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Triumph SPEED TWIN 1951 User Manual

Triumph SPEED TWIN 1951
212 pages
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Table of Contents

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Triumph SPEED TWIN 1951 Specifications

General IconGeneral
Engine TypeParallel Twin
Displacement498 cc
Power27 hp
Torque38 Nm
Transmission4-speed
Bore x Stroke63 x 80 mm
CarburetorAmal
Front SuspensionTelescopic forks
Compression Ratio7.0:1
Rear SuspensionSwingarm
BrakesDrum brakes

Summary

INTRODUCTION

Taking Over the Machine

Guidance for new owners on initial checks, tyre pressure, and fuel for the machine.

Starting the Engine (Cold)

Step-by-step instructions for starting the engine when cold, with specific notes for carburetter types.

Technical Data

SPEED TWIN (5T) TECHNICAL DATA

Detailed engine, ignition, carburetter, and transmission specifications for the Speed Twin model.

CONTROLS-INSTRUMENTS

ADJUSTMENT OF CONTROLS AND RIDING POSITION

Instructions on how to adjust controls like footrests, handlebars, and levers for rider comfort.

Engine Lubrication System

LUBRICATION MAINTENANCE

Essential maintenance tasks for the engine's oil system, including checks and cleaning intervals.

ROUTINE MAINTENANCE AFTER RUNNING-IN PERIOD

ENGINE

Details routine checks for engine oil, filters, tappets, and spark plugs.

THE ENGINE

Removing the Engine from the Frame

Dismantling the Engine

TIMING THE ENGINE

GEARBOX

REMOVING THE GEARBOX FROM THE FRAME

Dismantling Gearbox

Assembling the Gearbox

Installing Gearbox

CLUTCH AND SHOCK ABSORBER UNIT

Assembling Clutch

TRIUMPH TELESCOPIC FORK

Front Wheel

Rigid Rear Wheel

TYRES

Amal Carburetter

LUCAS ELECTRICAL EQUIPMENT

A.C. Ignition Fault Finding

ENGINE WILL NOT START. NO SPARK AT PLUGS.

Steps to diagnose and resolve ignition faults leading to a no-spark condition.

FAULT FINDING

ENGINE WILL NOT START

Troubleshooting steps for when the engine fails to start or run smoothly.

ENGINE STOPS

Common reasons for the engine stopping unexpectedly during operation.

ENGINE MISFIRES

Diagnosing and rectifying engine misfiring issues.

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