Yamaha YZ250FX YZ250FXF Shop Manual 2015
FILE DETAILS:
LANGUAGE:ENGLISH
PAGES: 400
DOWNLOADABLE:YES
FILE TYPE:PDF
VIDEO PREVIEW OF THE MANUAL:
IMAGES PREVIEW OF THE MANUAL:
DESCRIPTION:
HOW TO USE THIS 2015 Yamaha YZ250FX YZ250FXF Shop Manual : In this manual, descriptions of installation, removal, disassembly, assembly, check, and adjustment procedures are laid out with the individual steps in sequential order.
- • The manual is divided into chapters and each chapter is divided into sections. The current section title “1” is shown at the top of each page.
- • Sub-section titles “2” appear in smaller print than the section title.
- • To help identify parts and clarify procedure steps, there are exploded diagrams “3” at the start of each removal and disassembly section.
- • Numbers “4” are given in the order of the jobs in the exploded diagram. A number indicates a removal or a disassembly step.
- • Symbols “5” indicate parts to be lubricated or replaced. Refer to “SYMBOLS”.
- • A job instruction chart “6” accompanies the exploded diagram, providing the order of jobs, the names of parts, the notes in jobs, etc.
- • Jobs “7” requiring more information (such as special tools and technical data) are described sequentially.
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 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 characteristics.
• 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 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 engine or exhaust
system. Never refuel in the vicinity 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 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 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 dangerous 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 AND MUFFLER 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.
For safety, drain the gasoline from the fuel tank before transporting the vehicle.
TABLE OF CONTENTS:
Yamaha YZ250FX YZ250FXF Shop Manual 2015
TABLE OF CONTENTS........................................ 0 GENERAL INFORMATION.................................. 14 LOCATION OF IMPORTANT LABELS..................... 16 DESCRIPTION...................................... 19 IDENTIFICATION................................... 20 FEATURES......................................... 21 INCLUDED PARTS................................... 23 IMPORTANT INFORMATION............................ 24 BASIC SERVICE INFORMATION........................ 26 SPECIAL TOOLS.................................... 30 CONTROL FUNCTIONS................................ 36 STARTING AND BREAK-IN............................ 39 MAINTENANCE AFTER BREAK-IN....................... 42 TORQUE-CHECK POINTS.............................. 43 MOTORCYCLE CARE AND STORAGE...................... 45 SPECIFICATIONS....................................... 48 GENERAL SPECIFICATIONS........................... 49 ENGINE SPECIFICATIONS............................ 50 CHASSIS SPECIFICATIONS........................... 56 ELECTRICAL SPECIFICATIONS........................ 59 TIGHTENING TORQUES............................... 60 LUBRICATION POINTS AND LUBRICANT TYPES........... 67 LUBRICATION SYSTEM CHART AND DIAGRAMS............ 71 CABLE ROUTING DIAGRAM............................ 79 PERIODIC CHECKS AND ADJUSTMENTS...................... 94 MAINTENANCE INTERVALS............................ 96 PRE-OPERATION INSPECTION AND MAINTENANCE.........102 ENGINE...........................................103 CHASSIS..........................................116 ELECTRICAL SYSTEM................................131 CHASSIS..............................................134 GENERAL CHASSIS..................................136 FRONT WHEEL......................................138 REAR WHEEL.......................................142 FRONT BRAKE......................................146 REAR BRAKE.......................................156 HANDLEBAR........................................166 FRONT FORK.......................................173 STEERING HEAD....................................186 REAR SHOCK ABSORBER ASSEMBLY.....................190 SWINGARM.........................................197 CHAIN DRIVE......................................200 ENGINE...............................................204 ENGINE REMOVAL...................................207 CAMSHAFT.........................................218 CYLINDER HEAD....................................225 VALVES AND VALVE SPRINGS.........................229 CYLINDER AND PISTON..............................237 ELECTRIC STARTER.................................242 CLUTCH...........................................247 KICKSTATER.......................................256 SHIFT SHAFT......................................259 OIL PUMP AND BALANCER GEAR.......................264 GENERATOR AND STARTER CLUTCH.....................270 CRANKCASE........................................276 CRANKSHAFT ASSEMBLY AND BALANCER SHAFT...........281 TRANSMISSION.....................................284 COOLING SYSTEM.......................................290 RADIATOR.........................................291 WATER PUMP.......................................294 FUEL SYSTEM..........................................298 FUEL TANK........................................299 THROTTLE BODY....................................303 ELECTRICAL SYSTEM....................................308 IGNITION SYSTEM..................................311 ELECTRIC STARTING SYSTEM.........................315 CHARGING SYSTEM..................................321 COOLING SYSTEM (For JPN).........................325 FUEL INJECTION SYSTEM............................329 FUEL PUMP SYSTEM.................................355 ELECTRICAL COMPONENTS............................359 TROUBLESHOOTING......................................378 TROUBLESHOOTING..................................379 LIST OF SELF-DIAGNOSTIC AND FAIL-SAFE ACTIONS....382 TUNING...............................................386 CHASSIS..........................................387 YZ250FX/YZ250FXF 2015WIRING DIAGRAM..................398
PLEASE NOTE:
- This is the same manual used by the dealers to diagnose and troubleshoot your vehicle
- You will be directed to the download page as soon as the purchase is completed. The whole payment and downloading process will take anywhere between 2-5 minutes
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