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Yamaha WR250F 2016 User Manual

Yamaha WR250F 2016
428 pages
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OWNER’S SERVICE MANUAL
MANUEL D’ATELIER DU
PROPRIETAIRE
WR250F
WR250FG
2GB-28199-71
PRINTED ON RECYCLED PAPER
2016
WR250F
WR250FG
2016
q Read this manual carefully before operating this vehicle.
q Il convient de lire attentivement ce manuel avant la première utilisation du véhicule.
PRINTED IN JAPAN
2015.04—1.1 × 1
!
(E, F)
2GB-28199-71_cover.indd 1 2015/04/22 13:04:37

Table of Contents

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Yamaha WR250F 2016 Specifications

General IconGeneral
Engine TypeLiquid-cooled, 4-stroke, DOHC, 4-valve
Displacement250cc
Bore x Stroke77.0mm x 53.6mm
Compression Ratio13.5:1
Fuel SystemFuel Injection
IgnitionTCI: Transistor Controlled Ignition
Final DriveChain
Rear SuspensionKYB® single shock; fully adjustable
Front BrakeHydraulic single disc brake, 250mm
Rear BrakeHydraulic single disc brake, 245mm
Front Tire80/100-21
Rear Tire110/100-18
TransmissionConstant mesh, 6-speed
Front SuspensionInverted fork
Width32.5 inches
Wheelbase58.3 in
Fuel Capacity2.0 gallons

Summary

GENERAL INFORMATION

LOCATION OF IMPORTANT LABELS

Locates and describes important warning and information labels on the vehicle.

BASIC SERVICE INFORMATION

Provides essential guidelines for handling electrical components and basic service procedures.

SPECIAL TOOLS

Lists and illustrates specialized tools required for accurate adjustment and assembly.

CONTROL FUNCTIONS

Explains the operation of various controls and indicators on the vehicle's handlebar and dashboard.

STARTING AND BREAK-IN

Details procedures for starting the engine, including cold and warm starts, and essential break-in steps.

MOTORCYCLE CARE AND STORAGE

Provides guidelines for cleaning, maintaining, and storing the motorcycle to preserve its condition and performance.

SPECIFICATIONS

ENGINE SPECIFICATIONS

Lists detailed technical specifications for the engine, including dimensions, fluids, and components.

CHASSIS SPECIFICATIONS

Outlines detailed technical specifications for the chassis, including frame, wheels, brakes, and suspension.

ELECTRICAL SPECIFICATIONS

Provides detailed specifications for the vehicle's electrical system components, including voltage and resistance.

TIGHTENING TORQUES

Specifies correct tightening torques for various fasteners to ensure proper assembly and prevent damage.

PERIODIC CHECKS AND ADJUSTMENTS

PERIODIC MAINTENANCE

Presents a schedule for regular checks and maintenance jobs required for optimal vehicle operation and longevity.

PRE-OPERATION INSPECTION AND MAINTENANCE

Details essential pre-ride checks to ensure the motorcycle is in good operating condition before use.

ENGINE

Covers procedures for checking and adjusting engine-related components, including coolant and oil levels.

CHASSIS

Describes checks and adjustments for chassis components such as brakes, wheels, steering, and suspension.

TUNING

CHASSIS

Explains how to adjust chassis components like tire pressure, front fork, and rear suspension for optimal performance.

CHASSIS

FRONT WHEEL

Covers the removal, checking, disassembly, assembly, and installation of the front wheel.

REAR WHEEL

Details the procedures for removing, checking, disassembling, assembling, and installing the rear wheel.

FRONT BRAKE

Explains the removal, disassembly, checking, assembly, and installation of the front brake system components.

REAR BRAKE

Covers the removal, disassembly, checking, assembly, and installation of the rear brake system components.

FRONT FORK

Details the removal, disassembly, checking, assembly, and installation of the front fork legs and their components.

REAR SHOCK ABSORBER ASSEMBLY

Explains how to handle, remove, check, and install the rear shock absorber assembly and its related parts.

ENGINE

ENGINE REMOVAL

Provides instructions for removing the engine from the chassis, including related components like exhaust and electronic parts.

CAMSHAFT

Covers removal, checking, and installation procedures for the camshaft, timing chain, and related components.

CYLINDER AND PISTON

Details the removal, checking, and installation of the cylinder, piston, piston rings, and related components.

CLUTCH

Explains the removal, checking, assembly, and installation of the clutch and its components.

TRANSMISSION

Covers the removal, checking, and installation of the transmission, shift drum, and shift forks.

COOLING SYSTEM

RADIATOR

Provides instructions for removing, handling, and checking the radiator and its related parts.

WATER PUMP

Details the removal, checking, installation, and assembly of the water pump and its components.

FUEL SYSTEM

FUEL TANK

Covers the removal, checking, and installation procedures for the fuel tank, fuel pump, and fuel sender.

THROTTLE BODY

Explains the removal, checking, and adjustment of the throttle body and its associated sensors.

ELECTRICAL SYSTEM

IGNITION SYSTEM

Explains the circuit diagram and troubleshooting steps for the ignition system.

ELECTRIC STARTING SYSTEM

Details the circuit diagram and troubleshooting procedures for the electric starting system.

CHARGING SYSTEM

Provides the circuit diagram and troubleshooting steps for the charging system, including battery checks.

LIGHTING SYSTEM

Covers the circuit diagram and troubleshooting for the lighting system, including bulb and fuse checks.

FUEL INJECTION SYSTEM

Explains the circuit diagram, ECU self-diagnosis, and troubleshooting for the fuel injection system.

ELECTRICAL COMPONENTS

Identifies and illustrates various electrical components used in the motorcycle's system.

TROUBLESHOOTING

STARTING FAILURES

Lists common causes and checks for engine starting failures, covering engine, fuel, and electrical systems.

POOR BRAKING PERFORMANCE

Details potential causes for poor brake performance, including issues with pads, discs, fluid, and hoses.

LIST OF SELF-DIAGNOSTIC AND FAIL-SAFE ACTIONS

Provides a table of diagnostic codes, their corresponding items, and troubleshooting procedures for the fuel injection system.

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