1969 Triumph Tiger 100, Tiger 90, Speed Twin & 3TA Workshop Manual

Factory workshop documentation for T100, T100S, T100T, T100C, T100R, T90, 5TA, 3TA unit construction twin models. Complete repair procedures, specifications, and service tools reference.

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Document Details

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Document Number / Seller:
23601 / Joseph Lee
File Size:
85.66 MB
File Type:
PDF
Language:
English
Pages:
251
Printable:
Yes
Category:
Motorcycle
Last updated / verified
Dec 27, 2025

Models Covered & Key Technical Specifications

Triumph Tiger 100, Tiger 90, Speed Twin & Twenty-One — 1957–1974 Certified Commercial Compendium | T100 Series Record.

  • Approved Circuit Specs: 490 c.c. (30 cu. ins.) is designed for the engine cylinder volume Architecture.
  • Baseline Heat Tolerance: For optimal performance, 9.0:1 compression ratio controls the combustion chamber pressure Protocol.
  • Primary Processing Speed: 34 BHP at 7,000 rpm is measured at the maximum rated horsepower output Norms.
  • General Resolution Data: 69 × 65.5 mm (2.7165 × 2.58 in.) delivers the bore and stroke dimensions Bounds.
  • Certified Twist Specifications: 60 Ib./sq. in. (4.22 kg./sq. cm.) indicates the normal oil pressure requirement Topology.
  • Reference Power Framework: 3 gallons (13.5 litres) is specified as the fuel tank capacity Margin.

Professional Workshop Service Manual & Technical Specifications

Definitive Technical Reference Manual: Triumph Tiger 100, Tiger 90, Speed Twin & Twenty-One Motorcycle Transmission-Guide

Subsystem-Focus: T100T Tiger 100 Daytona, T90 Tiger 90, 5TA Speed Twin, 3TA Twenty-One, T100S Tiger 100 Sports, T100C Tiger 100 Trophy, T100R Tiger 100 Daytona, T100SS Tiger 100 Service Sports // Technical-Scope: Multi-system workshop documentation with detailed service and repair procedures // Equipment-Series: Unit construction 350cc and 500cc twin cylinder motorcycle transmission systems.

Specification Documentation Scope Included Details
Engine Systems Comprehensive coverage of crankshaft, camshaft, valve mechanisms, and fuel systems Complete technical data with adjustment procedures
Transmission Assembly Clutch, primary chain, gearbox, and rear chain systems Detailed component inspection and service specifications
Frame and Suspension Steering head races, telescopic forks, swinging fork, and rear suspension Alignment procedures and bearing service documentation

Featuring a modular arrangement of technical sections, the manual encompasses maintenance information that covers engine lubrication systems, fuel carburetion components, and electrical equipment procedures. Valve operating mechanisms receive detailed treatment, along with crankcase disassembly and reassembly techniques, while the transmission section addresses clutch operating mechanisms and gearbox adjustments. Suspension system documentation includes swinging fork pivot lubrication, rear damper unit adjustment, and steering head race servicing, combined with brake system stripping and wheel bearing renewal guidance. Telescopic fork procedures are provided for all variants, along with comprehensive wheel alignment and brake lining replacement protocols.

The document includes torque specifications for all critical fastener locations to ensure proper assembly without exceeding safe working limits.

Structure: The manual contains sequential sections addressing lubrication, engine systems, transmission components, frame attachment details, wheels and braking systems, and telescopic fork assemblies. Additional supplement sections provide updated procedures for models after engine number H.65573, incorporating refinements to ignition systems, bearing arrangements, and exhaust system configurations. Service tools required for various procedures are referenced throughout, enabling technicians to obtain necessary equipment for safe and accurate maintenance work.

FAQ

What specifications are **essential** for oil pressure testing parameters? keyboard_arrow_down

65/80 Ib./sq. in. is the normal running pressure required when the engine is hot. At fast idle when hot, the pressure should be 20/25 Ib./sq. in., and when starting from cold the pressure may reach as high as 80 Ib/sq. in., reducing to the normal running figure. These pressures can only be checked with an oil gauge connected to an adaptor replacing the blanking plug at the front of the timing cover.

Check the **correct** diagnostic procedures for oil pressure issues? keyboard_arrow_down

4 pints (190 c.c.) of the correct grade oil must be poured into each fork leg after the hydraulic damper units are fitted and the location drain plug is engaged. If satisfactory readings are not obtained during testing, verify that the oil pressure release valve is clean with correct working clearance, the oil tank level is not below minimum with oil returning to the tank, the sump filter and oil tank filter are clean and not blocked, and the oil drillings in the crankcase connecting the oil pipe junction block to the oil pump are clear.

What does the **documented** fluid capacity requirement specify for the oil system? keyboard_arrow_down

½ pint (190 c.c.) per fork leg is the documented capacity for telescopic fork oil, with 3 gallons (3.6 U.S. gallons, 13.5 litres) for the fuel tank, 6 pints (7.2 U.S. pints, 3.5 litres) for the oil tank, 3 pints (375 c.c.) for the gearbox, and ½ pint (300 c.c.) for the primary chaincase according to Section A2 lubrication specifications found in the general data sections beginning on pages 12-30.

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Reviews (5)

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Rated 4 out of 5 stars
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The email with the download link arrived instantly. Very professional service!
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I had a question about the manual and received a quick response from support. Downloading was a breeze!
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The illustrations and schematics really make this manual stand out. Perfect for both pros and DIYers!
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This manual is a must-have for anyone working on the T100 series. The detailed information is incredibly helpful!