Yamaha MR50 50cc – 1980

Motorcycle Directory

The Yamaha MR50, produced in 1980, is a noteworthy model in the world of small-displacement motorcycles.

Specifications

  • Engine Type: Single-cylinder, two-stroke, air-cooled
  • Displacement: 49cc
  • Bore x Stroke: 40 mm x 39 mm
  • Power Output: Approximately 5 hp (3.7 kW) at around 7,500 RPM
  • Torque: Not extensively documented, but designed for responsive handling
  • Transmission: 4-speed manual
  • Weight: Approximately 60 kg (132 lbs)
  • Top Speed: About 50-55 km/h (31-34 mph)
  • Fuel Capacity: Approximately 5 litres (1.32 US gallons)
  • Seat Height: Low, suitable for younger or smaller riders

Manufacturer Design

The Yamaha MR50 was designed with a focus on accessibility and ease of use for new riders. Its lightweight and compact build made it ideal for urban commuting and entry-level motorcycling.

  • Frame: The MR50 featured a simple, tubular steel frame that enhanced its manoeuvrability.
  • Suspension: It was equipped with front telescopic forks and rear dual shock absorbers, providing a smooth ride on varied surfaces.
  • Brakes: Drum brakes were standard, which were adequate for the bike’s power and weight.
  • Aesthetic Appeal: The MR50 had a youthful and vibrant design, often seen in bright colours and simple graphics, making it visually appealing to younger riders.

Legacy

The Yamaha MR50 holds a special place in the history of small motorcycles. It played a significant role in Yamaha’s strategy to introduce young riders to motorcycling.

  • Entry-Level Bike: It became a popular choice for new riders, allowing them to gain experience before moving on to larger, more powerful motorcycles.
  • Influence on Mini Bikes: The MR50 contributed to the growing popularity of mini bikes during the late 1970s and early 1980s.

Interesting Facts

  1. Two-Stroke Engine: Its two-stroke engine design provided a lightweight, nimble ride, making it easy to handle in urban environments.
  2. Cultural Impact: The MR50 was part of a wave of small motorcycles that symbolized youth culture and freedom in the late 20th century.
  3. Racing Potential: Although designed for everyday riding, some enthusiasts modified the MR50 for mini moto racing, highlighting its versatility.
  4. Simplicity: The straightforward mechanics made it easy to maintain, appealing to novice riders who might not have extensive mechanical knowledge.
  5. Collector’s Item: Today, the MR50 is sought after by collectors and vintage motorcycle enthusiasts, valued for its charm and historical significance.

Overall, the Yamaha MR50 50cc is an important model in the small bike segment, representing Yamaha’s dedication to fostering new riders and providing an enjoyable motorcycling experience.