This manual covers the WOW 90 and WOW 100 ATVs, designed for recreational use and general trail riding. As an entry-level offering from a South Korean manufacturer known for its motorcycles and ATVs, these models typically feature air-cooled, 4-stroke gasoline engines with displacements around 90cc to 100cc. They are equipped with automatic Continuously Variable Transmissions (CVT) and are most commonly configured as two-wheel drive. While specific production years are not detailed, these ATVs likely fall within the late 2000s to early 2010s era. Their engineering prioritizes reliable performance for youth riders and novice enthusiasts, offering a balance of capability and user-friendliness for off-road adventures. This comprehensive workshop manual provides essential information for the maintenance, repair, and servicing of your WOW 90 or WOW 100 ATV. It details general information, periodic maintenance schedules, and in-depth procedures for key systems including the engine, fuel system, electrical system, and chassis. The manual covers a wide range of topics, from routine inspections and fluid changes to complex diagnostics and component replacement, offering specific guidance on engine mechanicals, ignition, lubrication, braking, suspension, and drivetrain. By utilizing the detailed explanations, torque specifications, and troubleshooting guides within this 132-page English-language manual, owners and technicians can effectively maintain the vehicle's performance, ensure its longevity, and address any potential issues.