Yamaha 2011 YZ250FA Guida all'applicazione

LIT-11626-24-17 17D-28199-11

OWNER’S SERVICE MANUAL

Read this manual carefully before operating this vehicle.

2011

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

YZ250FA

OWNER'S SERVICE MANUAL

1st Edition, May 2010

Any reprinting or unauthorized use

without the written permission of

Yamaha Motor Corporation U.S.A.

is expressly prohibited.

Printed in Japan

P/N. LIT-11626-24-17

INTRODUCTION

Congratulations on your purchase of a Yamaha

YZ series. This model is the culmination of Ya-

maha'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, ba-

sic maintenance and tuning of your machine. If

you have any questions about this manual or

your machine, please contact your Yamaha

dealer.

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 con-

sult your Yamaha dealer.

PLEASE READ THIS MANUAL CAREFULLY

AND COMPLETELY BEFORE OPERATING

THIS MACHINE. DO NOT ATTEMPT TO OP-

ERATE THIS MACHINE UNTIL YOU HAVE

ATTAINED A SATISFACTORY KNOWL-

EDGE OF ITS CONTROLS AND OPERATING

FEATURES AND UNTIL YOU HAVE BEEN

TRAINED IN SAFE AND PROPER RIDING

TECHNIQUES. REGULAR INSPECTIONS

AND CAREFUL MAINTENANCE, ALONG

WITH GOOD RIDING SKILLS, WILL ENSURE

THAT YOU SAFETY ENJOY THE CAPABILI-

TIES AND THE RELIABILITY OF THIS MA-

CHINE.

IMPORTANT MANUAL

INFORMATION

Particularly important information is distin-

guished in this manual by the following nota-

tions.

This is the safety alert symbol. It is used to

alert you to potential personal injury haz-

ards. Obey all safety messages that follow

this symbol to avoid possible injury or

death.

A WARNING indicates a hazardous situa-

tion 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 proce-

dures easier or clearer.

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 be-

fore 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 characteristics.

• THIS MACHINE IS DESIGNED TO BE RID-

DEN 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-

operation 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 en-

gine or exhaust system. Never refuel in the vi-

cinity 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 imme-

diately. If any gasoline spills onto your skin or

clothing, immediately 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. Carbon monoxide is a danger-

ous 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, MUFFLER,

AND OIL TANK 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 inspec-

tion or repair.

• PROPERLY SECURE THE MACHINE BE-

FORE TRANSPORTING IT.

When transporting the machine in another ve-

hicle, always be sure it is properly secured

and in an upright position and that the fuel

cock is in the "OFF" position. Otherwise, fuel

may leak out of the carburetor or fuel tank.

YAMAHA MOTOR CORPORATION, U.S.A.

YZ MOTORCYCLE LIMITED WARRANTY

HOW TO USE THIS MANUAL

FINDING THE REQUIRED PAGE

1. This manual consists of seven chapters; "General Information", "Specifications", "Regular inspec-

tion and adjustments", "Engine", "Chassis", "Electrical" and "Tuning"

2. The table of contents is at the beginning of the manual. Look over the general layout of the book

before finding then required chapter and item.

Bend the book at its edge, as shown, to find the required fore edge symbol mark and go to a page

for required item and description.

MANUAL FORMAT

All of the procedures in this manual are organized in a sequential, step-by-step format. The informa-

tion has been complied to provide the mechanic with an easy to read, handy reference that contains

comprehensive explanations of all disassembly, repair, assembly, and inspection operations.

In this revised format, the condition of a faulty component will precede an arrow symbol and the

course of action required will follow the symbol, e.g.,

• Bearings

Pitting/damage →Replace.

HOW TO READ DESCRIPTIONS

To help identify parts and clarify procedure steps, there are exploded diagrams at the start of each

removal and disassembly section.

1. An easy-to-see exploded diagram "1" is provided for removal and disassembly jobs.

2. Numbers "2" are given in the order of the jobs in the exploded diagram. A number that is enclosed

by a circle indicates a disassembly step.

3. An explanation of jobs and notes is presented in an easy-to-read way by the use of symbol marks

"3". The meanings of the symbol marks are given on the next page.

