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Yamaha DT125R 2004 User Manual

Yamaha DT125R 2004
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1D0-F8199-E2
DT125R
DT125X
OWNER’S MANUAL
1D0-F8199-E2.qxd 20/9/04 11:32 Página 1
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Table of Contents

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Yamaha DT125R 2004 Specifications

General IconGeneral
Displacement124 cc
Fuel SystemCarburetor
IgnitionCDI
Transmission6-speed
Front SuspensionTelescopic forks
Front BrakeSingle disc
Rear BrakeSingle disc
Front Tire80/90-21
Rear Tire110/80-18
Width840 mm
Engine TypeLiquid cooled, 2-stroke, single cylinder
Bore x Stroke56.0 mm x 50.7 mm
Rear SuspensionSwingarm (monocross)

Summary

SAFETY INFORMATION

Safe riding

General advice for safe operation and accident prevention.

Protective apparel

Essential gear for rider protection during operation.

DESCRIPTION

Controls and instruments

Details the location and function of various controls and instruments.

INSTRUMENT AND CONTROL FUNCTIONS

Main switch/steering lock

Explains the operation of the main switch and steering lock positions.

Indicator and warning lights

Describes the function of various indicator and warning lights on the dashboard.

Speedometer unit

Explains the speedometer, odometer, and tripmeter functions.

Handlebar switches

Details the operation of the turn signal, horn, and dimmer switches.

Fuel

Important information regarding fuel type, tank capacity, and refueling.

2-stroke engine oil

Information on checking and filling the 2-stroke engine oil tank.

PRE-OPERATION CHECKS

Pre-operation check list

Lists checks to perform before riding for safety and maintenance.

OPERATION AND IMPORTANT RIDING POINTS

Starting a cold engine

Step-by-step guide to starting the engine when it's cold.

Starting a warm engine

Procedure for starting the engine when it is already warm.

Engine break-in

Instructions for breaking in the engine during the first 1000 km.

PERIODIC MAINTENANCE AND MINOR REPAIR

Periodic maintenance and lubrication chart

Details scheduled checks and lubrication intervals based on mileage.

Checking the spark plug

Guide to inspecting the spark plug for engine condition diagnosis.

Transmission oil

Instructions for checking and changing the transmission oil.

Coolant

Steps for checking and changing the engine coolant level.

Cleaning the air filter element and check hose

Guide to cleaning the air filter element and checking the associated hose.

Adjusting the engine idling speed

Procedure for adjusting the engine's idle speed to the correct specification.

Tires

Information on tire air pressure, checking, and adjustment based on load.

Adjusting the clutch lever free play

Instructions for checking and adjusting clutch lever free play.

Adjusting the brake lever free play

Guide to checking and adjusting brake lever free play.

Troubleshooting

A guide to diagnosing and resolving common starting and performance issues.

Engine overheating

Explains how to handle engine overheating and check coolant.

MOTORCYCLE CARE AND STORAGE

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