Classic and Classy Motorcycles Ltd

Historical Context

The Yamaha R5 was introduced in 1970 as a sporty middleweight motorcycle designed to deliver high performance in a lightweight package. With its 350cc air-cooled, two-stroke engine, the R5 quickly gained a reputation for being fast, reliable, and fun to ride. It was the precursor to Yamaha’s iconic RD series, which would dominate the two-stroke sportbike market in the years that followed. The 1972 R5 represented the final year of production for the model, making it a sought-after choice among collectors and enthusiasts who appreciate its role in Yamaha’s two-stroke lineage. The bike’s combination of speed, agility, and style made it a popular choice for riders during its era, and it remains a beloved classic today.

Technical Specifications and Features

• Year: 1972
• Make: Yamaha
• Model: R5 350
• Engine Displacement: 347cc
• Engine Type: Air-cooled, two-stroke, parallel twin
• Compression Ratio: 7.0:1
• Power Output: Approximately 36 horsepower
• Transmission: 5-speed manual
• Brakes: Drum front and rear
• Fuel System: Twin Mikuni carburetors
• Fuel Capacity: 3.2 gallons
• Wheelbase: 52 inches
• Dry Weight: Approximately 330 pounds
• Key Features: Lightweight frame, high-revving two-stroke engine, and responsive handling. The R5 was a direct forerunner to the RD series, sharing its performance DNA and aggressive styling.

Project Potential

As a running project, the 1972 Yamaha R5 350cc offers a great foundation for restoration or customization. Its two-stroke engine design is relatively simple to work on, and parts are still widely available through vintage Yamaha specialists and enthusiast communities. Restoring this bike to its original factory condition would highlight its classic 1970s styling and performance, while custom modifications could turn it into a unique cafe racer or vintage track bike. With its solid mechanical foundation and iconic design, the R5 is a versatile project that can be tailored to suit a wide range of tastes and purposes.

Riding Experience

Once fully restored or tuned up, the 1972 Yamaha R5 delivers a thrilling and engaging riding experience. The 347cc two-stroke engine is known for its quick throttle response and high-revving performance, providing plenty of power for spirited rides on twisty roads. Its lightweight frame and compact dimensions make it highly maneuverable, while the drum brakes and suspension system, though basic by today’s standards, offer a vintage riding feel that enthusiasts love. The bike’s responsive handling and sharp acceleration make it an enjoyable machine for both urban environments and backroad adventures. Whether you’re a fan of two-stroke performance or classic Yamaha motorcycles, the R5 delivers a ride full of character and excitement.

Design and Aesthetic Appeal

The design of the 1972 Yamaha R5 is both sleek and functional, reflecting the sporty intent of the motorcycle. The bike features a streamlined fuel tank, chrome accents, and a simple but purposeful frame. Its twin-cylinder engine, with polished covers and exposed cooling fins, adds to the bike’s mechanical charm. The R5’s minimalist design is complemented by its lightweight construction, giving it a clean and aggressive look that continues to appeal to vintage motorcycle enthusiasts. Whether restored to original specifications or customized with modern touches, the R5 remains a visually striking motorcycle that captures the spirit of 1970s sportbikes.

Legacy and Collectibility

The 1972 Yamaha R5 is a significant model in Yamaha’s history, serving as the foundation for the RD series, which would go on to dominate the two-stroke performance market. Its innovative design, lightweight frame, and high-performance engine make it a standout motorcycle from its era. Today, the R5 is highly collectible among enthusiasts who value its historical importance and riding dynamics. Restoring this running project not only preserves a key piece of Yamaha’s two-stroke heritage but also results in a bike that is both fun to ride and highly desirable in the vintage motorcycle market. Whether as a collector’s item or a weekend rider, the R5 remains a timeless classic.