1962-1974 MG BChrome-Bumper MGB

Technical Reference

Member-uploaded diagrams & documents for this generation. AI-classified; community-verified where badged.

Manual Pages (10)

• MGB Tourer & GT 1962-1972 Workshop Manual Table of Contents - Wiring & Tuning
  This page is a table of contents (page xi) from an MGB workshop manual compilation covering the MGB Tourer and GT. It lists chapters M through S of the main workshop manual: the braking system (page 245), braking…
• MGB Workshop Manual Table of Contents - Engine, Gearbox, Overdrive Sections
  This is a table of contents page (page x) from an MGB service publication. The top portion concludes an owner-maintenance section, listing chapters on Electrical (batteries, fuses, headlamps, lamps, alternator, wipers…
• MGB Tourer & GT Driver's Handbook Contents Page (1962-1970 & 1971-1973)
  This is page ix, a Contents (table of contents) page from an MGB reference manual compiling the official MGB Tourer and GT Driver's Handbooks. It lists two major sections: Chapter 1 covers the Official MGB Tourer and…
• British to American Car Terms Glossary - MG B Manual Page viii
  This is page viii of an automotive service manual, presenting a glossary that translates British English automotive terminology into American English equivalents. It covers three categories. Under ELECTRICAL, it…
• MGB Workshop Manual Preface - Maintenance, Tools & Fuel/Oil Recommendations
  This is the Preface page (page V) of an MGB service publication set, introducing the three companion manuals: the Driver's Handbook (owner's manual with lubrication and minor tune-up procedures), the Workshop Manual…
• MGB Wiring Diagram Key - Component Numbers & Cable Colour Code (Page 312)
  This is page 312 (section Nb, page Nb.2) from an MGB workshop manual, titled 'Key to the Wiring Diagrams.' It provides a master numbered legend used to identify components on all wiring diagrams in the manual, readers…
• MGB Workshop Manual Contents Page - Section Index A-S (1971 MG B)
  This is the Contents (table of contents) page from an MGB workshop manual, identified by the footer 'MGB. Issue 1. 82448' and page number 45. It lists all sections of the manual and their section letter codes…
• MGB Workshop Manual Introduction Page - British Leyland 1972, Issue 9
  This is the Introduction page (page 44) from the British Leyland MGB Workshop Manual (Issue 9, copyright British Leyland UK Limited, 1972). It explains the manual's purpose, assisting skilled mechanics in performing…
• MG MGB Owner's Handbook Foreword - MGB GT & Tourer, BMC Service & Warranty
  This is page 2, the Foreword, of a BMC owner's handbook for the MG MGB, illustrated with line drawings of the two body styles: 'THE MGB GT' (fixed-head coupe, drawing reference B 6325) and 'THE MGB TOURER' (open…
• MGB 18G/18GA Distributor Advance Curves & Increased-Capacity Oil Sump - Manual p456
  This is page 456 from an MG workshop manual section titled 'Other Special Items,' covering competition/tuning modifications. The page contains two figures. Fig. 4 presents distributor advance curves plotting…

Service Procedures (8)

• MGB Twin SU Carburetter Tuning - Initial Settings & Tuning Conditions (Page 428)
  This is page 428 (section 4-12, 'Engine Emission, Issue 3, 24062') of a British Leyland-style workshop manual covering twin SU carburetters, uploaded to a 1971 MG B gallery. The page shows a labeled illustration of a…
• MGB Carburetter Reassembly Steps 22-34 - Spring-Loaded Needle & Jet Setting
  This page (page 425, section 4-9) from an 'Engine Emission' workshop manual (Issue 4, ref. 18959) covers the final reassembly steps for SU-type carburetters. Steps 22-26 detail refitting spring-loaded jet needle…
• MGB Twin SU Carburetter Tuning & Balancing Procedure - Engine Emission Manual
  This is page 420 (section 4-4) of a British Leyland engine emission workshop manual section titled 'CARBURETTERS', covering the tuning and balancing procedure for twin SU carburetters. A note explains that on…
• MG B SU Carburetter Tuning & Twin Carburetter Adjustment - Engine Emission p419
  This is page 419 (section 4-3) of an 'Engine Emission' service manual (Issue 3, 12383) covering carburetter tuning procedures, uploaded to a 1971 MG B gallery. The page continues a single-carburetter tuning procedure…
• MGB Workshop Manual p134 - SU Carburetter Removal, Tuning & Float Level (D.4)
  This is page 134 (page D.12) from the MGB workshop manual, Section D, The Fuel System, covering SU carburetter service. It begins with Fig. D.11, showing how to check the nylon float level using a 1/8 to 3/16 in. (3.18…
• MGB Engine Manual p.80: Cylinder Head Refitting, Valve & Guide Replacement (A.7)
  This is page 80 (section A, 'The Engine') of an MG B workshop/service manual, covering completion of cylinder head refitting and the beginning of Section A.7, 'Valve Gear and Valves'. The cylinder head refitting…
• MGB Workshop Manual p77 - Rocker Bushes & Cylinder Head Removal, Fig A.2 Sequence
  This is page 77 of the MGB workshop manual ('THE ENGINE' section, page A.5, Issue 6, ref. 25729). It completes the rocker shaft assembly procedure (Section A.5), covering removal of the eight rocker shaft bracket nuts…
• 1971-1973 MGB Service Manual p39 - Transmission, Steering & General Data Specs
  This is page 39 of an MGB service/maintenance manual covering three sections: Transmission, Steering/Suspension, and General Data. The Transmission section explains checking gearbox oil via the combined filler/dipstick…

