1945-1955 Triumph Speed Twin / Thunderbird / Tiger Workshop Manual Parts-Reference

Covers Triumph Speed Twin, Thunderbird, Trophy & Tiger models with engine, gearbox, electrical, and chassis procedures. Ref: 99-0836

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Document Details

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Document Number / Seller:
24059 / Rebecca Murphy
File Size:
13.34 MB
File Type:
PDF
Language:
English
Pages:
213
Printable:
Yes
Category:
Motorbike
Last updated / verified
Feb 24, 2025

Models Covered & Key Technical Specifications

Triumph 1945-1955 Speed Twin / Thunderbird / Tiger Workshop Manual Parts-Reference Covers Triumph Speed Twin, Thunderbird, Trophy & Tiger models with engine, gearbox, electrical, and chassis procedures. Ref: 99-0836 | Classic British Motorcycle Collection. Unit.

  • System Displacement Data: 498 cc (30.5 cu in) is specified as the engine cylinder volume Sequences.
  • Core Power Output: 27 bhp at 6,300 rpm requires the maximum rated horsepower Baseline.
  • Specific Compression Ratio: The cylinder head specifies 7:1 compression for standard combustion Requirements.
  • Published Fuel Capacity: Tank volume reaches 4 gallons (18 litres) Parameters.
  • Authorized Bore Specification: Cylinder diameter measures 2.48 inches (63 mm) Threshold.
  • Calibrated Stroke Length: Piston travel extends 3.15 inches (80 mm) Configuration.

Professional Workshop Service Manual & Technical Specifications

Detailed Field Manual: Triumph 1945-1955 Speed Twin / Thunderbird / Tiger Workshop Manual Parts-Reference

Model-Designation: Triumph Speed Twin, Thunderbird, Trophy & Tiger Models (99-0836) // Model-Portfolio: 1945-1955 | Classic British Motorcycle Collection. Unit // Model-Portfolio: Engine, Gearbox, Electrical, Chassis, Suspension, Brakes, Wheels, Lighting & Ignition.

Component Baseline Calibration-Spec
Engine Displacement 498 cc (30.5 cu in) 498 cc
Engine Power 27 bhp at 6,300 rpm 27 bhp
Compression Ratio 7:1 7:1
Fuel Capacity 4 gallons (18 litres) 4 gallons
Bore Diameter 2.48 inches (63 mm) 2.48 inches
Stroke Length 3.15 inches (80 mm) 3.15 inches

Documentation sections include:

  • Engine Specifications
  • Ignition System Details
  • Carburetter Operation
  • Gearbox Maintenance
  • Front and Rear Wheel Service

Special procedures are addressed for engine timing and carburetor tuning. Verification procedures are included for ignition timing and brake adjustments. Repair information is provided for gearbox and wheel assemblies. The document includes coverage of lighting and electrical systems. Brake system specifications are included for front and rear brakes.

FAQ

What **components** are covered in this manual? keyboard_arrow_down

This manual covers engine components, gearbox, electrical systems, chassis, suspension, brakes, wheels, and lighting & ignition systems for Triumph Speed Twin, Thunderbird, Trophy, and Tiger models from 1945-1955.

Confirm the **precise** lubrication requirements for the engine. keyboard_arrow_down

For the engine, use oil with a 3.15 inch (80 mm) stroke, and ensure the oil is fed through a pipe to the pressure side of the oil pump.

What tools are **proper** for ignition timing adjustments? keyboard_arrow_down

For ignition timing adjustments, you will need a degree timing disc, a pointer, and a feeler gauge (0.014"-0.016" or 0.36-0.4 mm) for contact breaker gap.

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Reviews (4)

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The manual covers everything I needed to know about my Thunderbird. The service was professional, and the download link came promptly in my email.
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Rated 5 out of 5 stars
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Highly recommend this guide! The download process was quick, and the support team was very responsive when I had questions.
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This manual is a game changer for anyone owning a Triumph from 1945-1955. The detailed breakdowns and diagrams are incredibly helpful!