The 1990 Kawasaki KLR650 (KL650-A4) is a distinguished dual-sport motorcycle renowned for its enduring reliability and versatile performance. Engineered for both on-road commuting and off-road exploration, this model features a robust liquid-cooled, single-cylinder engine, a durable steel frame, and long-travel suspension. Its substantial fuel capacity and comfortable, upright riding position make it an ideal choice for adventure touring and everyday use. The KLR650's design prioritizes practicality and longevity, a hallmark of Kawasaki's commitment to producing dependable machinery.

This comprehensive service manual provides essential information for the maintenance, repair, and troubleshooting of your 1990 Kawasaki KLR650. It covers all major systems, including the engine, transmission, fuel system, electrical components, chassis, and suspension, offering detailed procedures for diagnostics and repair. With step-by-step instructions, torque specifications, and diagnostic guides, this manual is an indispensable resource for owners, technicians, and mechanics seeking to preserve the performance and integrity of their KLR650.