Yamaha R 3 1970 - Specifications & Review

Introducing the 1970 Yamaha R 3: A Classic Icon

The 1970 Yamaha R 3 stands as a testament to the golden age of motorcycling, embodying the spirit of innovation and performance that Yamaha has long been celebrated for. As a classic model, the R 3 is a beloved choice among enthusiasts and collectors alike, perfectly positioned in the market as a lightweight, agile sportbike that captures the essence of two-stroke excitement. With its striking lines and iconic styling, the R 3 not only turns heads but also delivers a thrilling ride that hints at the racing pedigree of Yamaha's engineering prowess.

Engine Performance and Riding Experience

At the heart of the R 3 lies a spirited 345cc twin-cylinder, two-stroke engine that churns out an impressive 36 horsepower at 7000 RPM. This engine configuration not only ensures a lively performance but also provides a distinctive powerband that delivers exhilarating acceleration. With a top speed of 165 km/h (102.5 mph), riders can expect an adrenaline-pumping experience, whether navigating twisty backroads or cruising on the open highway. The 5-speed gearbox and chain final drive contribute to its agile handling, allowing the R 3 to tackle corners with impeccable precision while offering an engaging riding experience that keeps the rider connected to the road.

Key Features and Technological Highlights

The Yamaha R 3 is equipped with essential features that cater to both performance and rider comfort. The air-cooled engine is designed for simplicity and reliability, while the expanding brakes at both the front and rear ensure solid stopping power—vital for spirited rides. With a weight of just 154 kg (339.5 pounds) and a fuel capacity of 15 liters (3.96 gallons), the R 3 is not only lightweight but also boasts a respectable range for longer rides. The bike's compression ratio of 7.5:1 and the bore and stroke dimensions of 61 x 59 mm (2.4 x 2.3 inches) exemplify the balance of power and efficiency, making it a well-rounded machine for both newcomers and seasoned riders alike.

Pros and Cons

Pros:

1. Lightweight and Agile: Weighing in at just 154 kg, the R 3 offers impressive maneuverability and handling.
2. Exciting Two-Stroke Engine: The spirited performance of the two-stroke engine delivers exhilarating acceleration and a unique sound that enthusiasts love.
3. Classic Appeal: Its vintage styling and iconic design make it a desirable collectible for motorcycle aficionados.

Cons:

1. Limited Power Band: As a two-stroke, the engine's power delivery can be peaky, which may require some adjustment for novice riders.
2. Braking Performance: While adequate for its time, the expanding brakes may not match modern standards for stopping power.
3. Fuel Consumption: The two-stroke engine may not be as fuel-efficient as four-stroke counterparts, leading to more frequent refueling on long rides.

In summary, the 1970 Yamaha R 3 is a classic motorcycle that continues to captivate riders with its performance and charm. With its rich history, engaging ride dynamics, and timeless aesthetics, it's more than just a machine—it's a piece of motorcycling heritage.