This manual covers the Aprilia MY 660 Factory, a high-performance sport motorcycle. Aprilia, an Italian manufacturer with a strong racing heritage, is renowned for innovative technology and performance-oriented machines. The MY 660 Factory is built upon a 659cc parallel-twin engine, delivering approximately 100 horsepower and 67 Nm of torque, featuring advanced electronic rider aids, ride-by-wire throttle, and multiple engine mapping options. Its engineering quality is evident in its sophisticated parallel-twin configuration, DOHC valvetrain, and comprehensive safety features like Cornering ABS and adjustable traction control, positioning it as a benchmark in its class.

This Factory Service Repair Manual provides comprehensive guidance for the maintenance and repair of the Aprilia MY 660 Factory. It details engine service, including disassembly and reassembly procedures, component testing, and troubleshooting for the engine mechanicals, fuel system, ignition system, exhaust system, and electrical system. The manual also covers routine maintenance tasks, fluid specifications, and diagnostic procedures, offering advanced diagnostic capabilities and full engine rebuild information. This resource is designed to assist owners, mechanics, and technicians in ensuring the optimal performance, reliability, and longevity of the vehicle.