• MOTORCYCLE SERVICE MANUAL

MOTORCYCLE SERVICE MANUAL

MOTORCYCLE SERVICE MANUAL

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MODELS COVERED:

DT100 (1977-1983)
DT125 (1978-1981)
DT175 (1978-1981)
DT250 (1977-1979)
DT400 (1977-1978)
MX100 (1979-1983)
MX175 (1979-1981)

This Yamaha Vintage Classic Motorcycle Manual is 320 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 test / Front suspension and steering / Brake problems

CHAPTER THREE / LUBRICATION, MAINTENANCE AND TUNE-UP
Routine checks / Pre-checks / Tires and wheels / Battery / Periodic lubrication / Checking engine oil / Transmission oil checking and changing / Front fork oil change / Drive chain lubrication / Periodic maintenance / Monoshock adjustment / Drive chain adjustment / Clutch adjustment / Autolube oil pump adjustment / Throttle adjustment / Air cleaner / Pulsating Air System (air injection) - DT250F only / Engine tune-up / Cylinder head nut torque / Spark plug / Ignition timing (CDI - capacitor discharge ignition) / Ignition timing (breaker point ignition) / Idle speed adjustment / Exhaust decarbonizing / Storage / Specifications

CHAPTER FOUR / ENGINE
Engine principles / Engine lubrication / Engine cooling / Servicing engine in frame / Cylinder head / Cylinder / Piston, piston pin and piston rings / Break-in procedure / Magneto / Oil pump / Reed valve assembly / Compression release (DT 400D 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 service / Carburetor operation / Carburetor adjustments / Fuel shutoff valve / Fuel tank / Fuel filter / Exhaust system / Exhaust system decarbonizing / Exhaust system repair / Specifications

CHAPTER SEVEN / ELECTRICAL SYSTEM
Charging system (DT series only) / Battery / Magneto / Voltage regulator (DT series only) / Rectifier (DT series only) / Contact breaker point ignition / Capacitor discharge ignition / Spark plug / Ignition coil / Lighting system (DT series only) / Switches / Electrical components / 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 (all models except DT100 and MX100) / Drive sprocket assembly (Model DT100 and MX100) / Drive chain / Wheel balancing / Tire changing and tire repairs / Rear swing arm / Monoshock rear suspension (Decarbon Monocross system) / Dual-shock rear suspension (DT100 and MX100) / Specifications

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

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

INDEX

WIRING DIAGRAMS
 

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MOTORCYCLE SERVICE MANUAL

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Product Specifications

General Information

Brandclymer
LabelYAM DT AMP; MX SERIES SNGLS 77-83
Universemoto
Categorymanuel_d_entretien
Supplier Part #CM412
ITL ID252-M412

Dimensions & Physical

Weight 1.411 lbs
Length10.25
Width7
Thickness0.75

Vehicle Fitment

Total Applications28
Applications YAMAHA DT100 1977YAMAHA DT100 1978YAMAHA DT100 1979YAMAHA DT100 1980YAMAHA DT100 1981YAMAHA DT100 1982YAMAHA DT100 1983YAMAHA DT125 1978YAMAHA DT125 1979YAMAHA DT125 1980YAMAHA DT125 1981YAMAHA DT175 1978YAMAHA DT175 1979YAMAHA DT175 1980YAMAHA DT175 1981YAMAHA DT250 1977YAMAHA DT250 1978YAMAHA DT250 1979YAMAHA DT400 1977YAMAHA DT400 1978YAMAHA MX100 1979YAMAHA MX100 1980YAMAHA MX100 1981YAMAHA MX100 1982YAMAHA MX100 1983YAMAHA MX175 1979YAMAHA MX175 1980YAMAHA MX175 1981
Makes YAMAHA
Models DT100DT125DT175DT250DT400MX100MX175
Years 1977197819791980198119821983

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