Simplex Automatic 1958 - Specifications & Review

Introducing the 1958 Simplex Automatic motorcycle, a distinctive gem from the late 1950s that captures the essence of American engineering with its charming design and innovative features. Positioned as an all-rounder, the Simplex Automatic offered riders an accessible entry into the world of motorcycling, seamlessly blending functionality with style. With its compact build and lightweight frame, the Simplex Automatic was particularly appealing to urban commuters and leisure riders alike, making it a versatile choice for anyone looking to navigate city streets or enjoy weekend rides in the countryside.

At the heart of the Simplex Automatic is a single-cylinder, two-stroke engine with a displacement of 130 ccm, delivering a modest yet spirited 4.00 HP at 5000 RPM. This powertrain, characterized by a compression ratio of 6.5:1, provides a lively ride, allowing the motorcycle to reach speeds that are both exhilarating and practical. The variable speed automatic clutch system enhances the riding experience by eliminating the need for manual gear shifting, allowing riders to focus on the open road ahead without the distractions of traditional gear changes. The belt final drive contributes to the smoothness of the ride, making it a great option for both novice and experienced riders seeking a laid-back cruising experience.

The 1958 Simplex Automatic is not just about performance—it also showcases a range of features that illustrate its forward-thinking design. The leading-link front suspension provides stability and control, ensuring a confident ride even over uneven surfaces. Complementing this is the rigid rear suspension that keeps the overall weight down to a mere 61.2 kg (135 pounds), enhancing its nimbleness. With a fuel capacity of 9.46 liters (2.50 gallons), riders can enjoy extended rides without frequent stops at the pump. The motorcycle’s simplistic yet effective drum brakes at the rear allow for reliable stopping power, making it a well-rounded machine for everyday use.

PROs:

1. Lightweight and Agile: At only 61.2 kg, the Simplex Automatic is easy to handle, making it ideal for beginners and city riders.
2. Unique Automatic Clutch System: The variable speed automatic clutch simplifies the riding experience, allowing for a stress-free ride without the need for shifting gears.
3. Innovative Design: The leading-link front suspension contributes to improved handling and stability, enhancing rider confidence on various terrains.

CONs:

1. Limited Power Output: With only 4.00 HP, the motorcycle may struggle on steep inclines or against strong winds, limiting its performance in certain conditions.
2. Basic Suspension Setup: The rigid rear suspension may not provide the level of comfort desired on longer rides or bumpy roads.
3. Two-Stroke Engine Maintenance: The two-stroke engine requires more frequent maintenance and care compared to four-stroke counterparts, which may deter some potential owners.

In conclusion, the 1958 Simplex Automatic motorcycle stands as a testament to the creativity and ingenuity of its era, offering a unique blend of style, simplicity, and functionality that continues to resonate with motorcycle enthusiasts today. Whether you're a collector or a casual rider, this classic bike is sure to turn heads while providing a memorable ride.