Classic and Classy Motorcycles Ltd

Historical Context
The 1979 Kawasaki KZ Z650 stands as a testament to Kawasaki's engineering prowess during the late 1970s, a period marked by fierce competition in the motorcycle industry. Known for its balance of power, handling, and reliability, the KZ Z650 was Kawasaki's answer to the rising demand for mid-range bikes that could deliver performance akin to their larger counterparts, but with greater agility and fuel efficiency. This model solidified Kawasaki's reputation for producing motorcycles that were both enthusiast-focused and accessible to a wider range of riders.

Technical Specifications and Performance

• Year: 1979

• Make: Kawasaki

• Model: KZ Z650

• Engine displacement: 652cc

• Engine type: Inline-four, air-cooled, DOHC

• Compression ratio: 9.5:1

• Carburetion: Four Mikuni VM24SS carburetors

• Ignition system: Battery and coil (transistorized ignition)

• Cooling system: Air-cooled

• Fuel capacity: 4.2 US gallons

• Wheelbase: 57.7 inches

• Horsepower: 64 bhp @ 8,500 rpm

• Torque: 39.8 lb-ft @ 7,000 rpm

• Transmission type: 5-speed manual

• Frame type: Steel double cradle

• Suspension system: Telescopic forks (front), swingarm with dual shocks (rear)

• Braking system: Single disc brake (front), drum brake (rear)

• Dry Weight: Approximately 465 lbs

Project Vision
The vision for the 1979 Kawasaki KZ Z650 running project is to restore and enhance this classic motorcycle, ensuring it not only remains a reliable runner but also improves upon its original performance and aesthetic appeal. The project aims to address any existing mechanical issues, upgrade components where beneficial, and rejuvenate the bike's appearance, all while preserving its spirit and character.

Restoration and Enhancement Ideas
- **Engine Rebuild:** Overhauling the engine to address wear and improve performance, possibly including carburetor tuning and ignition system upgrades.
- **Suspension Upgrades:** Enhancing ride quality and handling with modern suspension components that respect the bike's original geometry.
- **Braking System Improvement:** Upgrading the front braking system to a more modern disc brake setup for improved safety and performance.
- **Cosmetic Restoration:** Refinishing the bike in its original color scheme or opting for a custom paint job that reflects the era's styling while adding a personal touch.
- **Electrical System Overhaul:** Modernizing the electrical system with reliable components to ensure functionality and safety.

Challenges and Considerations
Tackling a running project on a vintage bike like the 1979 Kawasaki KZ Z650 involves challenges such as sourcing original or compatible aftermarket parts, balancing modern upgrades with the preservation of the bike’s classic character, and addressing any underlying issues that could affect reliability and performance.

Conclusion
The 1979 Kawasaki KZ Z650 running project represents an exciting opportunity to revive a classic motorcycle, blending the best of its original features with thoughtful updates to create a bike that honors its heritage while delivering improved performance and reliability. Through careful planning and execution, this project can result in a motorcycle that not only turns heads but also continues to provide joy on the open road for years to come.