W has secured its place in the annals of motorcycle history, offering a nostalgic peek into the early days of American motorcycling.

At the heart of the Model W Sport Twin lies a 584cc (35.64 cubic inches) two-cylinder boxer engine, delivering a unique blend of power and smoothness that defines its riding character. With a compression ratio of 5.8:1, this four-stroke engine produces a harmonious balance of torque and responsiveness, allowing riders to navigate urban streets or open highways with confidence. The bore and stroke measurement of 69.8 x 96.8 mm (2.7 x 3.8 inches) contributes to a pleasing engine note that is music to the ears of any motorcycle lover. Paired with a reliable HD generator ignition and an efficient carburettor fuel system, the Model W offers a spirited yet manageable ride, making it an excellent choice for both seasoned motorcyclists and newcomers.

In terms of features, the Model W Sport Twin was ahead of its time, showcasing a shaft drive (cardan) system that offered smooth power delivery and reduced maintenance compared to chain-driven counterparts. Its lightweight design, at just 113 kg (249.1 pounds), allows for agile handling and nimble maneuverability. The combination of a robust frame and classic styling, complete with vintage touches, ensures that the Model W not only performs impressively but also turns heads wherever it goes. This motorcycle captures the essence of early 20th-century engineering, making it a prized possession for collectors and a joy to ride for enthusiasts.

Pros:

  1. Innovative Shaft Drive: Offers smoother power delivery and less maintenance than traditional chain systems.
  2. Lightweight and Agile: The relatively low weight enhances handling, making it easy to navigate tight corners and urban environments.
  3. Classic Styling: Timeless design that appeals to vintage motorcycle enthusiasts and collectors alike.

Cons:

  1. Limited Power Output: With modest engine performance, it may not satisfy riders seeking high-speed thrills.
  2. Basic Technology: Lacks modern features such as advanced suspension or braking systems, which may deter some riders.
  3. Availability of Parts: As a vintage model, sourcing replacement parts can be a challenge for maintenance and restoration.
Bike n Rider logo
Privacy Overview

This website uses cookies so that we can provide you with the best user experience possible. Cookie information is stored in your browser and performs functions such as recognising you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful.