This comprehensive workshop service manual covers 914 series engines, including the F3L 914, F4L 914, F5L 914, F6L 914, BF3L 914/T, BF4L 914/T, and BF6L 914 C/T models. Designed to provide essential instructions for maintaining and servicing these engines, it draws upon detailed diagrams and original equipment manufacturer specifications, reflecting the robust engineering and reliability characteristic of products. This manual is an invaluable resource for ensuring the optimal performance and longevity of your 914 engines. The scope of this manual is extensive, encompassing all necessary procedures for the proper upkeep and repair of the covered engines. It includes detailed sections on technical data, cylinder heads, drive systems, crankcases, engine control, exhaust and charging systems, fuel and lube oil systems, cooling systems, and electrical components, among others. With user instructions, commercial and special tool information, and numerous illustrations, diagrams, and charts, this manual serves as a definitive guide for owners, mechanics, and technicians seeking to understand, maintain, and repair these engines efficiently and effectively.