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Harley-Davidson Eight-valve racer
1921Sportbike

Harley-Davidson Eight-valve racer

Key specifications

Engine
1000 cc
Fuel type
petrol
Transmission
1-speed

Overview

Introducing the 1921 Harley-Davidson Eight-Valve Racer Step back into the roaring twenties, a time when flat-out speed and engineering prowess defined the motorcycle landscape. The 1921 Harley-Davidson Eight-Valve Racer stands as a testament to this era, representing the pinnacle of American sport motorcycles. Designed for competitive racing, this remarkable machine was built to slice through the air with agility and grace, capturing the hearts of speed enthusiasts and racers alike. With its sleek, classic lines and a powerful presence, the Eight-Valve Racer not only dominated the tracks but also laid the groundwork for future generations of performance motorcycles. Engine Performance and Riding Characteristics At the heart of the Eight-Valve Racer lies a robust 1000cc V2, four-stroke engine, which delivers an exhilarating riding experience. Capable of reaching a top speed of 193 km/h (119.9 mph), this beast is not just about numbers; it’s about the thrill of the ride. The engine, equipped with a Schebler carburettor, offers a visceral connection between rider and machine, delivering immediate throttle response and a symphony of sound that only a Harley can produce. With a 1-speed gearbox, the rider is free to focus on the adrenaline of acceleration and the rush of wind, as the liquid-cooled engine keeps performance steady even during the most intense rides. The Eight-Valve Racer’s lightweight chassis and chain final drive allow for exceptional handling, making it a favorite among racers who crave agility and speed on the track. Key Features and Technology The 1921 Harley-Davidson Eight-Valve Racer is not just a motorcycle; it’s a marvel of early 20th-century engineering. The race-oriented design features advanced technology for its time, including liquid cooling to maintain optimal engine temperature during extended runs, ensuring that the performance remains unyielding. The minimalist aesthetic of the bike, stripped down for speed, speaks to the ethos of racing: less is more. With a focus on functionality, the Eight-Valve Racer is equipped with a sturdy chassis that provides the structural integrity required for high-speed maneuvers. The combination of its lightweight construction and powerful engine make it a formidable presence on any racetrack, embodying the spirit of competition. **

Pros

    Cons

    • Exceptional Speed: With a top speed of 193 km/h, it offers thrilling performance that excites speed enthusiasts.
    • Lightweight and Agile: The bike's design provides excellent handling, allowing for nimble maneuvering on the track.
    • Iconic Heritage: Owning the Eight-Valve Racer means possessing a piece of motorcycle history and a true symbol of American engineering.
    • Limited Gear Options: The 1-speed gearbox may be limiting for some riders who prefer more control over their power band.
    • Racing Focused: Its minimalist design and lack of comfort features make it less suitable for casual rides or long-distance travel.
    • Maintenance Requirements: The technology of the time may require more frequent upkeep and attention compared to modern machines.

    Technical details

    Source specification data

    Make
    Harley-Davidson
    Model
    Eight-valve racer
    Category
    Sport
    Gearbox
    1-speed
    Top Speed
    193.0 km/h (119.9 mph)
    Fuel System
    Carburettor. Schebler
    Displacement
    1000.00 ccm (61.02 cubic inches)
    Cooling System
    Liquid
    Engine Details
    V2, four-stroke
    Exhaust System
    No pipes
    Transmission Type Final Drive
    Chain
    Seat
    Single
    Wheels
    Spoked