The Comet 650S and Comet 650R represent a compelling offering in the mid-size sportbike and naked sportbike segments. Powered by a liquid-cooled, 4-stroke, DOHC V-twin engine with a displacement of 647 cc, these motorcycles deliver accessible performance, typically producing around 70-80 horsepower. Known for their sporty styling and often serving as a value proposition, the Comet series provides an engaging riding experience. The 650S variant features a naked design with standard handlebars, while the 650R sports a full fairing and clip-on handlebars for a more aggressive riding posture, both sharing a common engineering foundation designed for reliability and rider enjoyment.

This comprehensive service manual provides detailed guidance for the repair and maintenance of the Comet 650S and Comet 650R. It covers all major systems, including the engine, fuel system, ignition, electrical components, chassis, suspension, brakes, and transmission. Within its pages, you will find routine maintenance procedures, in-depth troubleshooting guides, component disassembly and reassembly instructions, wiring diagrams, and critical technical specifications such as torque values. This workshop manual is tailored for both professional mechanics and experienced DIY enthusiasts, offering the necessary information to ensure the optimal performance, longevity, and safety of your motorcycle.

The Comet 650S and Comet 650R represent a compelling offering in the mid-size sportbike and naked sportbike segments. Powered by a liquid-cooled, 4-stroke, DOHC V-twin engine with a displacement of 647 cc, these motorcycles deliver accessible performance, typically producing around 70-80 horsepower. Known for their sporty styling and often serving as a value proposition, the Comet series provides an engaging riding experience. The 650S variant features a naked design with standard handlebars, while the 650R sports a full fairing and clip-on handlebars for a more aggressive riding posture, both sharing a common engineering foundation designed for reliability and rider enjoyment.

This comprehensive service manual provides detailed guidance for the repair and maintenance of the Comet 650S and Comet 650R. It covers all major systems, including the engine, fuel system, ignition, electrical components, chassis, suspension, brakes, and transmission. Within its pages, you will find routine maintenance procedures, in-depth troubleshooting guides, component disassembly and reassembly instructions, wiring diagrams, and critical technical specifications such as torque values. This workshop manual is tailored for both professional mechanics and experienced DIY enthusiasts, offering the necessary information to ensure the optimal performance, longevity, and safety of your motorcycle.