The Bajaj Chetak, a 2003 model scooter, is engineered for personal transportation, offering a reliable and efficient mode of travel. Powered by a 145.5 cc, 2-stroke, air-cooled petrol engine producing approximately 9.7 HP, it features an automatic CVT transmission with chain drive for smooth operation. This motorized scooter, with a kerb weight of around 103 kg and a fuel capacity of approximately 3.5 liters, is designed for road use, providing a practical solution for daily commuting.

This manual serves as a comprehensive guide for the Bajaj Chetak 2003 model, detailing its Test and Block Function Diagram. It covers essential maintenance procedures, including recommended 2-stroke engine oil, and provides insights into the scooter's technical specifications and operational aspects. The information contained herein is intended to assist owners, mechanics, and technicians in effectively maintaining, troubleshooting, and ensuring the optimal performance and longevity of the vehicle.