Yamaha YZ250F Guide d'application

OWNER’S SERVICE MANUAL

MANUEL D’ATELIER DU

PROPRIETAIRE

FAHRER- UND

WARTUNGSHANDBUCH

MANUALE DI SERVIZIO DEL

PROPRIETARIO

YZ250F

YZ250FF

1SM-28199-31

PRINTED IN JAPAN

2014.03—1.0 × 1 !

(E, F, G, H)

PRINTED ON RECYCLED PAPER

2015

YZ250F YZ250FF 2015

q Read this manual carefully before operating this vehicle.

q Il convient de lire attentivement ce manuel avant la première utilisation du véhicule.

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-28199-31_cover.indd 1 2014/03/26 11:20:13

Read this manual carefully before operating this vehicle. This manual should stay with this vehicle if it is sold.

Il convient de lire attentivement ce manuel avant la première utilisation du véhicule. Le manuel doit

être remis avec le véhicule en cas de vente de ce dernier.

Leggere attentamente questo manuale prima di utilizzare il veicolo. Questo manuale dovrebbe

accompagnare il veicolo se viene venduto.

Bitte lesen Sie diese Bedienungsanleitung sorgfältig durch, bevor Sie das Fahrzeug in Betrieb nehmen.

Diese Bedienungsanleitung muss, wenn das Fahrzeug verkauft wird, beim Fahrzeug verbleiben.

1SM-28199-30_cover.indd 2 2013/07/23 18:31:45

YZ250FFYZ250FF

20152015

YZ250FYZ250F

1SM-28199-31-E01SM-28199-31-E0

OWNER’S SERVICE MANUALOWNER’S SERVICE MANUAL

Read this manual carefully before operating this vehicle.Read this manual carefully before operating this vehicle.

EAS1SM5002

YZ250F

YZ250FF

OWNER’S SERVICE MANUAL

First edition, March 2014

Any reproduction or unauthorized use

without the written permission of

Yamaha Motor Co., Ltd.

is expressly prohibited.

Printed in Japan.

EAS1SM5003

INTRODUCTION

Congratulations on your purchase of a Yamaha YZ series. This model is the culmination of Yamaha’s

vast experience in the production of pacesetting racing machines. It represents the highest grade of

craftsmanship and reliability that have made Yamaha a leader.

This manual explains operation, inspection, basic maintenance and tuning of your machine. If you

have any questions about this manual or your machine, please contact your Yamaha dealer.

TIP

Yamaha continually seeks advancements in product design and quality. Therefore, while this manual

contains the most current product information available at the time of printing, there may be minor

discrepancies between your machine and this manual. If you have any questions concerning this

manual, please consult your Yamaha dealer.

EWA1DX0001

WARNING

PLEASE READ THIS MANUAL CAREFULLY AND COMPLETELY BEFORE OPERATING THIS

MACHINE. DO NOT ATTEMPT TO OPERATE THIS MACHINE UNTIL YOU HAVE ATTAINED A

SATISFACTORY KNOWLEDGE OF ITS CONTROLS AND OPERATING FEATURES AND UNTIL

YOU HAVE BEEN TRAINED IN SAFE AND PROPER RIDING TECHNIQUES. REGULAR INSPEC-

TIONS AND CAREFUL MAINTENANCE, ALONG WITH GOOD RIDING SKILLS, WILL ENSURE

THAT YOU SAFETY ENJOY THE CAPABILITIES AND THE RELIABILITY OF THIS MACHINE.

EAS1SM5004

IMPORTANT MANUAL INFORMATION

Particularly important information is distinguished in this manual by the following notations.

This is the safety alert symbol. It is used to alert you to potential personal

injury hazards. Obey all safety messages that follow this symbol to avoid

possible injury or death.

A WARNING indicates a hazardous situation which, if not avoided, could

result in death or serious injury.

A NOTICE indicates special precautions that must be taken to avoid

damage to the vehicle or other property.

A TIP provides key information to make procedures easier or clearer.

