2002 Yamaha Yz250 Owners Manual

Posted on by admin

This is the Highly Detailed factory service repair manual for the 2003 YAMAHA YZ250FR, this Service Manual has detailed illustrations as well as step by step instructions,It is 100 percents complete and intact. They are specifically written for the do-it-yourself-er as well as the experienced mechanic.2003 YAMAHA YZ250FR Service Repair Workshop Manual provides step-by-step instructions based on the complete dis-assembly of the machine.

It is this level of detail, along with hundreds of photos and illustrations, that guide the reader through each service and repair procedure. Complete download comes in pdf format which can work under all PC based windows operating system and Mac also, All pages are printable. Using this repair manual is an inexpensive way to keep your vehicle working properly. Service Repair Manual Covers: General Information Specifications Pegular Inspection and Adjustments Engine Chassis Electrical Tuning File Format: PDF Compatible: All Versions of Windows & Mac Language: English Requirements: Adobe PDF Reader NO waiting, Buy from responsible seller and get INSTANT DOWNLOAD, Without wasting your hard-owned money on uncertainty or surprise! All pages are is great to have 2003 YAMAHA YZ250FR Service Repair Workshop Manual.

Looking for some other Service Repair Manual,please check: Thanks for visiting! 2003 yamaha yz250 fr service repair manual. 1.

2002 Yamaha Yz250 Owners Manual

LIT-11626-16-39 YZ250FR 5UL-28199-10 OWNER’S SERVICE MANUAL. YZ250FR OWNER’S SERVICE MANUAL ©2002 by Yamaha Motor Corporation, U.S.A. 1st Edition, July 2002 All rights reserved. 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-11626-16-39.

EC020000 INTRODUCTION Congratulations on your purchase of a Yamaha YZ series. This model is the culmina- tion of Yamaha’s vast experience in the pro- duction 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. NOTE: As improvements are made on this model, some data in this manual may become out- dated.

If you have any questions, please con- sult your Yamaha dealer. 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 INSPECTIONS AND CAREFUL MAINTE- NANCE, ALONG WITH GOOD RIDING SKILLS, WILL ENSURE THAT YOU SAFETY ENJOY THE CAPABILITIES AND THE RELI- ABILITY OF THIS MACHINE. IMPORTANT NOTICE THIS MACHINE IS DESIGNED STRICTLY FOR COMPETITION USE, ONLY ON A CLOSED COURSE.

A Factory Repair Manual generally covers General Information, Service Information, Suspension, Driveline, Brakes, Steering, Engine Mechanical, Cooling, Starting, Ignition, Emission Controls, Engine Controls, Transmission, Transaxle, Exhaust System, Fuel System, HVAC, Instrumentation & Warning Systems, Battery & Charging System, Audio Systems, Lighting, Electrical, Body Interior and Exterior and more. Toyota corolla 2015 wiring diagram manual. Official Service Manuals that the dealers and shop technicians use to diagnose, service and repair your Toyota 4Runner, Avalon, Camry, Celica, Corolla, Cressida, Echo, FJ Cruiser, Highlander, Land Cruiser, Matrix, Paseo, Pickup, Previa, Prius, RAV4, Sequoia, Solara, T100, Tacoma, Tercel, Tundra, Van, Venza or Yaris vehicles. Original Toyota Repair Manuals.written by Toyota specifically for the year and vehicle(s) listed. A must for anyone who insists on Genuine OEM quality parts.

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 regula- tions 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 character- istics.

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 gog- gles or a face shield.

Also wear heavy boots, gloves, and protective cloth- ing. Always wear proper fitting cloth- ing 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 refu- eling. Take care to not spill any gaso- line on the engine or exhaust system. Never refuel in the vicinity of an open flame, or while smoking. SAFETY INFORMATION.

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

ONLY OPERATE THE MACHINE IN AN AREA WITH ADEQUATE VENTILA- TION. 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 color- less. Carbon monoxide is a dangerous gas which can cause unconscious- ness or can be lethal. PARK THE MACHINE CAREFULLY; TURN OFF THE ENGINE.

2002 Yamaha Yz250f Service Manual

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, MUF- FLER, 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 inspection or repair. PROPERLY SECURE THE MACHINE BEFORE TRANSPORTING IT.

When transporting the machine in another vehicle, 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. EC050000 TO THE NEW OWNER This manual will provide you with a good basic understanding of features, operation, and basic maintenance and inspection items of this machine. Please read this manual carefully and completely before operating your new machine. If you have any questions regarding the operation or maintenance of your machine, please consult your Yamaha dealer. NOTE: This manual should be considered a perma- nent part of this machine and should remain with it even if the machine is subsequently sold.

EC060000 NOTICE Some data in this manual may become out- dated due to improvements made to this model in the future. If there is any question you have regarding this manual or your machine, please consult your Yamaha dealer. EC070001 F.I.M. MACHINE WEIGHTS: Weights of machines without fuel The minimum weights for motocross machines are: for the class 125 cc.minimum 88 kg (194 lb) for the class 250 cc.minimum 98 kg (216 lb) for the class 500 cc.minimum 102 kg (225 lb) In modifying your machine (e.g., for weight reduction), take note of the above limits of weight. EC080000 HOW TO USE THIS MANUAL EC081000 PARTICULARLY IMPORTANT INFORMATION The Safety Alert Symbol means ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED!

2002 Yamaha Yz250f Owners Manual

Failure to follow WARNING instructions could result in severe injury or death to the machine operator, a bystander, or a person inspecting or repairing the machine. A CAUTION indicates special precautions that must be taken to avoid damage to the machine. NOTE: A NOTE provides key information to make pro- cedures easier or clearer. WARNING CAUTION: EC082000 FINDING THE REQUIRED PAGE 1.

2002 Yamaha Yz250f Owners Manual

This manual consists of seven chapters; “General information”, “Specifications”, “Regular inspection and adjustments”, “Engine”, “Chassis”, “Electrical” and “Tuning”. The table of contents is at the beginning of the manual. Look over the general lay- out 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. EC083000 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.

EC084002 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. An easy-to-see exploded diagram 1 is provided for removal and disassembly jobs. 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. 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. A job instruction chart 4 accompanies the exploded diagram, providing the order of jobs, names of parts, notes in jobs, etc. Extent of removal 5 is provided in the job instruction chart to save the trouble of an unneces- sary removal job. For jobs requiring more information, the step-by-step format supplements 6 are given in addi- tion to the exploded diagram and job instruction chart.

ILLUSTRATED SYMBOLS (Refer to the illustration) Illustrated symbols 1 to 7 are designed as thumb tabs to indicate the chapter’s number and content. 1 General information 2 Specifications 3 Regular inspection and adjustments 4 Engine 5 Chassis 6 Electrical 7 Tuning Illustrated symbols 8 to D are used to identify the specifications appearing in the text.

8 With engine mounted 9 Special tool 0 Filling fluid A Lubricant B Tightening C Specified value, Service limit D Resistance (Ω), Voltage (V), Electric current (A) Illustrated symbols E to H in the exploded diagrams indicate grade of lubricant and loca- tion of lubrication point. E Apply engine oil F Apply molybdenum disulfide oil G Apply lightweight lithium-soap base grease H Apply molybdenum disulfide grease Illustrated symbols I to J in the exploded diagrams indicate where to apply a locking agent and where to install new parts. I Apply locking agent (LOCTITE®) J Use new one 1 2 3 4 5 6 7 8 9 0 A B C D E F G H I J GEN INFO SPEC INSP ADJ ENG CHAS – + ELEC TUN T R.