Simplex Automatic 1953 - Specifications & Review

Introducing the 1953 Simplex Automatic Motorcycle

The 1953 Simplex Automatic stands out as a remarkable piece of motorcycle history, gracefully blending practicality with innovative design. Positioned within the allround motorcycle category, the Simplex Automatic was designed for riders seeking a reliable and versatile bike, whether for leisurely rides or practical commuting. With its lightweight frame and charming aesthetic, this motorcycle embodies the spirit of mid-century American engineering, appealing to both collectors and enthusiasts alike.

Engine Performance and Riding Characteristics

At the heart of the Simplex Automatic is a robust single-cylinder, two-stroke engine boasting a displacement of 130 cc. Generating 4 horsepower at 4000 RPM, the power output may seem modest by today’s standards, but it delivers an exhilarating ride that is surprisingly peppy for its size. The 6.5:1 compression ratio ensures efficient combustion, while the magneto ignition system guarantees reliable starts every time. Riders will appreciate the seamless performance, accentuated by the unique belt final drive that provides smooth power delivery and a surprisingly quiet operation. The lightweight design, tipping the scales at just 61.2 kg (135 pounds), allows for nimble handling, making urban navigation a breeze.

Key Features and Technology

The Simplex Automatic is not just about engine performance; it boasts a thoughtfully designed chassis and suspension system. The duplex loop frame offers stability and strength, while the short rocker arms and dual coil springs in the front suspension provide a comfortable ride on bumpy roads. With a fuel capacity of 9.46 liters (2.5 gallons), riders can enjoy extended journeys without frequent refueling stops. This motorcycle also showcases period-appropriate aesthetics, featuring classic lines and an understated elegance that captures the essence of the 1950s. Its blend of simplicity and functionality makes it an interesting study in motorcycle design, perfect for those looking to explore the charm of vintage riding.

Pros and Cons of the 1953 Simplex Automatic

Pros:

1. Lightweight and Nimble: At just 61.2 kg, this motorcycle is easy to handle, making it a great choice for both new riders and seasoned enthusiasts.
2. Unique Engineering: The two-stroke engine and belt drive system provide a smooth and distinctive ride, offering a fun twist on traditional motorcycle mechanics.
3. Classic Aesthetic: The vintage design and classic lines of the Simplex Automatic make it a head-turner, perfect for collectors and those who appreciate retro style.

Cons:

1. Limited Power: With only 4 HP, the bike may struggle to keep up with modern traffic, making it less suitable for highway riding.
2. Rigid Rear Suspension: The lack of rear suspension may lead to a less comfortable ride on rougher terrains compared to more advanced models.
3. Maintenance Considerations: As a vintage motorcycle, finding replacement parts and maintaining the Simplex Automatic may pose challenges for owners unfamiliar with classic bike repair.

In summary, the 1953 Simplex Automatic motorcycle is a delightful blend of historical significance and practical design. It invites riders to experience the joys of vintage motorcycling while appreciating the simple pleasures of the open road.