EAM20180IMPORTANTCongratulations on your purchase of a Yamaha YZ series. This model is the culmination of Yamaha’svast experience in the production of pacesetting racing machines. It represents the highest grade ofcraftsmanship and reliability that have made Yamaha a leader.This manual explains operation, inspection, basic maintenance and tuning of your machine. If you haveany 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 manualcontains the most current product information available at the time of printing, there may be minor dis-crepancies between your machine and this manual. If you have any questions concerning this man-ual, please consult your Yamaha dealer.• This manual is intended for those who have basic knowledge and skill concerning the servicing ofYamaha motorcycles (e.g., Yamaha dealers, service engineers, etc.). Those who have little knowl-edge and skill concerning servicing are requested not to undertake inspection, adjustment, disassem-bly, or reassembly only by reference to this manual. It may lead to servicing trouble and mechanicaldamage.WARNINGEWA20270PLEASE READ THIS MANUAL CAREFULLY AND COMPLETELY BEFORE OPERATING THISMACHINE. DO NOT ATTEMPT TO OPERATE THIS MACHINE UNTIL YOU HAVE ATTAINED ASATISFACTORY KNOWLEDGE OF ITS CONTROLS AND OPERATING FEATURES AND UNTILYOU HAVE BEEN TRAINED IN SAFE AND PROPER RIDING TECHNIQUES. REGULAR INSPEC-TIONS AND CAREFUL MAINTENANCE, ALONG WITH GOOD RIDING SKILLS, WILL ENSURETHAT YOU SAFETY ENJOY THE CAPABILITIES AND THE RELIABILITY OF THIS MACHINE.EAM30001IMPORTANT MANUAL INFORMATIONParticularly 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 per-sonal injury hazards. Obey all safety messages that follow this symbolto avoid possible injury or death.A WARNING indicates a hazardous situation which, if not avoided, couldresult in death or serious injury.A NOTICE indicates special precautions that must be taken to avoiddamage to the vehicle or other property.A TIP provides key information to make procedures easier or clearer.WARNINGNOTICETIP