YAMAHA FS1 50CC – 1976

The Yamaha FS1 50cc, introduced in 1976, is a notable motorcycle known for its impact on the small bike market and its cultural significance, particularly in the UK. Here’s a detailed look at its specifications, manufacturer design, legacy, and other interesting facts:

Specifications

  • Engine: The Yamaha FS1 is powered by a 49cc, air-cooled, single-cylinder, 2-stroke engine.
  • Bore x Stroke: The bore is 39 mm and the stroke is 41.4 mm.
  • Compression Ratio: The engine has a compression ratio of approximately 6.6:1.
  • Power Output: It produces around 4.5 horsepower at 7,500 rpm.
  • Transmission: It features a 5-speed gearbox, which was advanced for a 50cc motorcycle at the time.
  • Suspension:
    • Front: Telescopic forks.
    • Rear: Twin shock absorbers.
  • Brakes:
    • Front: Drum brake.
    • Rear: Drum brake.
  • Fuel Tank Capacity: Approximately 7 litres (1.85 gallons).
  • Dry Weight: Around 90 kg (198 lbs).

Manufacturer Design

  • Design Philosophy: Yamaha designed the FS1 with a focus on performance and style for the young rider market. It was intended to be a fun, sporty, and accessible motorcycle.
  • Frame and Build: The FS1 featured a steel frame with a compact and lightweight design. Its sporty aesthetics included a distinctive tank shape and vibrant color options, reflecting the style of the era.
  • Engineering: The FS1’s 2-stroke engine was designed for simplicity and performance. It featured a reed valve induction system, which improved power output and efficiency for a small engine.

Legacy

  • Impact on Yamaha: The FS1 was part of Yamaha’s strategy to capture the market for small, affordable motorcycles, particularly in Europe. It helped establish Yamaha as a key player in the small bike market.
  • Influence on Motorcycles: The FS1 set a benchmark for small displacement motorcycles, particularly in terms of performance and design. It influenced other manufacturers to develop similar models.
  • Cultural Impact: In the UK, the FS1 became a cultural icon among young riders and was famously known as the “Fizzy.” It was associated with the mod and scooter culture of the 1970s and 1980s.

Interesting Facts

  • Cultural Icon: The FS1 became a rite of passage for many young riders in the UK, symbolizing freedom and youthful rebellion. Its popularity in the UK led to it being featured in various media and pop culture references.
  • Regulatory Impact: The FS1 was produced during a time when there were restrictions on motorcycle engine sizes in various markets. The 50cc engine allowed it to be accessible to younger riders and those with lower licensing requirements.
  • Design Features: The FS1 was known for its stylish design, including its signature “Fizzy” name, sporty graphics, and vibrant colour schemes. It had a sporty, aggressive stance that appealed to younger riders.
  • Collectability: Today, the Yamaha FS1 is considered a classic and is highly sought after by collectors and enthusiasts. Its status as a nostalgic piece of motorcycling history has made it a popular model among vintage motorcycle aficionados.

Overall, the Yamaha FS1 50cc from 1976 is celebrated for its combination of performance, design, and cultural impact. It represents a significant chapter in the history of small displacement motorcycles and continues to be remembered fondly by enthusiasts and collectors.

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