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Yamaha YZ250 & WR250Z Service & Repair Manual 1994-1998 (ECM498)

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Yamaha YZ250 & WR250Z Service & Repair Manual 1994-1998

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Yamaha YZ250 and WR250Z manual.

Clymer Yamaha YZ250 1994-1998 and WR250Z 1994-1997 repair manual is written specifically for the do-it-yourself enthusiast. From basic maintenance to troubleshooting to complete overhaul of your Yamaha YZ250 1994-1998 and WR250Z 1994-1997, Clymer manuals provide the information you need. The most important tool in your tool box may be your Clymer manual, get one today.

Models:

YZ250 (1994-1998)
WR250Z (1994-1997)

QUICK REFERENCE DATA

CHAPTER ONE / GENERAL INFORMATION
Manual organization / Cleaning parts / Handling gasoline safely / Service hints / Serial numbers / Warning labels / Torque specifications / Fasteners / Lubricants / Sealant, cements and cleaners / Threadlocking compound / Basic hand tools / Precision measuring tools / Test equipment / Special tools / Mechanic¿s tips / Bearing replacement / Seals / Specifications

CHAPTER TWO / TROUBLESHOOTING
Operating requirements / Starting the engine / Starting difficulties / Engine performance / Engine noises / Two-stroke leak down test / Fuel system / Electrical troubleshooting / Test equipment / Ignition system / Clutch / External shift mechanism and transmission / Kickstarter / Drive train noise / Front suspension and steering / Rear suspension / Frame noise / Brakes / Suspension

CHAPTER THREE / LUBRICATION, MAINTENANCE AND TUNE-UP
Service intervals / Tune-up / Two-stroke leakdown test / Pre-ride inspection / Engine lubrication / Transmission oil / Air filter / Engine compression check / Ignition timing / Spark plug / Carburetor / Exhaust system / Control cable lubrication / Throttle cable adjustment / Engine top end inspection / Kickstarter pedal and shift pedal / Specifications

CHAPTER FOUR / ENGINE TOP END
Exhaust system / Cylinder head / Cylinder block / Exhaust valve / Exhaust valve service / Piston, piston pin and piston rings / Reed valve assembly / Engine break-in / Specifications

CHAPTER FIVE / ENGINE BOTTOM END
Removal installation / Countershaft seal / Left-side main bearing seal / Crankcase and crankshaft / Specifications

CHAPTER SIX / CLUTCH, KICKSTARTER, IDLE GEAR AND EXTERNAL SHIFT MECHANISM
Clutch cover / Clutch release lever / Right crankcase cover / Exhaust valve governor / Clutch / Clutch service / Primary drive gear / Kickstarter and idle gear / External shift mechanism / Clutch cable / Specifications

CHAPTER SEVEN / TRANSMISSION AND INTERNAL SHIFT MECHANISM
Transmission operation / Troubleshooting / Transmission overhaul / Transmission inspection / Internal shift mechanism / Specifications

CHAPTER EIGHT / FUEL SYSTEM
Carburetor / Carburetor cleaning and inspection / Float level / Carburetor rejetting / Fuel tank / Fuel valve / Throttle cable / Specifications

CHAPTER NINE / IGNITION SYSTEM
Component testing / Capacitor discharge ignition / Flywheel / Stator coils / CDI unit / Ignition coil / Engine stop switch / Ignition timing / Specifications

CHAPTER TEN / LIQUID COOLING SYSTEM
Hoses and clamps / Inspection / Radiators / Water pump / Specifications

CHAPTER ELEVEN / WHEELS, TIRES AND DRIVE CHAIN
Hubs / Rim and spoke service / Drive chain / Sprocket / Specifications

CHAPTER TWELVE / FRONT SUSPENSION AND STEERING
Handlebar / Steering head / Front fork oil change and oil level adjustment / Front fork / Front fork service / Front fork adjustment / Specifications

CHAPTER THIRTEEN / REAR SUSPENSION
Shock absorber / Shock linkage / Swing arm / Connecting rod and relay arm / Rear suspension adjustment / Specifications

CHAPTER FOURTEEN / BRAKES
Brake pads / Caliper / Master cylinder / Brake hose / Brake disc / Brake bleeding draining / Rear brake pedal / Specifications

CHAPTER FIFTEEN / BODY
Seat / Side covers / Radiator covers / Front fender / Rear fender / Subframe / Specifications

INDEX

WIRING DIAGRAMS

More details
Part number: ECM498
Language: English

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