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Triumph SPEED TWIN 1955 User Manual

Triumph SPEED TWIN 1955
212 pages
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Table of Contents

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Triumph SPEED TWIN 1955 Specifications

General IconGeneral
Engine TypeParallel Twin
Displacement649 cc
Transmission4-speed
Top Speed160 km/h
Compression Ratio8.5:1
CarburetionAmal Monobloc
Front SuspensionTelescopic forks
Rear SuspensionSwingarm with twin shock absorbers
Front BrakeDrum
Rear BrakeDrum
EngineAir-cooled
FrameSteel tubular

Summary

Technical Data - TIGER 110 (T110)

Engine Specifications

Core engine performance and timing specifications for the Tiger 110 (T110) model.

ENGINE LUBRICATION SYSTEM

Dry Sump System Explanation

Detailed explanation of the motorcycle's dry sump oiling system and its components.

TAPPET ADJUSTMENT (SEE SUPPLEMENT)

Valve Tappet Adjustment Guide

Detailed instructions for adjusting valve tappets on various Triumph models.

Crankshaft and Connecting Rod Assembly

Crankshaft and Connecting Rod Inspection

Detailed guide for inspecting and identifying crankshaft and connecting rod components.

Connecting Rod Assembly

Instructions for assembling connecting rods, ensuring correct tension and lubrication.

TIMING THE ENGINE

Valve Timing Procedures

Detailed guide for timing the engine, including valve and ignition timing procedures.

TIMING THE ENGINE - INLET CAMSHAFT TIMING

Inlet Camshaft Timing Accuracy

Specific steps for setting the inlet camshaft timing and verifying accuracy.

IGNITION TIMING (RACING)

Degree Disc Ignition Timing Method

Method for precise ignition timing using a degree disc, suitable for performance tuning.

IGNITION TIMING (MAGNETO)

Magneto Ignition Timing Setup

Guide for setting magneto timing, including magneto wheel, contact breaker, and piston positioning.

IGNITION TIMING (COIL)

Coil Ignition Component Replacement

Procedures for ignition system components when using coil ignition.

Distributor Positioning and Timing

Steps for correctly positioning the distributor and setting contact breaker points.

Coil Ignition Timing

Final Coil Ignition Timing Checks

Final checks and connections for coil ignition timing.

DISMANTLING THE GEARBOX

Gearbox Disassembly Steps

Comprehensive guide to disassembling the gearbox.

ASSEMBLING THE GEARBOX

Gearbox Internal Assembly

Detailed guide for reassembling the gearbox internal components.

CLUTCH AND SHOCK ABSORBER UNIT

Clutch Operation and Maintenance

Explanation of the clutch mechanism, its operation, and critical maintenance points.

OVERHAULING THE CLUTCH - DISMANTLING

Clutch Assembly Disassembly Steps

Procedures for disassembling the clutch assembly.

DISMANTLING CLUTCH - Clutch Slotted Nuts

Clutch Nut and Spring Removal

Specific steps for removing clutch slotted nuts and associated springs.

Clutch Plate and Mainshaft Nut Removal

Further steps in clutch dismantling, including plate removal and mainshaft nut.

REMOVING CLUTCH - Clutch to Mainshaft Nut

Clutch Mainshaft Nut Removal

Procedure for removing the mainshaft nut securing the clutch assembly.

REMOVING CLUTCH - Clutch Housing

Clutch Housing and Sprocket Removal

Steps for removing the clutch housing and related drivetrain components.

ASSEMBLING THE CLUTCH

Clutch Reassembly Steps

Detailed guide for reassembling the clutch assembly.

TRIUMPH TELESCOPIC FORK - MAINTENANCE

Telescopic Fork Upkeep Procedures

Comprehensive guide to telescopic fork maintenance, including oil changes and general upkeep.

ADJUSTING THE STEERING HEAD RACES

Steering Head Bearing Adjustment

Steps for checking and adjusting steering head bearing play for safe steering.

