The Suzuki LT-Z90 Quad Sport is a recreational all-terrain vehicle, produced for the 2007, 2008, and 2009 model years. Designed for spirited outdoor adventures, this ATV boasts an air-cooled, 4-stroke, SOHC engine with an 88.4 cm³ displacement, providing reliable performance for its intended use. Its robust engineering, characteristic of its heritage in manufacturing quality vehicles, ensures durability and consistent operation. Key features include a continuously variable transmission (CVT) with Forward, Neutral, and Reverse gears, front and rear disc brakes for effective stopping power, and essential lighting for visibility. The LT-Z90 is recognized for its agility and suitability for youth riders and recreational enthusiasts. This full factory service repair manual offers comprehensive guidance for the Suzuki LT-Z90 Quad Sport, covering all styles from the 2007 to 2009 production years. The manual details essential maintenance procedures, including scheduled service, fluid checks, and filter replacements, alongside in-depth repair instructions for all mechanical and electrical components. It provides step-by-step guidance for disassembly and assembly, troubleshooting common issues, and includes vital technical specifications, torque settings, and safety precautions. With hundreds of photos and illustrations, this English-language manual serves as an invaluable resource for both do-it-yourself owners and professional mechanics aiming to maintain and repair the vehicle efficiently.