The Zip 100 4T is a versatile urban commuter scooter, recognized for its compact design, fuel efficiency, and user-friendly operation. Originating from Italy, this model is part of the established Zip series and is engineered to provide reliable transportation for daily commutes. Its 4-stroke, single-cylinder, air-cooled engine, with a displacement of approximately 97.7 cc, delivers performance suitable for city environments, complemented by an automatic CVT transmission for seamless riding. This comprehensive repair service manual is designed to assist both professional technicians and DIY mechanics in maintaining and repairing the Zip 100 4T. It covers a wide array of systems, including detailed procedures for engine mechanicals, fuel, ignition, lubrication, cooling, exhaust, transmission, chassis, suspension, braking, wheels, steering, and electrical components. The manual provides factory-level detail, step-by-step repair instructions, troubleshooting guides, critical technical specifications, and helpful illustrations or diagrams to ensure accurate and efficient servicing.