Yamaha YZ250 YZ250F 4-stroke Service Manual 2001 2002 2003 2004 2005 2006

5XC-28199-31 YZ250F(T) OWNER’S SERVICE MANUAL MANUEL D’ATELIER DU PROPRIETAIRE FAHRER- UND WARTUNGS-HANDBUCH MANUALE DI SERVIZIO DEL PROPRIETARIO Downloaded from www.Manualslib.com manuals search engine

EC010010 YZ250F(T) OWNER’S SERVICE MANUAL ©2004 by Yamaha Motor Co., Ltd. 1st Edition, July 2004 All rights reserved. Any reprinting or unauthorized use without the written permission of Yamaha Motor Co., Ltd. is expressly prohibited. Printed in Japan Downloaded from www.Manualslib.com manuals search engine

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. Downloaded from www.Manualslib.com manuals search engine

IMPORTANT NOTICE 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 regula- tions before riding. 1. 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. 2. THIS MACHINE IS DESIGNED TO BE RIDDEN BY THE OPERATOR ONLY. Do not carry passengers on this machine. 3. 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 clothing. Always wear proper fitting clothing that will not be caught in any of the moving parts or controls of the machine. 4. 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. 5. GASOLINE IS HIGHLY FLAMMABLE. Always turn off the engine while refu- eling. Take care to not spill any gasoline on the engine or exhaust system. Never refuel in the vicinity of an open flame, or while smoking. SAFETY INFORMATION Downloaded from www.Manualslib.com manuals search engine

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. 7. 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 colorless. Carbon monoxide is a dan- gerous gas which can cause uncon- sciousness or can be lethal. 8. 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. 9. 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. 10. 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. Downloaded from www.Manualslib.com manuals search engine

Yamaha YZ250 YZ250F 4-stroke Service Manual 2001 2002 2003 2004 2005 2006

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