Yamaha YZ125-250 (1988-1993) & WR250Z (1991-1993) Motorcycle Service Repair Manu

This item will be dispatched directly by Haynes and will arrive separately from any other parts ordered.

Clymer motorcycle repair manuals are written specifically for the do-it-yourself enthusiast. From basic maintenance to troubleshooting to complete overhaul, Clymer manuals provide the information you need. The most important tool in your tool box may be your Clymer manual, get one today.Every Clymer manual contains hundreds of original photographs and illustrations developed from a complete disassembly and assembly of a motorcycle. This, in addition to extensive research, allows Clymer to achieve an unmatched level of detail, accuracy and clarity.The step-by-step instructions and two-column text with large print are user-friendly. Bold figure numbers make it easy to quickly match instructions with illustrations and photos. Thumb-tabbed chapters, numbered table of contents and an extensive index make it possible to locate the desired section quickly.

What's Covered

THIS YAMAHA MOTORCYCLE MANUAL IS 488 PAGES.

• QUICK REFERENCE DATA
• CHAPTER ONE / GENERAL INFORMATIONMANUAL ORGANIZATION / NOTES, CAUTIONS AND WARNINGS / SAFETY FIRST / SERVICE HINTS / WASHING THE BIKE / TORQUE SPECIFICATIONS / FASTENERS / LUBRICANTS / RTV GASKET SEALANT / THREADLOCK / PARTS REPLACEMENT / OPTIONAL PARTS / BASIC HAND TOOLS / PRECISION MEASURING TOOLS / SPECIAL TOOLS / FABRICATING TOOLS / MECHANIC'S TIPS / BALL BEARING REPLACEMENT / OIL SEALS / SAFETY / SPECIFICATIONS
• CHAPTER TWO / TROUBLESHOOTINGOPERATING REQUIREMENTS/ TROUBLESHOOTING INSTRUMENTS / STARTING THE ENGINE / STARTING DIFFICULTIES / ENGINE STARTING TROUBLES / ENGINE PERFORMANCE / ENGINE / ENGINE NOISES / TWO-STROKE PRESSURE TESTING / FUEL SYSTEM / IGNITION SYSTEM / CLUTCH / TRANSMISSION / DRIVE TRAIN NOISE / FRONT SUSPENSION AND STEERING / REAR SUSPENSION / FRAME NOISE / BRAKES / SPECIFICATIONS
• CHAPTER THREE / LUBRICATION, MAINTENANCE AND TUNE-UPPRE-RIDE CHECKLIST / MAINTENANCE SCHEDULE / TIRES AND WHEELS / LUBRICANTS / CLEANING SOLVENT / ENGINE LUBRICATION / PERIODIC LUBRICATION / TRANSMISSION OIL LEVEL CHECK AND CHANGE / FRONT FORK OIL CHANGE AND OIL LEVEL ADJUSTMENT / DRIVE CHAIN LUBRICATION / SWING ARM BEARING ASSEMBLY LUBRICATION / RELAY ARM AND CONNECTING ROD LUBRICATION / KICKSTARTER SPLINE LUBRICATION / FRONT FORK DUST AND OIL SEAL CLEANING AND LUBRICATION (1989-ON) / PERIODIC MAINTENANCE / DRIVE CHAIN CLEANING AND ADJUSTMENT / CLUTCH ADJUSTMENT / THROTTLE CABLE ADJUSTMENT / AIR FILTER SERVICE / FUEL VALVE CLEANING / SPROCKET BOLT TIGHTNESS / COOLANT CHANGE / ENGINE TUNE-UP / CYLINDER HEAD NUTS TORQUE / SPARK PLUG / IGNITION TIMING (CDI) / CARBURETOR IDLE SPEED ADJUSTMENT / IDLE SPEED AND MIXTURE ADJUSTMENT / CARBON REMOVAL / STORAGE / SPECIFICATIONS
