Yamaha YZ250F (2001 - 2003)

This Yamaha motorcycle manual is 456 pages.

QUICK REFERENCE DATA

CHAPTER ONE / GENERAL INFORMATION
Manual organization / Warnings, cautions and notes / Safety / Serial numbers / Fasteners / Shop supplies / Basic tools / Bike stand / Precision measuring tools / Electrical system fundamentals / Special tools / Basic service methods / Storage / Specification

CHAPTER TWO / TROUBLESHOOTING
Operating requirements / Starting the engine / Engine spark test / Engine performance / Engine noise / Cylinder head / Cylinder and piston / Preignition / Detonation / Engine noises / Engine leak down test / Fuel system / Clutch / External shift mechanism and transmission / Kickstarter / Electrical testing / Lighting system / Electric starter / Charging system / Ignition system / Throttle position sensor / Front suspension and steering / Rear suspension / Frame noise / Brakes / Specification

CHAPTER THREE / LUBRICATION, MAINTENANCE AND TUNE-UP
Maintenance schedule intervals / Pre-ride inspection / Engine oil and filter / Air filter / Ignition timing / Spark plug / Engine compression check / Engine top end inspection / Valve clearance / Flywheel nut / Engine break-in / Specifications

CHAPTER FOUR / ENGINE TOP END
Shop cleanliness / Exhaust system / Cylinder head cover / Camshafts and cam chain tensioner / Cam chain and guides / Cylinder head / Valve lifters and shims / Valves / Cylinder / Piston and piston rings / Specifications

CHAPTER FIVE / ENGINE LOWER END
Shop cleanliness / Engine removal and installation / Crankcase / Crankcase seal and bearing replacement / Oil pump drive gear pivot shaft / Crankshaft / Specifications

CHAPTER SIX / CLUTCH, OIL PUMP, KICKSTARTER AND EXTERNAL SHIFT MECHANISM
Torque specifications / Right crankcase cover / Clutch cover / Clutch push lever / Balancer and primary drive gears / Oil pump / Kickstarter and kick idle gear / External shift mechanism / Clutch cable / Specifications

CHAPTER SEVEN / TRANSMISSION AND INTERNAL SHIFT MECHANISM
Mainshaft / Countershaft / Inspection / Shift drum and forks / Specifications

CHAPTER EIGHT / FUEL SYSTEM
Carburetor / Float height adjustment / Carburetor rejetting / Fuel tank / Fuel shutoff valve / Throttle cable replacement / Hot start cable / Specifications

CHAPTER NINE / ELECTRICAL SYSTEM
Left crankcase cover / Flywheel and stator / Stator coils / Stator coil / Flywheel and starter clutch / Ignition coil / Ignition coil / Capacitor discharge ignition unit CDI / Ignition component testing / Ignition timing / Throttle position sensor / Lighting system / Lighting system testing / Voltage regulator / Battery / Charging system / Starter / Starter relay switch / Starting circuit cut-off relay / Diode / Switches / Fuse / Specifications

CHAPTER TEN / COOLING SYSTEM
Inspection / Water pump seal inspection / Pressure test / Radiator / Radiator pipe / Coolant reserve tank / Water pump / Specifications

CHAPTER ELEVEN / WHEELS, TIRES AND DRIVE CHAIN
Front rear wheel / Front rear hubs / Wheel service / Drive chain / Sprocket replacement / Specifications

CHAPTER TWELVE / FRONT SUSPENSION AND STEERING
Handlebar / Grips / Steering head / Steering play check and adjustment / Steering head bearing races / Front fork / Fork oil change and oil level adjustment / Fork adjustment / Specifications

CHAPTER THIRTEEN / REAR SUSPENSION
Shock absorber / Shock linkage / Swing arm / Rear suspension adjustment / Specifications

CHAPTER FOURTEEN / BRAKES
Brake pads / Front brake caliper / Front rear master cylinder / Rear brake caliper / Brake pedal / Brake disc / Draining brake fluid / Brake bleeding / Specifications

CHAPTER FIFTEEN / BODY
Seat / Side covers / Radiator shrouds / Front fender / Rear fender / Footpegs / Subframe / Odometer / Sidestand / Specifications

INDEX

WIRING DIAGRAMS

Models covered:
2001 2002 2003 Yamaha WR250F WR250 WR 250F 250 F
2001 2002 2003 Yamaha YZ250F YZ250 YZ 250F 250 F

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WR250F (2001-2003)
YZ250F (2001-2003)