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Yamaha XT250X User Manual

Yamaha XT250X
282 pages
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3C5-28197-10
XT250X
XT250XC
SERVICE MANUAL
LIT-11616-21-52
2008

Table of Contents

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Yamaha XT250X Specifications

General IconGeneral
Engine TypeAir-cooled, 4-stroke, SOHC, 2-valve
Engine Displacement249cc
Compression Ratio9.5 : 1
Fuel SystemFuel injection
IgnitionTCI
Transmission5-speed
Final DriveChain
Front SuspensionTelescopic fork
Front BrakeSingle disc
Rear BrakeSingle disc
Height1, 160 mm (45.7 in)
Ground Clearance285mm (11.2 inches)

Summary

SPECIFICATIONS

ENGINE SPECIFICATIONS

Detailed technical data for the engine components and performance.

CHASSIS SPECIFICATIONS

Technical data related to the vehicle's frame, suspension, wheels, and brakes.

ELECTRICAL SPECIFICATIONS

Technical data for the vehicle's electrical system components and performance.

TIGHTENING TORQUES

Specifies torque values for various fasteners during assembly and maintenance.

PERIODIC CHECKS AND ADJUSTMENTS

ENGINE

Procedures for checking and adjusting engine-related components and systems.

CHASSIS

Procedures for checking and adjusting chassis components, including brakes, suspension, and wheels.

ELECTRICAL SYSTEM

Procedures for checking and adjusting electrical components, including battery, lights, and signals.

CHASSIS

FRONT WHEEL

Procedures for removing, checking, and installing the front wheel assembly.

REAR WHEEL

Procedures for removing, checking, and installing the rear wheel assembly.

FRONT BRAKE

Procedures for servicing the front brake system, including disc, pads, caliper, and master cylinder.

REAR BRAKE

Procedures for servicing the rear brake system, including disc, pads, caliper, and master cylinder.

FRONT FORK

Procedures for servicing the front suspension forks, including removal and disassembly.

STEERING HEAD

Procedures for checking and adjusting the steering head bearings and components.

REAR SHOCK ABSORBER ASSEMBLY

Procedures for servicing the rear shock absorber and related linkage.

ENGINE

ENGINE REMOVAL

Steps and procedures for removing the engine from the vehicle frame.

CYLINDER HEAD

Procedures for removing, checking, and installing the cylinder head and its components.

CAMSHAFT

Procedures for removing, checking, and installing the camshaft and rocker arm assembly.

VALVES AND VALVE SPRINGS

Procedures for removing, checking, and installing valves, springs, and related parts.

CYLINDER AND PISTON

Procedures for removing, checking, and installing the cylinder, piston, and rings.

ELECTRICAL SYSTEM

TROUBLESHOOTING

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