4. A job instruction chart "4" accompanies the exploded diagram, providing the order of jobs, names

of parts, notes in jobs, etc.

5. For jobs requiring more information, the step-by-step format supplements "5" are given in addition

to the exploded diagram and job instruction chart.

ILLUSTRATED SYMBOLS (Refer

to the illustration)

Illustrated symbols "1" to "7" are used to identi-

fy the specifications appearing in the text.

1. With engine mounted

2. Filling fluid

3. Lubricant

4. Special tool

5. Tightening

6. Specified value, Service limit

7. Resistance (Ω), Voltage (V), Electric cur-

rent (A)

Illustrated symbols "8" to "13" in the exploded

diagrams indicate grade of lubricant and loca-

tion of lubrication point.

8. Apply engine oil

9. Apply molybdenum disulfide oil

10. Apply brake fluid

11. Apply lightweight lithium-soap base grease

12. Apply molybdenum disulfide grease

13. Apply silicone grease

Illustrated symbols "14" to "15" in the exploded

diagrams indicate where to apply a locking

agent and where to install new parts.

14. Apply locking agent (LOCTITE®)

15. Use new one

MEMO

Indice

Altri manuali Yamaha Motociclo

Yamaha

Yamaha Tmix XP500Y Manuale utente

Yamaha

Yamaha YZ125K1 Manuale di istruzioni

Yamaha

Yamaha FJR1300A Manuale utente

Yamaha

Yamaha YZFR1W(C) Manuale utente

Yamaha

Yamaha FZ 25 2021 Manuale

Yamaha

Yamaha R25 Series Manuale utente

Yamaha

Yamaha YZF R1 2020 Manuale utente

Yamaha

Yamaha Wild Star XV1600A Manuale utente

Yamaha

Yamaha SR400 Manuale utente

Yamaha

Yamaha MT07 TRACER Manuale utente

Yamaha

Yamaha XS1100SH Manuale utente

Yamaha

Yamaha V-Star XVS1100S Manuale utente

Yamaha

Yamaha Rhino YXR66FAV 2006 Manuale utente

Yamaha

Yamaha MT-25 Manuale utente

Yamaha

Yamaha TRACER 700 2020 Manuale utente

Yamaha

Yamaha XV Manuale utente

Yamaha

Yamaha PW50(W) Manuale utente

Yamaha

Yamaha KODIAK 700 2022 Manuale utente

Yamaha

Yamaha XV19SX(C) Manuale utente

Yamaha

Yamaha Drag Star XVS250 Manuale utente

Yamaha

Yamaha SR400 2014 Manuale utente

Yamaha

Yamaha 2002 TDM900 Manuale utente

Yamaha

Yamaha Venture XVZ13TFR 2002 Manuale utente

Yamaha

Yamaha MAJESTY YP125E Manuale utente

Manuali Motociclo popolari di altre marche

OHVALE

OHVALE GP-0 Manuale elenco delle parti

KTM

KTM 350 XCF-W USA Manuale utente

HYOSUNG

HYOSUNG ST7 Manuale utente

Husqvarna

Husqvarna FC 250 2016 Manuale utente

Ducati

Ducati SCRAMBLER 800 Manuale di istruzioni

MOTO GUZZI

MOTO GUZZI QUOTA 1100 ES Manuale utente

APRILIA

APRILIA ETV MILLE CAPONORD - PART1 02-2001 Manuale utente

KTM

KTM Freeride E-XC 2021 Manuale utente

Fantic

Fantic Enduro 125 Manuale utente

Ducati

Ducati Supersport 750 desmodue Manuale utente

MV Agusta

MV Agusta 2008 F4 312RR 1078 Manuale di istruzioni

Ducati

Ducati 748 monoposto strada Manuale utente

ATK

ATK 1988 250 Manuale utente

Excelsior-HENDERSON

Excelsior-HENDERSON 1999 HCX Manuale utente

Triumph

Triumph Thunderbird Manuale utente

Ducati

Ducati 996 Manuale utente

BMW

BMW MOTORRAD K 1200 R Sport Manuale di installazione e manutenzione

BMW Motorrad

BMW Motorrad G 650 GS 2007 Manuale di installazione e manutenzione