The QUAD SPORT, a third-generation model produced for the 2009 and 2010 model years, represents a significant offering in the high-performance sport ATV segment. Developed in Japan and known globally for its engineering prowess, the LTZ400 is powered by a robust 398 cc, four-stroke, liquid-cooled, single-cylinder engine. This machine is engineered for enthusiasts, racers, and recreational riders, offering a compelling blend of power, agility, and reliability that has established it as a benchmark against competitors like the Yamaha YFZ450 and Honda TRX450R. Its design prioritizes performance and rider experience, making it a popular choice for demanding off-road conditions.

This comprehensive Service Repair Manual provides essential technical information for the LTZ400 (model code LT-Z400) for the 2009-2010 model years. It covers a wide array of systems, including the engine, fuel, ignition, cooling, transmission, drivetrain, suspension, brakes, electrical, and steering systems, as well as chassis and bodywork. The manual details routine maintenance, troubleshooting guides, step-by-step repair procedures, rebuilding instructions, and torque specifications. With its high-resolution images, clear text, and searchable format, this manual is an indispensable resource for owners and technicians aiming to maintain, repair, and optimize the performance and longevity of their QUAD SPORT.