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Harley-Davidson S-125
1958Allround

Harley-Davidson S-125

Key specifications

Engine
125 cc
Weight
91 kg
Fuel type
petrol
Front brakes
Expanding brake (drum brake)
Rear brakes
Expanding brake (drum brake)

Overview

### 1958 Harley-Davidson S-125: A Timeless Classic for the Everyday Rider In the late 1950s, Harley-Davidson expanded its reach into the allround motorcycle category with the S-125, a model that perfectly balanced functionality and style. Positioned as an accessible entry point for both new riders and seasoned enthusiasts, the S-125 captured the spirit of the age with its robust build and distinctive Harley flair. With a weight of only 90.7 kg (200 pounds), this motorcycle was designed for agility and ease of handling, making it a popular choice for urban commuting and leisurely weekend rides alike. The classic design elements combined with its practical engineering made the S-125 not just a bike, but a symbol of freedom and adventure for its era. At the heart of the Harley-Davidson S-125 lies a spirited 125cc single-cylinder, two-stroke engine. This powerplant may be modest in displacement, but it delivers a lively performance that is both responsive and exhilarating. The engine's carburettor-fed fuel system ensures smooth throttle response, while the chain final drive provides reliable power transfer to the rear wheel. Riders will appreciate the simplicity of the S-125's setup, which encourages a spirited ride through city streets or along country roads. The girder fork coil spring front suspension, coupled with a rigid rear, lends itself to a stable yet engaging riding experience, allowing riders to navigate corners with confidence. The S-125 is equipped with classic drum brakes both front and rear, utilizing an expanding brake system that offers reliable stopping power, albeit with a vintage feel. Its suspension setup, featuring a unique girder fork design, not only enhances the bike's aesthetics but also contributes to a smooth ride over various terrains. Harley-Davidson's attention to detail is evident in the S-125's design, from the sleek lines to the comfortable seating position, making it a bike that stands the test of time. With its minimalist yet functional layout, this motorcycle remains a beloved choice for collectors and vintage enthusiasts who appreciate the charm of classic engineering. **

Pros

  • Lightweight and Agile: Weighing just 90.7 kg, the S-125 is easy to maneuver, making it perfect for city riding.
  • Classic Aesthetic: The timeless design captures the essence of late 1950s motorcycle culture, appealing to vintage enthusiasts.
  • Simple Maintenance: The straightforward two-stroke engine and basic mechanical components allow for easy servicing and repairs.

Cons

  • Limited Power: The 125cc engine may struggle to keep up with modern traffic speeds, particularly on highways.
  • Basic Braking System: Drum brakes may not offer the same stopping power or responsiveness as modern disc brakes.
  • Rigid Rear Suspension: While classic, the rigid rear can result in a bumpier ride over rough terrain compared to bikes with modern suspension systems.

Technical details

Source specification data

Make
Harley-Davidson
Model
S-125
Category
Allround
Fuel System
Carburettor
Displacement
125.00 ccm (7.63 cubic inches)
Engine Details
Single cylinder, two-stroke
Transmission Type Final Drive
Chain
Dry Weight
90.7 kg (200.0 pounds)
Rear Brakes
Expanding brake (drum brake)
Front Brakes
Expanding brake (drum brake)
Rear Suspension
Rigid-
Front Suspension
Girder fork coil spring