EAS1SM1003
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.
EAS1SM1004
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
Summary of Contents for YZ250F(E)
Page 4: ......
Page 10: ......
Page 12: ......
Page 16: ...LOCATION OF IMPORTANT LABELS 1 2 EUR...
Page 17: ...LOCATION OF IMPORTANT LABELS 1 3 AUS NZL ZAF...
Page 42: ...CLEANING AND STORAGE 1 28...
Page 68: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 25...
Page 70: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 27...
Page 72: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 29...
Page 74: ...CABLE ROUTING DIAGRAM 2 31 EAS1SM1064 CABLE ROUTING DIAGRAM...
Page 76: ...CABLE ROUTING DIAGRAM 2 33...
Page 78: ...CABLE ROUTING DIAGRAM 2 35...
Page 80: ...CABLE ROUTING DIAGRAM 2 37...
Page 82: ...CABLE ROUTING DIAGRAM 2 39...
Page 84: ...CABLE ROUTING DIAGRAM 2 41...
Page 190: ...CHAIN DRIVE 4 66...
Page 250: ...OIL PUMP AND BALANCER GEAR 5 57 c d 6 6 7 8 8 b...
Page 286: ......
Page 295: ...CHARGING SYSTEM 8 9 EAS1SM1326...
Page 321: ...FUEL PUMP SYSTEM 8 35 EAS1SM1333...
Page 322: ...ELECTRICAL COMPONENTS 8 36 ELECTRICAL COMPONENTS EAS1SM1334 9 10 1 2 3 4 5 6 7 8...
Page 324: ...ELECTRICAL COMPONENTS 8 38 CHECKING THE SWITCHES B Y P Sb 2 1...
Page 325: ...ELECTRICAL COMPONENTS 8 39 1 Engine stop switch 2 Neutral switch...
Page 334: ...ELECTRICAL COMPONENTS 8 48...
Page 342: ...LIST OF SELF DIAGNOSTIC AND FAIL SAFE ACTIONS 9 7...
Page 353: ......
Page 354: ...PRINTED IN JAPAN E PRINTED ON RECYCLED PAPER...