by E. Scott
Yamaha DT100, DT125, DT175, DT250, DT400, MX100, MX175 1977 - 1983 Clymer Owners Service & Repair Manual Covers the following Models:
● DT100 (1977-1983)
● DT125 (1978-1981)
● DT175 (1978-1981)
● DT250 (1977-1979)
● DT400 (1977-1978)
● MX100 (1979-1983)
● MX175 (1979-1981)
● QUICK REFERENCE DATA
● 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
Operating requirements / Troubleshooting instruments / Emergency troubleshooting / Engine starting / Engine performance / Engine noises / Excessive vibration / Two-stroke pressure test / Front suspension and steering / Brake problems
● LUBRICATION, MAINTENANCE AND TUNE-UP
Routine checks / Pre-checks / Tyres 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
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
● CLUTCH AND TRANSMISSION
Clutch / Clutch cable / Clutch release (push lever) mechanism / External shift mechanism / Transmission and internal shift mechanism / Specifications
● 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
● 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
● FRONT SUSPENSION AND STEERING
Front wheel / Front hub / Wheels / Tyre changing / Tyre repairs / Handlebar / Steering head / Front fork / Specifications
● 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 / Tyre changing and Tyre repairs / Rear swing arm / Monoshock rear suspension (Decarbon Monocross system) / Dual-shock rear suspension (DT100 and MX100) / Specifications
Front brake / Rear brake / Rear brake pedal assembly / Specifications
● FRAME AND REPAINTING
Kickstand (sidestand) / Footpegs / Frame / Specifications
● WIRING DIAGRAMS
Clymer motorcycle repair manuals can save you money on maintenance and repair bills. Step-by-step procedures and detailed illustrations guide you through every job, from maintenance and troubleshooting, all the way to complete teardown and rebuild.
Please note that workshop manuals are usually written for models sold in a specific country. Differences in specification can exist between models sold in different countries and items such as engines can vary. Please check that the manual will cover your model before purchase and if you are unsure please contact us first.
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