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Yamaha YZ250F(E) User Manual

Yamaha YZ250F(E)
356 pages
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OWNER’S SERVICE MANUAL
MANUEL D’ATELIER DU
PROPRIETAIRE
FAHRER- UND
WARTUNGSHANDBUCH
MANUALE DI SERVIZIO DEL
PROPRIETARIO
YZ250F
(
E
)
1SM-28199-30
PRINTED IN JAPAN
2013.08—2.0 × 1
!
(E, F, G, H)
PRINTED ON RECYCLED PAPER
2014
YZ250F
(
E
)
2014
q Read this manual carefully before operating this vehicle.
q Il convient de lire attentivement ce manuel avant la première utilisation du véhicule.
q
Bitte lesen Sie diese Bedienungsanleitung sorgfältig durch, bevor Sie das Fahrzeug in Betrieb nehmen.
q Leggere attentamente questo manuale prima di utilizzare questo veicolo.
1SM-28199-30_cover.indd 1 2013/07/23 18:31:44

Table of Contents

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Yamaha YZ250F(E) Specifications

General IconGeneral
BrandYamaha
ModelYZ250F(E)
CategoryMotorcycle
LanguageEnglish

Summary

SAFETY INFORMATION

GENERAL INFORMATION

TORQUE-CHECK POINTS

Specifies tightening torques for various fasteners on the engine and chassis.

SPECIFICATIONS

ENGINE SPECIFICATIONS

Details engine type, displacement, fuel, oil, cooling, and spark plug specifications.

CHASSIS SPECIFICATIONS

Provides specifications for wheels, tires, brakes, steering, and suspension systems.

TIGHTENING TORQUES

Specifies general and engine/chassis specific tightening torque values.

PERIODIC CHECKS AND ADJUSTMENTS

PRE-OPERATION INSPECTION AND MAINTENANCE

Lists essential pre-ride checks for the machine's condition and readiness.

ENGINE

CHANGING THE ENGINE OIL

Provides a step-by-step guide for draining and refilling the engine oil and filter.

ADJUSTING THE VALVE CLEARANCE

Explains how to measure and adjust valve clearances for optimal engine performance.

CHASSIS

BLEEDING THE BRAKE SYSTEM

Provides detailed steps for bleeding air from the hydraulic brake system.

ELECTRICAL SYSTEM

CHASSIS

FRONT WHEEL

Covers removing, checking, disassembling, and assembling the front wheel.

REAR WHEEL

Provides steps for removing, checking, and replacing the rear wheel and sprocket.

FRONT BRAKE

Details the removal, disassembly, checking, and assembly of the front brake caliper and master cylinder.

REAR BRAKE

Covers the removal, disassembly, checking, and assembly of the rear brake caliper and master cylinder.

FRONT FORK

Provides instructions for removing, disassembling, checking, and assembling the front fork legs.

REAR SHOCK ABSORBER ASSEMBLY

Covers handling, disposal, removal, and checking of the rear shock absorber assembly.

ENGINE

ENGINE REMOVAL

Provides steps for removing the exhaust pipe, silencer, and the entire engine assembly.

CAMSHAFT

Covers removal, checking, and installation of the camshaft and related components.

CYLINDER HEAD

Details the removal, checking, and installation of the cylinder head and gasket.

VALVES AND VALVE SPRINGS

Provides procedures for removing, checking, and installing valves, springs, and guides.

CYLINDER AND PISTON

Covers removal, checking, and installation of the cylinder, piston, and rings.

CLUTCH

Details removal, checking, and installation of clutch components like plates, springs, and boss.

SHIFT SHAFT

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

OIL PUMP AND BALANCER GEAR

Details removal, checking, and installation of the oil pump and balancer gears.

CRANKCASE

Provides steps for separating, removing bearings, checking, and assembling the crankcase.

CRANKSHAFT ASSEMBLY AND BALANCER SHAFT

Details removal, checking, and installation of the crankshaft and balancer shaft assemblies.

TRANSMISSION

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

COOLING SYSTEM

FUEL SYSTEM

FUEL TANK

Covers removal, checking, and installation of the fuel tank and fuel pump assembly.

THROTTLE BODY

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

ELECTRICAL SYSTEM

IGNITION SYSTEM

Provides circuit diagrams and troubleshooting for the ignition system.

CHARGING SYSTEM

Includes circuit diagrams and troubleshooting for the charging system.

FUEL INJECTION SYSTEM

Details circuit diagrams, diagnostic tool usage, and troubleshooting for the FI system.

FUEL PUMP SYSTEM

Provides circuit diagrams and troubleshooting steps for the fuel pump system.

TROUBLE SHOOTING

STARTING FAILURES

Lists possible causes for engine, fuel system, and electrical system starting failures.

FAULTY CLUTCH

Details common clutch issues like slipping or dragging and their causes.

OVERHEATING

Lists potential causes for engine overheating, including cooling system issues.

POOR BRAKING PERFORMANCE

Lists common issues that lead to reduced braking performance.

LIST OF SELF-DIAGNOSTIC AND FAIL-SAFE ACTIONS

Provides a table of diagnostic codes, symptoms, and troubleshooting steps.

TUNING

SUSPENSION SETTING (FRONT FORK)

Provides a table for diagnosing and adjusting front fork settings based on symptoms.

SUSPENSION SETTING (REAR SHOCK ABSORBER)

Offers a table for diagnosing and adjusting rear shock absorber settings based on symptoms.

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