This comprehensive Yamaha QT50 MA50 Service Repair Manual provides detailed instructions and repair information for maintaining, servicing, diagnosing, and repairing your motorcycle. The manual covers a wide range of topics, including:

* **General Information:** Learn about the design and operation of your Yamaha QT50 MA50.
* **Periodic Maintenance:** Understand the recommended maintenance schedule and procedures for keeping your motorcycle in optimal condition.
* **Engine:** Find detailed information on the engine, including disassembly, assembly, and troubleshooting procedures.
* **FI System Diagnosis:** Get a comprehensive guide to diagnosing and resolving issues with your motorcycle's fuel injection system.
* **Fuel System and Throttle Body:** Learn about the fuel system, throttle body, and their components, including repair and maintenance tips.
* **Exhaust System:** Explore the exhaust system, including troubleshooting and repair procedures for various components.
* **Cooling and Lubrication System:** Understand the cooling and lubrication system, including troubleshooting and repair information.
* **Chassis:** Learn about the chassis components, including suspension, brakes, and steering, along with repair and maintenance guidelines.
* **Electrical System:** Discover a detailed guide to the electrical system, including wiring diagrams, troubleshooting, and repair procedures.
* **Servicing Information:** Get essential service information, such as torque specifications and lubrication requirements.
* **Emission Control Information:** Understand the emission control systems and their operation.
* **Wiring Diagram:** Access the detailed wiring diagram for your Yamaha QT50 MA50.

This manual is designed to be easy to follow, with clear instructions and numerous illustrations and diagrams to help you understand the procedures. It's a valuable resource for both experienced mechanics and DIY enthusiasts who want to work on their own Yamaha QT50 MA50.

The Yamaha QT50, also known as the MA50, is a lightweight and nimble scooter that was produced by Yamaha from 1981 to 1984. This model was designed for ease of use and beginner riders, featuring a compact body and a reliable 49cc, single-cylinder, two-stroke engine. The QT50 was known for its simple mechanical design, which made maintenance and repairs relatively straightforward. It was also very fuel-efficient, making it an appealing option for commuters and city dwellers. Although no longer in production, the QT50 remains a popular choice for vintage motorcycle enthusiasts and collectors, known for its classic styling and retro charm.

The QT50 boasts a lightweight tubular steel frame and a telescopic front fork, contributing to its maneuverability and agility. The rear suspension utilizes a single shock absorber, offering a comfortable ride over varied road surfaces. While the QT50 was primarily designed for commuting and short trips, its simplicity and practicality made it a popular choice for recreational use as well. The scooter's design focused on ease of maintenance and access to critical components, making it a user-friendly machine for riders of all skill levels. With an electric start and a kick-start option as backup, the QT50 ensured reliable ignition even under less-than-ideal conditions. The QT50's legacy continues to this day, with many enthusiasts restoring and maintaining these classic scooters, keeping their spirit alive and adding a touch of vintage charm to the roads.