This comprehensive workshop repair service manual provides detailed instructions for the repair and overhaul of the 1987 Suzuki LT80I QuadRunner. It assumes that the user has a general understanding of automotive practices, and focuses on the unique aspects of this specific ATV. The manual covers all aspects of the LT80I QuadRunner, including engine, transmission, fuel system, ignition, lubrication, exhaust, electrical system, and body. It includes detailed information on components manufactured for the LT80I QuadRunner, as well as instructions from component manufacturers for proprietary parts. This allows technicians to gain a thorough understanding of each component's function and the overall performance of the vehicle. The manual includes detailed instructions for tune-ups, maintenance procedures, removal and installation procedures, assemblies and disassemblies, as well as extensive repair procedures involving engine and transmission disassembly. It also provides information on troubleshooting and diagnostics, enabling you to identify and rectify issues quickly and efficiently. The manual is designed to help you maintain and repair your LT80I QuadRunner like a professional automotive technician, saving you time and money. It contains many of the specifications and procedures that were available in an authorized Suzuki dealer service department. The manual offers valuable guidance for routine maintenance and servicing, as well as diagnostic and repair procedures for more complex issues.

The Suzuki LT80I QuadRunner, introduced in 1987, was a pivotal model in the evolution of youth-oriented ATVs. Developed as a smaller, more manageable version of Suzuki's popular LT80, the LT80I was specifically designed for young riders seeking their first taste of off-road adventure. The LT80I featured a compact and lightweight design, making it easy for young riders to handle and control. Its powerful yet manageable 80cc air-cooled, four-stroke single-cylinder engine provided ample power for tackling diverse terrain, while its automatic transmission simplified the riding experience for beginners. With its durable construction, reliable performance, and safety features, the LT80I quickly became a popular choice for parents seeking a safe and fun off-road vehicle for their children. The LT80I's design incorporated several innovative features that enhanced its appeal. The QuadRunner's sleek and ergonomic design allowed for easy mounting and dismounting, while its comfortable seat ensured a pleasant riding experience. The LT80I's suspension system featured independent front and rear shocks, effectively absorbing bumps and providing a smooth ride. Its front disc brake and rear drum brake system provided reliable stopping power, ensuring safety while navigating challenging terrain. The LT80I's low center of gravity and wide track width delivered outstanding stability, inspiring confidence in young riders. With its combination of performance, safety, and ease of use, the Suzuki LT80I QuadRunner became a true icon in the youth ATV segment, introducing generations of riders to the thrill of off-road exploration.