This manual covers the All-Terrain Vehicle (ATV) produced for the 2008 and 2009 model years. The LT-Z90 is a youth-oriented sport ATV, embodying a strong heritage in ATV manufacturing known for performance and reliability. It offers a balance of user-friendly operation and essential safety features, making it suitable for younger riders. Key specifications include an 89 cc 4-stroke, air-cooled engine, automatic CVT transmission, and a chain drive system. Its dimensions are approximately 1520 mm in length, 995 mm in width, and 970 mm in height, with a curb weight of 110 kg. The ATV features independent double A-arm front suspension and a swingarm rear suspension, along with front and rear disc brakes. This comprehensive Workshop Service Repair Manual is designed to assist owners, DIY mechanics, and repair shops with the maintenance, service, and repair of the vehicle. It provides dealership-level technical information, including detailed diagrams, torque specifications, and step-by-step instructions for all major systems. Coverage includes engine overhaul, fuel system service, chassis components, electrical systems, braking system, and routine maintenance procedures. The manual also offers diagnostic flowcharts and troubleshooting guides for common issues, ensuring effective repair and optimal performance of your ATV.