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Yamaha YZ250F 2014 Service Manual

Yamaha YZ250F 2014
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 2014 Specifications

General IconGeneral
Engine TypeLiquid-cooled, 4-stroke, DOHC, 4-valve
Displacement250cc
Bore x Stroke77.0mm x 53.6mm
Compression Ratio13.5:1
Fuel DeliveryFuel Injection
IgnitionTCI
TransmissionConstant-mesh 5-speed; multiplate wet clutch
Final DriveChain
Suspension / FrontKYB® Speed-Sensitive System inverted fork; fully adjustable, 12.2-in travel
Brakes / FrontHydraulic single disc brake, 250mm
Brakes / RearHydraulic single disc brake, 245mm
Tires / Front80/100-21
Tires / Rear100/90-19
Seat Height38.0 in
Ground Clearance12.8 in
Fuel Capacity2.0 gal
Wet Weight231 lb
Suspension / RearKYB® Fully adjustable single shock; 12.4-in travel
Wheelbase58.3 in
Trail4.7 in

Summary

Starting, Break-in, and Maintenance

Fuel Recommendations and Break-in

Details recommended fuel, starting procedures, and break-in guidelines.

Specifications and Torque Values

Engine Specifications

Provides detailed technical data for engine components and systems.

Tightening Torque Specifications

Specifies torque values for standard fasteners and key components.

Periodic Maintenance and Checks

Maintenance Intervals Schedule

Details inspection and replacement intervals for various parts based on time or usage.

Pre-Operation Inspection

Essential checks to ensure the machine is in good operating condition before riding.

Chassis Component Service

Brake System Service

Details on servicing front and rear brakes, including caliper and master cylinder.

Engine Component Service

Fuel System Service

Electrical System Service

Fuel Injection System Diagnostics

Covers circuit diagrams, diagnostic tool usage, and troubleshooting fault codes.

Trouble Shooting Guide

Starting Failures and Engine Issues

Addresses common starting problems and engine performance issues.

Self-Diagnostic and Fail-Safe Actions

Lists diagnostic codes, symptoms, and troubleshooting procedures.

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