This manual covers the Mk II, 240, and 340 models, produced between 1956 and 1969. These vehicles, built on an internally developed platform that served as a predecessor to the XJ40, are celebrated for their elegant styling and performance, embodying founding principles of speed and luxury. Equipped with the renowned XK Straight-6 engine, available in 2.4 and 3.4-liter displacements, and featuring a monocoque chassis construction for rigidity, these saloons offer a blend of sporty driving dynamics and refined comfort. The Mk II, produced from 1959 to 1967, and its later cost-reduced variants, the 240 and 340 (1967-1969), represent a significant era in automotive design and engineering, making them highly collectible classic automobiles.

This comprehensive English-language manual serves as an essential resource for enthusiasts, owners, and mechanics alike. It details all aspects of maintenance, repair, and troubleshooting for the covered models. Key areas include in-depth engine overhauling and tuning for the XK engines, service and overhaul procedures for the Moss four-speed manual gearbox and optional automatic transmissions, and detailed guidance on the braking, steering, and suspension systems. The manual also covers bodywork, electrical diagnostics, and provides crucial technical specifications, torque settings, and clearances. By offering step-by-step instructions and diagnostic information, this manual empowers users to maintain, restore, and preserve the integrity of these iconic vehicles.