This comprehensive Yamaha QT50/MA50 Service and Repair Manual is your ultimate guide to maintaining, repairing, and rebuilding your motorcycle. It provides detailed instructions and illustrations for every aspect of your motorcycle, covering everything from basic maintenance to complex engine work.

The manual is organized for ease of use, with sections dedicated to general information, specifications, maintenance procedures, and in-depth breakdowns of each system. You'll find detailed instructions on:

* **Engine:** Complete tear-down and rebuild, engine removal and installation, fuel system, lubrication, cooling, combustion, cylinder head and valves, alternator and starter clutch, crankshaft, transmission, balancer, and more.
* **Transmission & Drivetrain:** Gearbox, clutch, transmission system, and related components.
* **Wheels & Suspension:** Front and rear wheels, steering system, fenders, exhaust pipe, suspension systems (front and rear), and related components.
* **Brakes:** Complete coverage of the braking system.
* **Electrical System:** Alternator/Starter Clutch, Battery/Charging System, Lights/Meters/Switches, Wiring Diagrams, and a complete explanation of the electrical system.
* **Body:** Frame, body panels, exhaust system, wheels, tires, and more.
* **Troubleshooting:** Comprehensive troubleshooting guides to help you diagnose and solve problems.
* **Periodic Checks & Adjustments:** Detailed instructions on performing regular maintenance and adjustments.
* **Technical Information & Specifications:** Essential technical data, specifications, and diagrams to aid in your repairs.

With hundreds of detailed illustrations, diagrams, exploded views, and photos, this manual makes even the most complex repair procedures simple to understand. It's your essential tool for keeping your Yamaha QT50/MA50 running smoothly and reliably.

The Yamaha QT50 and MA50 are lightweight, economical motorcycles designed for urban commuting and recreational riding. These models gained popularity in the late 1970s and early 1980s for their affordability, ease of use, and reliability. They featured a simple, air-cooled, 49cc, single-cylinder, two-stroke engine that delivered a modest amount of power, making them ideal for navigating city streets and navigating tight spaces. The motorcycles were further equipped with a four-speed transmission, allowing riders to navigate various terrains with relative ease. Both models were known for their comfortable riding position and simple design, making them accessible to both novice and experienced riders.

The QT50 and MA50 were distinguished by their styling and intended use. The QT50 was a more utilitarian model designed for everyday transportation. It featured a simple, rectangular headlight, a flat, bench-style seat, and a rear luggage rack for added practicality. In contrast, the MA50 was marketed as a more stylish and sport-oriented option. It featured a round headlight, a more contoured seat, and a sporty, upright riding position. However, despite their styling differences, both models shared the same basic mechanical components, ensuring a reliable and economical riding experience. The QT50 and MA50 were produced in various color options and continue to be sought after by collectors and enthusiasts for their nostalgic charm and practicality.