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Yamaha 2002 TW125 User Manual

Yamaha 2002 TW125
57 pages
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Yamaha 2002 TW125 Specifications

General IconGeneral
Engine TypeAir-cooled, 4-stroke, SOHC, 2-valve
Displacement124cc
Fuel SystemCarburetor
IgnitionCDI
Transmission5-speed
Final DriveChain
Front SuspensionTelescopic fork
Front BrakeSingle disc
Rear SuspensionSwingarm
Starting SystemElectric

Summary

SYMBOLS GUIDE

CHAPTER SYMBOLS

Symbols indicating the subject of each chapter.

INFORMATION SYMBOLS

Symbols indicating specific information types.

LUBRICATION SYMBOLS

Symbols indicating types of lubricants and lubrication points.

PART MARKINGS

Symbols indicating part replacement or application.

GENERAL SPECIFICATIONS

DIMENSIONS AND BASIC SPECS

Overall dimensions, wheelbase, and ground clearance.

CARBURETOR AND TRANSMISSION

Details on carburetor type and transmission ratios.

CHASSIS AND TIRE DATA

Frame type, caster, trail, and tire specifications.

ELECTRICAL AND LIGHTING SPECS

Ignition, battery, and bulb wattage details.

MAINTENANCE SPECIFICATIONS

ENGINE SPECIFICATIONS

Data for engine clutch, carburetor, and torques.

CHASSIS SPECIFICATIONS

Data for front/rear suspension, drive chain, brakes.

CHASSIS TIGHTENING TORQUES

Torque values for chassis components.

ELECTRICAL SPECIFICATIONS

Details on charging system, battery, and starter.

CABLE ROUTING

FRONT CABLE ROUTING

Routing for brake hose and throttle cables.

HANDLEBAR CABLE ROUTING

Routing for switch leads and meter lead.

WIRE HARNESS ROUTING

Routing of the main electrical wire harness.

PERIODIC CHECKS AND ADJUSTMENTS

MAINTENANCE INTERVALS AND SCHEDULE

Schedule for periodic maintenance and lubrication tasks.

SYSTEM-SPECIFIC CHECKS

Checks for fuel, ignition, air, clutch, brakes, wheels, and suspension.

CARBURETOR AND ENGINE OIL MAINTENANCE

Maintenance for carburetor and engine oil.

LIGHTING AND SIGNAL CHECKS

Checks for lights, signals, and switches.

ENGINE ADJUSTMENTS

ADJUSTING ENGINE IDLING SPEED

Procedure to set the engine's idle speed.

THROTTLE CABLE ADJUSTMENTS

ADJUSTING THROTTLE CABLE FREE PLAY

Procedure to adjust throttle cable free play.

ELECTRICAL SYSTEM MAINTENANCE

CHECKING AND CHARGING THE BATTERY

Procedures for checking and charging the battery.

LIGHTING SYSTEM MAINTENANCE

REPLACING THE HEADLIGHT BULB

Step-by-step guide to replace the headlight bulb.

LIGHTING SYSTEM ADJUSTMENTS

ADJUSTING THE HEADLIGHT BEAM

Procedure for adjusting headlight beam direction.

ENGINE - CLUTCH SERVICE

REMOVING THE CLUTCH

Steps for removing the clutch assembly.

CLUTCH COMPONENTS

Exploded view and parts list for the clutch.

CARBURETOR SERVICE

REMOVING THE CARBURETOR

Steps for removing the carburetor.

CARBURETOR DISASSEMBLY

Step-by-step disassembly of the carburetor.

CARBURETOR CHECKS

Inspection of carburetor body, passages, and components.

CARBURETOR ASSEMBLY

Step-by-step assembly of the carburetor.

CARBURETOR INSTALLATION & FUEL LEVEL

Installing the carburetor and adjusting fuel level.

CHASSIS COMPONENTS SERVICE

FRONT WHEEL AND BRAKE DISC

Service procedures for the front wheel and brake disc.

REAR WHEEL AND BRAKE SERVICE

Service procedures for the rear wheel and brake system.

REAR BRAKE AND SPROCKET

Service procedures for rear brake and sprocket.

REAR WHEEL DISASSEMBLY

Steps for disassembling the rear wheel.

FRONT FORK SERVICE

Service procedures for the front fork assembly.

HANDLEBAR SERVICE

Service procedures for the handlebar.

STEERING HEAD SERVICE

Service procedures for the steering head assembly.

ELECTRICAL SYSTEMS AND WIRING

IGNITION SYSTEM CIRCUIT DIAGRAM

Wiring diagram for the ignition system.

IGNITION SYSTEM MAINTENANCE

Procedures for checking the ignition system.

WIRING DIAGRAM

Comprehensive wiring diagram with component list.

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