This manual covers the 650 FIS All-Terrain Vehicle (ATV) from the 2010 model year. The 650 FIS was designed to offer robust performance and capability in the mid-to-large displacement ATV category. This particular model is equipped with a 650cc V-twin engine, likely featuring a fuel injection system and a 4WD drivetrain, making it suitable for a variety of challenging terrains and demanding applications. The engineering quality of these vehicles is generally recognized for its reliability and focus on user experience, ensuring a dependable ride for both recreational and utility purposes. This comprehensive factory service repair manual provides detailed information essential for maintaining and repairing your 650 FIS ATV. It covers all styles of the model and includes in-depth procedures for engine repair, transmission service, fuel system maintenance, lubrication, cooling, electrical systems, drive systems, suspension, steering, frame, and controls. With hundreds of illustrations and step-by-step instructions for disassembly, reassembly, and troubleshooting, this manual is an invaluable resource for DIY enthusiasts and professional mechanics alike. It offers factory specifications and diagnostic guidance to ensure your ATV remains in optimal working condition, saving both time and money on maintenance and repair costs.