Data/Spec Plates (6)

• MGB Tuning Data to 1971 & 1971 - Ignition Timing, Distributor, SU Carb Specs
  This document is page 443 (section 6-9, Engine Emission, Issue 6) of an MGB workshop manual, presenting complete tuning data in two columns: 'To 1971' (engines 18GF, 18GH, or 18GJ) and '1971' (engine 18GK). Both share…
• MGB GHN5/GHD5 18V Engine General Data - Valve, Starter & Spring Specs
  This is page 65 of an MGB workshop manual, titled 'General Data (GHN5/GHD5 Cars, 18V type Engine)'. It provides supplementary specifications applicable to GHN5 (Tourer) and GHD5 (GT) series MGBs from Car No. 258001…
• MGB 1967-1973 General Data: Engine Types, Carb Needles, Distributor & Torque Specs
  This is page 64 ("General Data 18") of the MGB workshop manual (Issue 3, 83910), presenting supplementary general data for MGB models GHN5/GHN4 and GHD5/GHD4 fitted with equipment to local and territorial (emission)…
• MGB 18G/18GA Engine General Data Specs - Bore, Stroke, Crankshaft, Bearings
  This is page 47 of the MGB workshop manual (marked "MGB. Issue 7. 80619", "General Data 1"), presenting the General Data specifications for the 18G/18GA engine. It lists core engine specifications: 4 cylinders, 3.16…
• MGB & MGB GT Specifications, Capacities, Tyre Pressures & Maintenance Schedule
  This is page 40 of an MGB owner's handbook, presenting general data specifications and a maintenance summary. The left column lists Capacities (10-gallon fuel tank, 12 gallons non-evaporative loss version, cooling…
• MGB Special Tuning p.455 - Suspension Tuning, Road Spring Rates & Competition Parts
  This is page 455 of an MGB competition/special tuning reference. It covers a lightened flywheel (C-AHT 86, 16¾ lb.), steel timing chain sprockets for high-rpm use, and an extensive Suspension Tuning section explaining…

Torque Specs (4)

• MGB 18V Engine Tuning Data (ECE 15 European Spec) - Timing, Plugs, SU HIF4
  This document is page 72 of an MGB workshop manual (marked "Engine Tuning Data 6, MGB. Issue 2. 83910") presenting complete engine tuning data for 18V engines built to European emission control requirements (ECE 15)…
• MGB 18V 581Y/582Y/583Y Engine Tuning Data - Timing, Plugs, Carb Specs
  This is page 71 of an MG B workshop manual (marked 'MGB. Issue 2. 83910', 'Engine Tuning Data 5') giving complete engine tuning data for the 18V 581Y, 18V 582Y, and 18V 583Y engines. It lists engine specifications…
• MGB 18V 581F/582F/583F Engine Tuning Data - Timing, Distributor, Carb Specs
  This is page 70 of an MGB workshop manual (Engine Tuning Data 4, MGB Issue 3, ref. 83910), presenting complete engine tuning data for the 18V 581F, 18V 582F and 18V 583F engines. It lists engine specifications: 1798…
• MGB 18G/18GA Torque Wrench Settings - Engine, Axle, Suspension & Steering Specs
  This is page 55 ("General Data 9") from the MGB workshop manual, Issue 5 (reference 15676), continuing the General Data section for the 18G/18GA engine. The page lists complete factory torque wrench settings, given in…

Exploded Parts (3)

• MGB SU Carburetter Components Exploded Parts Diagram - Workshop Manual p132
  This is page 132 (section reference D.10) from the MGB workshop manual, titled 'The Carburetter Components'. The page consists entirely of a large exploded-view line drawing of the twin SU carburetter assembly and its…
• MGB Workshop Manual p.131 - SU HS4 Carburetter Diagrams & Fuel Pump Faults
  This is page 131 (section D.9) from an MGB workshop manual chapter titled 'The Fuel System'. The page covers SU fuel pump troubleshooting and includes two labeled illustrations of the SU HS4 carburetter. Text sections…
• MGB Cylinder Head Components Exploded Diagram - Parts Manual Page 78 (A.6)
  This document is page 78 (section reference A.6) of an MGB factory parts/service manual, marked "MGB. Issue 6. 25729". It contains a single full-page exploded-view illustration titled "THE CYLINDER HEAD COMPONENTS"…

Blueprints (2)

• MGB 18GB Engine Oil Pump Cover & Oil Filter Head Machining Diagrams (Figs 7-8)
  This page, titled "Other Special Items" (page 458), presents two dimensioned engineering drawings related to engine oiling modifications. Fig. 7 (drawing reference A.9517) is a diagram showing a portion of the oil pump…
• MGB Oil Sump Baffle Plate Blueprint (Fig. 6), Oil Pump Tuning & Torque Specs
  This is page 457 of a competition/tuning reference for the MGB. The top half is Fig. 6, a dimensioned blueprint titled 'Detail of oil sump baffle plate,' made from 20 S.W.G..036" mild steel, with full fabrication…

Wiring Diagrams (1)

• MGB Wiring Diagram with Key & Cable Colour Code - Workshop Manual Page 13
  This is page 13 of a factory workshop manual, presenting Section J, the complete vehicle wiring diagram along with its numbered key. The key identifies over 50 electrical components by callout number, including the…

Schematics (1)

• MGB Engine Lubrication System Diagram - Oil Flow, Filter & Rocker Gear Detail
  This page, labeled Section A.2 from an MGB workshop manual (Issue 8, publication 80619, page 74), presents 'The Engine Lubrication System' as an annotated cutaway schematic of the MGB engine. The main illustration…