Yamaha IT125 IT175 IT200 IT400 IT425 IT465 IT490 Motorcycle Manual 1976-1986

Description

This 360 page, 1976 – 1986 Yamaha IT125 IT175 IT200 IT400 IT425 IT465 IT490 Clymer Motorcycle Repair Manual provides detailed service information, step-by-step repair instruction and maintenance specifications for 1976 – 1986 Yamaha IT125 IT175 IT200 IT400 IT425 IT465 IT490 two stroke trail bikes.

1976 – 1986 Yamaha IT125 IT175 IT200 IT400 IT425 IT465 IT490 Model Coverage

1980 – 1981 Yamaha IT125
1977 – 1983 Yamaha IT175
1984 – 1986 Yamaha IT200
1977 – 1983 Yamaha IT250
1976 – 1979 Yamaha IT400
1980 Yamaha IT425
1981 – 1982 Yamaha IT465
1983 – 1984 Yamaha IT490

1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986

Includes everything you need to know to perform tune-up and routine maintenance for the engine, clutch and transmission, fuel and exhaust, ignition system, steering and suspension, wheels, brakes and tires, electrical system, frame and body.

Table of Contents

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

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

CHAPTER THREE, LUBRICATION, MAINTENANCE AND TUNE-UP
Pre-checks, Tires and wheels, Lubricants, Cleaning solvent, Periodic lubrication, Periodic maintenance, Engine tune-up, Storage

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

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

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

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

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

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)

CHAPTER TEN, BRAKES
Front brake, Rear brake, Front brake cable, Rear brake pedal assembly

CHAPTER ELEVEN, FRAME AND REPAINTING
Kickstand (sidestand), Footpegs, Frame

SUPPLEMENT, 1981 AND LATER SERVICE INFORMATION

INDEX

WIRING DIAGRAMS