Dismantling Telescopic Fork

Telescopic Fork Disassembly Steps

Steps for disassembling the telescopic fork, including top lug, middle lug pinch bolts, and oil drain.

ALIGNMENT INSTRUCTIONS, Fig. 41.

Front Fork Alignment Procedure

Guide on how to correctly align the front fork assembly.

ADJUSTING THE BRAKES

Brake Adjustment Procedures

Instructions for adjusting brake mechanisms for optimal stopping power.

Dismantling Rigid Rear Wheel

Rigid Rear Wheel Disassembly Steps

Detailed guide for disassembling the rear wheel assembly.

Dismantling Spring Wheel - Brake Anchor Plate

Brake Anchor Plate Disassembly

Detailed procedure for disassembling the spring wheel's brake anchor plate.

Dismantling Spring Wheel - DISMANTLING THE PLUNGER GUIDE BOX ASSEMBLY

Plunger Guide Box and Brake Cam Disassembly

Specific instructions for disassembling the plunger guide box and brake cam.

AMAL CARBURETTER (Models 5T, TR5, T100 & T110)

Amal Carburetter Operation and Faults

Detailed guide for Amal carburetter operation, maintenance, and troubleshooting.

Amal Monobloc Carburetter Function

Explanation of the Amal Monobloc carburetter's working principles and adjustments.

THE S.U. M.C.2. CARBURETTER * - ADJUSTMENT AND TUNING

S.U. Carburetter Tuning Guide

Instructions for adjusting and tuning the S.U. carburetter for optimal engine running.

LUCAS ELECTRICAL EQUIPMENT - DYNAMO

Dynamo System Overview

Explanation of the dynamo's charging system and its components.

Dynamo Maintenance - MAGNETO

Magneto Ignition System Maintenance

Maintenance procedures for the magneto ignition system.

MAGNETO MAINTENANCE - Adjustment of Contact Breaker Setting

Contact Breaker Setting and Cleaning

Guide for setting the magneto contact breaker points and ensuring clean operation.

CONTACT BREAKER SETTING

Contact Breaker Gap Adjustment and Cable Replacement

Procedure for setting contact breaker points and replacing ignition cables.

A.C. Ignition Fault Finding - ENGINE WILL NOT START. NO SPARK AT PLUGS.

Troubleshooting No Spark Condition

Diagnostic steps for ignition system failures causing no spark.

The Amal Monobloc Carburetter - HOW IT OPERATES

Amal Monobloc Carburetter Operation

Detailed explanation of the Amal Monobloc carburetter's working principles and adjustments.

Crankcase Assembly (3T De Luxe) - To Assemble the 3T Crankshaft

3T Crankshaft Assembly Procedure

Detailed procedure for assembling the crankshaft for the 3T model.

Spring Wheel Mk. 1 - DISMANTLING

Spring Wheel Mk. 1 Disassembly

Step-by-step guide for disassembling the early type of Spring Wheel.

ASSEMBLY (SPRING WHEEL Mk. 1)

Spring Wheel Mk. 1 Reassembly

Procedures for reassembling the Spring Wheel Mk. 1.

FAULT FINDING - ENGINE WILL NOT START

Engine Starting Troubleshooting

Diagnostic steps for engine starting failures, including fuel and ignition checks.

ENGINE STOPS

Engine Stalling Troubleshooting

Troubleshooting guide for engine stalling issues, focusing on fuel and ignition.

ENGINE MISFIRES

Engine Misfire Troubleshooting

Diagnostic steps for engine misfiring, covering plugs, carburetters, and ignition timing.

FAULT FINDING - LOSS OF POWER

Engine Power Loss Diagnosis

Steps to diagnose and fix engine power loss issues.

ENGINE OVERHEATS

Engine Overheating Troubleshooting

Diagnostic steps for engine overheating problems.

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