Generation:
First Generation (Series 1 and Series 2)
Chassis Codes:
452 (Series 1), 452E (Series 2)
Model Years Covered:
1961-1970
Later Name:
Sold as the 420G from 1966 to the end of production in 1970
Body Style:
Full-size 4-door luxury saloon (monocoque construction)
Positioning:
Large, luxurious, and powerful flagship saloon in Jaguar's lineup
Target Audience:
Luxury saloon owners, classic restorers, and technicians
Period Competitors:
Mercedes-Benz S-Class, Rolls-Royce Silver Cloud, Bentley S-Series, Rover P5B
Key Advantage:
High speed and advanced engineering at a lower price than rival luxury marques
Engineering:
XK inline-6 power, independent rear suspension, 4-wheel disc brakes
Manual Purpose:
Maintain, diagnose, and repair the Mark X to factory standard
Manual Type:
Workshop Service Repair Manual
Coverage Areas:
Engine, transmission, fuel, ignition, lubrication, exhaust, electrical, bodywork, maintenance, troubleshooting, overhaul
File Format:
PDF (digital download)
Delivery:
Instant download after purchase
Estimated Pages:
N/A - specific page count not provided in the source description
Engine:
Diagnosis, repair, overhaul, and tuning of XK inline-6 engines (3.8L and 4.2L)
Transmission:
Manual (Moss) and automatic (Borg-Warner DG series) repair and overhaul
Fuel System:
SU HD6/HD8 and Zenith-Stromberg carburetor adjustment, rebuild, fuel pump service
Ignition & Lubrication:
Distributor, coil, spark plugs, oil pump, filter, and lubrication circuits
Cooling & Exhaust:
Radiator, water pump, thermostat, fan, manifolds, pipes, and mufflers
Electrical System:
Wiring diagrams, lighting, instrumentation, starting and charging systems
Brakes & Steering:
Hydraulic disc brakes, parking brake, Burman recirculating-ball steering box, optional power steering
Suspension & Bodywork:
Front double-wishbone suspension, rear suspension, panel alignment, doors, trim
Maintenance:
Routine servicing, lubrication, fluid changes, filter replacement, tune-ups
Troubleshooting:
Diagnostic procedures for faults across all major systems
Repair & Overhaul:
Step-by-step removal, repair, rebuild, and reinstallation procedures
File Format:
PDF (searchable, bookmarked, zoomable)
Compatibility:
Windows, macOS, Linux, iOS, and Android — any device with a PDF reader
Requirements:
A PDF reader application (e.g. Adobe Acrobat Reader, free)
Searchability:
Fully text searchable for fast lookup of any topic
Print Quality:
High-resolution digital pages, printable at full clarity
Binding Type:
N/A — digital download, no physical binding
Paper Type:
N/A — digital download, no physical paper
Engine Range:
3.8L XK inline-6 (to 1964) and 4.2L XK inline-6 (from 1964)
Configuration:
Inline-6, twin overhead camshaft (DOHC)
Output:
Approx. 265 bhp across the engine range
Induction:
SU HD8 carburettors (Zenith-Stromberg on later/emission-market cars)
Top Speed:
Approx. 120 mph (period factory-era figure)
Body Style:
4-door saloon, unitary (monocoque) construction
Curb Weight:
Approx. 4,000 lb (1,815 kg) depending on year and equipment
Exact Figures:
N/A - varies by year; see the manual data tables
Instrumentation:
Full gauge set with speedometer, tachometer, fuel, temperature, and oil pressure gauges
Electrical System:
12-volt Lucas electrical system
Comfort Features:
Luxury saloon trim with wood and leather interior fittings
Driver Assistance:
N/A - era vehicle, no electronic driver aids
Routine Service:
Scheduled oil, filter, and lubrication service per factory intervals
Valve Clearance:
Periodic tappet adjustment on the twin-cam XK engine
Brake Service:
Hydraulic fluid checks, pad wear inspection, and parking brake adjustment
Fluid Specifications:
Engine oil, coolant, gearbox and axle oils, and brake fluid per factory tables
Common Wear Items:
Carburettor tuning, electrical connections, suspension bushings, and rear brake calipers
Manufacturer:
Jaguar (Coventry, England)
Engine Lineage:
XK twin-cam inline-6, in production from 1948 into the Mark X era
Launch:
Introduced 1961 as Jaguar's flagship luxury saloon
Series 1:
1961-1964 with the 3.8L XK engine
Series 2 / 420G:
Renamed 420G in 1966 with the 4.2L XK engine, produced to 1970