• CHAPTER FOUR / ENGINE TOP ENDENGINE PRINCIPLES / ENGINE LUBRICATION / CLEANLINESS / SERVICING ENGINE IN FRAME / CYLINDER HEAD / CYLINDER AND POWER VALVE / PISTON, WRIST PIN AND PISTON RINGS / REED VALVE ASSEMBLY / ENGINE BREAK-IN / SPECIFICATIONS
• CHAPTER FIVE / ENGINE LOWER ENDSERVICING ENGINE IN FRAME / ENGINE / ENGINE SPROCKET / COUNTERSHAFT OIL SEAL REPLACEMENT / CRANKCASE AND CRANKSHAFT / SPECIFICATIONS
• CHAPTER SIX / CLUTCH / KICKSTARTER AND EXTERNAL SHIFT MECHANISMRIGHT-HAND CRANKCASE COVER / CLUTCH COVER / CLUTCH RELEASE MECHANISM / CLUTCH RELEASE ARM / EXHAUST GOVERNOR ASSEMBLY / CLUTCH / CLUTCH SERVICE / CLUTCH INSPECTION / PRIMARY DRIVE PINION GEAR / CLUTCH CABLE / KICKSTARTER AND IDLER GEAR / EXTERNAL SHIFT MECHANISM / SPECIFICATIONS
• CHAPTER SEVEN / TRANSMISSION AND INTERNAL SHIFT MECHANISMTRANSMISSION OPERATION / TRANSMISSION TROUBLESHOOTING / TRANSMISSION / TRANSMISSION OVERHAUL / TRANSMISSION INSPECTION / INTERNAL SHIFT MECHANISM / SPECIFICATIONS
• CHAPTER EIGHT / FUEL AND EXHAUST SYSTEMSAIR FILTER / CARBURETOR OPERATION / CARBURETOR SERVICE / CARBURETOR CLEANING AND INSPECTION / CARBURETOR FLOAT HEIGHT ADJUSTMENT / CARBURETOR REJETTING / FUEL TANK / FUEL SHUTOFF VALVE / EXHAUST SYSTEM / EXHAUST SYSTEM REPAIR / SPECIFICATIONS
• CHAPTER NINE / IGNITION SYSTEMCOMPONENT TESTING / CAPACITOR DISCHARGE IGNITION / FLYWHEEL ROTOR / CDI UNIT / IGNITION COIL / SPARK PLUG / ENGINE STOP SWITCH / WIRING DIAGRAMS / SPECIFICATIONS
• CHAPTER TEN / LIQUID COOLING SYSTEMSAFETY PRECAUTIONS / COOLING SYSTEM INSPECTION / RADIATOR / WATER PUMP / HOSES / SPECIFICATIONS
• CHAPTER ELEVEN / FRONT SUSPENSION AND STEERINGFRONT WHEEL / FRONT HUB / RIM AND SPOKE SERVICE / TIRE CHANGING / TIRE REPAIRS / HANDLEBAR / STEERING HEAD / FRONT FORK / SPECIFICATIONS
• CHAPTER TWELVE / REAR SUSPENSIONREAR WHEEL / REAR HUB / DRIVEN SPROCKET / DRIVE CHAIN / TIRE CHANGING AND TIRE REPAIRS / SHOCK ABSORBER / REAR SWING ARM AND LINKAGE / SWING ARM SIDE CLEARANCE / BEARING / SUB-FRAME AND BACK STAY / SPECIFICATIONS
• CHAPTER THIRTEEN / BRAKESDISC BRAKE / FRONT BRAKE PAD / FRONT CALIPER / FRONT MASTER CYLINDER / REAR BRAKE PAD / REAR BRAKE CALIPER / REAR MASTER CYLINDER / BRAKE HOSE / BRAKE DISC / BRAKE BLEEDING / SPECIFICATIONS
• INDEX
• WIRING DIAGRAMS
• MODELS COVERED:1991 1992 1993 YAMAHA WR250Z WR 250Z 250 Z1988 1989 1990 1991 1992 1993 YAMAHA YZ125 YZ 1251988 1989 1990 1991 1992 1993 YAMAHA YZ250 YZ 2501989 1990 YAMAHA YZ250WR YZ 250WR 250 WR
• CLYMER MANUALS YAMAHA YZ125 MANUALCLYMER MANUALS YAMAHA YZ250 MANUALCLYMER MANUALS YAMAHA YZ250WR MANUALCLYMER MANUALS YAMAHA WR250Z MANUAL
• YZ125 (1988-1993)YZ250 (1988-1993)YZ250WR (1989-1990)WR250Z (1991-1993)