When you order through the buttons on this page, we may earn a small commission at no extra cost to you. Learn more >
Triumph Stag (1970-1978) repair manuals
A repair manual for your Triumph Stag (1970-1978)? Here are detailed shop manuals for DIY service and repairs on Triumph sports cars.
They offer clear instructions for maintenance, troubleshooting, and parts replacement.
Are you also looking for parts or accessories for your Triumph? Then try our Parts Finder.
Triumph Stag V8 - All models (1970-1978) | Haynes Owners Workshop Manual
Haynes Classic Repair Manual for the Triumph Stag Coupé and Stag Convertible.
Petrol engines: V8 - 2997 cc OHC.
Production years: 1970-1978. Covers models with manual transmission, overdrive and automatic transmission.
This Haynes manual for the Triumph Stag describes service and repair of the V8 engine (valves, camshaft, cylinder head, oil pump, seals and radiator).
It also includes procedures for the cooling system, ventilation, fuel system, exhaust, starting and charging system. Additionally, it describes work on the clutch, gearbox, driveshafts, braking system, suspension, steering gear, body, interior, and electrical system.
- Step-by-step instructions with hundreds of detailed photos guide you through every job.
- Based on a complete vehicle strip-down and rebuild.
- Includes a maintenance schedule, technical specifications, torque wrench settings, and troubleshooting tables.
- Clear and detailed wiring diagrams.
Product details
| Details: | 206 pages, 27 x 21 x 1 cm / 10.6 x 8.25 x 0.39 in, paperback |
| Illustrations: | hundreds of photos and drawings |
| Publisher: | Haynes Publishing (GB, 2013) |
| Series: | Haynes Owners Workshop Manual (0441) |
| ISBN: | 9780857336033 |
More information on the Haynes Classic Manuals
Triumph Stag (1971-1973) - Official Repair Operation Manual
Official factory workshop manual (reprint) for maintenance and repair of the Triumph Stag.
Production years: 1971-1973.
Covers the complete vehicle:
- engine (cylinder head, engine block, fuel system, ignition, lubrication, cooling, heater and exhaust)
- driveline (transmission, propeller shaft, rear axle and differential)
- chassis (front axle, suspension, shock absorbers, steering system, brakes, servo unit, handbrake, wheel bearings and wheels)
- electrical system (battery, starter motor, alternator, voltage regulator, headlamps, tail lights, turn signals, dashboard, windscreen wipers)
- body (welded components, bumpers, bonnet, fenders, doors, boot lid, fixed windows, window mechanisms, seats, dashboard, interior trim, interior lamps).
- Clear, very detailed instructions with drawings, photos and specifications.
- High-quality reprint.
- This is the same technical manual as was used in the Triumph dealer's workshop at the time. Triumph reference: AKM3966.
Product details
| Details: | 640 pages, 29 x 19.5 x 3.3 cm / 11.4 x 7.7 x 1.3 in, paperback |
| Illustrations: | profusely illustrated |
| Publisher: | Standard-Triumph Ltd (GB, 1990) |
| ISBN: | 9781855200135 |
More information on the Triumph workshop manuals
Triumph Stag - 3.0 V8 Mk 1 and Mk 2 (1970-1977) | Autobooks Owners Workshop Manual
Autobooks repair manual for the Triumph Stag 3.0 V8 Mk 1 and Mk 2.
Petrol engines: V8 - 3.0 L.
Production years: 1970-1977.
This Autobooks Manual for the Triumph Stag sports cars provides comprehensive step-by-step instructions for work on the V8 petrol engine, fuel system, ignition and cooling.
Covers also the clutch, the gearbox and overdrive, the rear axle, the rear wheel suspension, the front suspension, the steering box, the brakes, the electrical system and the body.
- Includes tables with detailed service data and torque specifications.
- Complete with wiring diagrams.
Product details
| Details: | 158 pages, 28 x 21 cm / 11 x 8.25 in, paperback |
| Illustrations: | numerous photos, drawings and exploded views |
| Publisher: | Autobooks / Brooklands Books (GB, 1977) |
| Series: | Autobooks Owners Workshop Manual (OWM 808) |
| ISBN: | 9781783181490 |
More information on the Autobooks Workshop Manuals
Triumph Stag - Official Owner's Handbook
Official owner's handbook for the Triumph Stag. Describes operation, instruments, use, service intervals, routine maintenance, identification, specifications, etc.
This is the original instruction handbook that came with every new car. Triumph reference: 545105 (1976).
Product details
| Details: | 76 pages, 20.5 x 14.5 x 0.5 cm / 8.1 x 5.7 x 0.2 in, paperback |
| Illustrations: | numerous photos and drawings |
| Publisher: | Triumph Motor Company Ltd (GB, 1976) |
| ISBN: | 9781855206830 |
More information on the Triumph owner's handbooks
Triumph Stag - Parts Catalogue
Official parts catalogue (reprint) for the Triumph Stag. Contains drawings (exploded views) and lists with parts numbers.
This is the same parts catalogue that was used in the Triumph dealer's workshop at the time. Triumph reference: 519579.
Product details
| Details: | 408 pages, 29 x 19.5 x 2.7 cm / 11.4 x 7.7 x 1.06 in, paperback |
| Illustrations: | numerous drawings |
| Publisher: | Standard-Triumph Ltd (GB, 2006) |
| ISBN: | 9781870642996 |
More information on the Triumph parts catalogues
Related titles:
![[AKM3974] Triumph 2000 & 2500 - WSM](../afb/BL/T272WH.jpg)
Triumph 2000 & 2500 - Official Repair Operation Manual
English | paperback | 560 p. | 1986

Triumph 2000, 2500 & 2.5 - Mk I & Mk II (1963-1977)
English | hardback | 283 p. | 1981
![[AKM 3617/2] Triumph 2000, 2500 TC & 2500S](../afb/BL/T644HH.jpg)
Triumph 2000, 2500 TC & 2500S - Official Owner's Handbook
English | paperback | 92 p. | 1995
![[0135] Triumph 2000 (1963-1977)](../afb/PP/20881.jpg)
Triumph 2000 (1963-1977)
German | paperback | 74 p. | 2017
Years: 1970 1971 1972 1973 1974 1975 1976 1977 1978