Simplex Automatic 1959 - Specifications & Review

Automatic

Article Complete Info

Articleid482854
CategoryAllround
MakeSimplex
ModelAutomatic
Year1959

Chassis, Suspension, Brakes & Wheels

FrontsuspensionLeading link
RearbrakesExpanding brake (drum brake)
RearsuspensionRigid

Engine & Transmission

Borexstroke50.8 x 64.3 mm (2.0 x 2.5 inches)
ClutchVariable speed automatic
Compression6.5:1
Displacement130.00 ccm (7.93 cubic inches)
EnginedetailsSingle cylinder, two-stroke
FuelsystemCarburettor
IgnitionMagneto
Power4.00 HP (2.9 kW)) @ 5000 RPM
TransmissiontypefinaldriveBelt

Physical Measures & Capacities

Fuelcapacity9.46 litres (2.50 gallons)

About Simplex Automatic 1959

Introducing the 1959 Simplex Automatic, a charming entry in the realm of post-war motorcycles that offers an intriguing blend of simplicity and innovation. Positioned as an all-rounder, this little gem is designed for those who seek a reliable ride without the complexities often associated with larger machines. The Simplex Automatic captures the essence of the era with its unique aesthetic, appealing to both collectors and casual riders alike. With its compact form factor and approachable price point, it was a practical choice for those looking for economical transportation or leisurely joyrides.

At the heart of the Simplex Automatic lies a spirited single-cylinder, two-stroke engine with a displacement of 130 ccm, delivering a modest yet sprightly 4 horsepower at 5000 RPM. This powertrain is characterized by its unique variable speed automatic clutch, allowing for a smooth and effortless riding experience, especially for beginners or those who prefer an uncomplicated operation. The 6.5:1 compression ratio and a bore and stroke of 50.8 x 64.3 mm work harmoniously to provide reliable acceleration and responsiveness, making urban commuting a breeze. The bike's lightweight construction coupled with its belt final drive enhances agility, ensuring that navigating through city streets or winding country roads feels effortless.

The 1959 Simplex Automatic is not just about bare-bones functionality; it boasts several features that were innovative for its time. The front suspension utilizes a leading link design, providing stability and comfort, while the rigid rear suspension keeps the bike grounded. Safety is also considered with its expanding drum brakes, which offer dependable stopping power. With a fuel capacity of 9.46 liters, riders can enjoy extended journeys without the frequent need for refueling—a significant advantage for those looking to explore beyond their neighborhood.

PROs:

  1. User-Friendly Design: The automatic clutch and lightweight frame make it perfect for new riders or those seeking a hassle-free experience.
  2. Compact and Practical: Its small size and efficient fuel consumption allow for easy city navigation and economical travel.
  3. Classic Appeal: The vintage aesthetic and simplicity of the design attract collectors and enthusiasts who appreciate retro motorcycles.

CONs:

  1. Limited Power Output: With only 4 HP, it may struggle on highways or steep inclines, making it less versatile for long-distance travel.
  2. Basic Suspension: The rigid rear suspension may not provide the comfort needed for longer rides or rougher terrain.
  3. Two-Stroke Maintenance: The two-stroke engine requires more frequent maintenance and oil mixing, which may deter some riders seeking low-maintenance options.

The 1959 Simplex Automatic remains a testament to an era when motorcycles were not just machines, but integral parts of everyday life, embodying freedom and accessibility. As a vintage model, it continues to captivate the hearts of motorcycle enthusiasts, offering a blend of nostalgia and practicality that is hard to resist.

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