WARNING

NOTICE

TIP

EAS1SM5005

SAFETY INFORMATION

THIS MACHINE IS DESIGNED STRICTLY FOR COMPETITION USE, ONLY ON A CLOSED

COURSE. It is illegal for this machine to be operated on any public street, road, or highway. Off-road

use on public lands may also be illegal. Please check local regulations before riding.

• THIS MACHINE IS TO BE OPERATED BY AN EXPERIENCED RIDER ONLY.

Do not attempt to operate this machine at maximum power until you are totally familiar with its char-

acteristics.

• THIS MACHINE IS DESIGNED TO BE RIDDEN BY THE OPERATOR ONLY.

Do not carry passengers on this machine.

• ALWAYS WEAR PROTECTIVE APPAREL.

When operating this machine, always wear an approved helmet with goggles or a face shield. Also

wear heavy boots, gloves, and protective clothing. Always wear proper fitting clothing that will not

be caught in any of the moving parts or controls of the machine.

• ALWAYS MAINTAIN YOUR MACHINE IN PROPER WORKING ORDER.

For safety and reliability, the machine must be properly maintained. Always perform the pre-oper-

ation checks indicated in this manual.

Correcting a mechanical problem before you ride may prevent an accident.

• GASOLINE IS HIGHLY FLAMMABLE.

Always turn off the engine while refueling. Take care to not spill any gasoline on the engine or ex-

haust system. Never refuel in the vicinity of an open flame, or while smoking.

• GASOLINE CAN CAUSE INJURY.

If you should swallow some gasoline, inhale excess gasoline vapors, or allow any gasoline to get

into your eyes, contact a doctor immediately. If any gasoline spills onto your skin or clothing, imme-

diately wash skin areas with soap and water, and change your clothes.

• ONLY OPERATE THE MACHINE IN AN AREA WITH ADEQUATE VENTILATION.

Never start the engine or let it run for any length of time in an enclosed area. Exhaust fumes are

poisonous. These fumes contain carbon monoxide, which by itself is odorless and colorless. Car-

bon monoxide is a dangerous gas which can cause unconsciousness or can be lethal.

• PARK THE MACHINE CAREFULLY; TURN OFF THE ENGINE.

Always turn off the engine if you are going to leave the machine. Do not park the machine on a slope

or soft ground as it may fall over.

• THE ENGINE, EXHAUST PIPE AND MUFFLER WILL BE VERY HOT AFTER THE ENGINE HAS

BEEN RUN.

Be careful not to touch them or to allow any clothing item to contact them during inspection or repair.

• PROPERLY SECURE THE MACHINE BEFORE TRANSPORTING IT.

For safety, drain the gasoline from the fuel tank before transporting the vehicle.

EAS1SM5006

HOW TO USE THIS MANUAL

In this manual, descriptions of installation, removal, disassembly, assembly, check, and adjustment

procedures are laid out with the individual steps in sequential order.

• The manual is divided into chapters and each chapter is divided into sections. The current section

title “1” is shown at the top of each page.

• Sub-section titles “2” appear in smaller print than the section title.

• To help identify parts and clarify procedure steps, there are exploded diagrams “3” at the start of

each removal and disassembly section.

• Numbers “4” are given in the order of the jobs in the exploded diagram. A number indicates a re-

moval or a disassembly step.

• Symbols “5” indicate parts to be lubricated or replaced.

Refer to “SYMBOLS”.

• A job instruction chart “6” accompanies the exploded diagram, providing the order of jobs, the

names of parts, the notes in jobs, etc.

• Jobs “7” requiring more information (such as special tools and technical data) are described se-

quentially.

EAS1SM5007

SYMBOLS

The following symbols are used in this manual for easier understanding.

TIP

The following symbols are not relevant to every vehicle.

SYMBOL DEFINITION SYMBOL DEFINITION

Serviceable with engine mounted Gear oil

Filling fluid Molybdenum disulfide oil

Lubricant Brake fluid

Special tool Wheel bearing grease

Tightening torque Lithium-soap-based grease

Wear limit, clearance Molybdenum disulfide grease

Engine speed Silicone grease

Electrical data Locking agent (LOCTITE®)

Engine oil Replace the part with a new one.

New

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