• MOTORCYCLE SERVICE MANUAL

MOTORCYCLE SERVICE MANUAL

MOTORCYCLE SERVICE MANUAL

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MODELS COVERED:

IT125 (1980-1981)
IT175 (1977-1983)
IT200 (1984-1986)
IT250 (1977-1983)
IT400 (1976-1979)
IT425 (1980)
IT465 (1981-1982)
IT490 (1983-1984)

This Yamaha vintage manual is 352 pages.

QUICK REFERENCE DATA

CHAPTER ONE / GENERAL INFORMATION
Manual organization / Service hints / Torque specifications / Safety first / Special tips / Parts replacement / Expendable supplies / What year is it? / Serial numbers / Basic hand tools / Tune-up and troubleshooting tools / Fasteners / Mechanic's tips / Specifications

CHAPTER TWO / TROUBLESHOOTING
Operating requirements / Troubleshooting instruments / Emergency troubleshooting / Engine starting / Engine performance / Engine noises / Excessive vibration / Two-stroke pressure testing / Front suspension and steering / Brake problems / Specifications

CHAPTER THREE / LUBRICATION, MAINTENANCE AND TUNE-UP
Pre-checks / Tires and wheels / Lubricants / Cleaning solvent / Periodic lubrication / Engine lubrication / Transmission oil checking and changing / Front fork oil change / Drive chain lubrication and adjustment / Periodic maintenance / Monoshock adjustment / Clutch mechanism and cable adjustment / Throttle adjustment / Air cleaner service / Engine tune-up / Cylinder head nuts torque / Spark plug / Ignition timing / Idle speed adjustment / Decarbonizing / engine and exhaust system / Storage / Specifications

CHAPTER FOUR / ENGINE
Engine principles / Engine lubrication / Engine cooling / Servicing engine in frame / Engine / Cylinder head / Cylinder / Piston, piston pin, and piston rings / Break-in procedure / Magneto / Reed valve assembly / Compression release (IT400C only) / Crankcase and crankshaft / Kickstarter / Service and adjustment / Specifications

CHAPTER FIVE / CLUTCH AND TRANSMISSION
Clutch / Clutch cable / Clutch release (push lever) mechanism / External shift mechanism / Transmission and internal shift mechanism / Specifications

CHAPTER SIX / FUEL AND EXHAUST SYSTEMS
Air cleaner / Carburetor operation / Carburetor service / Carburetor adjustments / Fuel shutoff valve / Fuel tank / Fuel filter / Exhaust system / Exhaust system decarbonizing / Exhaust system repair / Specifications

CHAPTER SEVEN / ELECTRICAL SYSTEM
Capacitor discharge ignition / Spark plug / Magneto / Ignition coil / Engine kill switch / Lighting system / Speedometer housing / Wiring diagrams / Specifications

CHAPTER EIGHT / FRONT SUSPENSION AND STEERING
Front wheel / Front hub / Wheels / Tire changing / Tire repairs / Handlebar / Steering head / Front fork / Specifications

CHAPTER NINE / REAR SUSPENSION
Rear wheel / Rear hub / Drive sprocket / Drive chain / Wheel balancing / Tire changing and tire repairs / Rear swing arm / Rear suspension (DeCarbon monocross system) / Rear suspension (monocross type) / Specifications

CHAPTER TEN / BRAKES
Front brake / Rear brake / Front brake cable / Rear brake pedal assembly / Specifications

CHAPTER ELEVEN / FRAME AND REPAINTING
Kickstand (sidestand) / Footpegs / Frame / Specifications

SUPPLEMENT / 1981 AND LATER SERVICE INFORMATION

INDEX

WIRING DIAGRAMS
 

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Product Specifications

General Information

Brandclymer
Label@YAM IT125-490 76-86
Universemoto
Categorymanuel_d_entretien
Supplier Part #CM414
ITL ID252-M414

Dimensions & Physical

Weight 0 lbs
Length0
Width0
Thickness0

Vehicle Fitment

Total Applications23
Applications YAMAHA IT125 1980YAMAHA IT125 1981YAMAHA IT175 1977YAMAHA IT175 1978YAMAHA IT175 1979YAMAHA IT175 1980YAMAHA IT175 1981YAMAHA IT175 1982YAMAHA IT175 1983YAMAHA IT200 1984YAMAHA IT200 1985YAMAHA IT200 1986YAMAHA IT250 1978YAMAHA IT250 1979YAMAHA IT250 1980YAMAHA IT250 1981YAMAHA IT250 1982YAMAHA IT250 1983YAMAHA IT400 1977YAMAHA IT400 1978YAMAHA IT465 1981YAMAHA IT465 1982YAMAHA IT490 1983
Makes YAMAHA
Models IT125IT175IT200IT250IT400IT465IT490
Years 1977197819791980198119821983198419851986

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