This USB flash drive contains the complete Autolite 4300 carb information from overhauling, to diagnosis and repair. A must for anyone planning to work on their own carburetor. This USB contains detailed instructions on disassembly and assembly of all major components. This USB version of this manual is a great option for international customers. Light weight, and all you need is a PC, laptop or tablet (with USB support), and you can plug this drive in and access all the same information that you'd find in the full sized shop manual books.