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Manuals
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Yamaha Manuals
Motorcycle
DT100A 1974
Service manual
Yamaha DT100A 1974 Service Manual
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Table Of Contents
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Section Index
General Information
Machine Identification
Starting Serial Numbers
External View
Specifications
Special Tools and Gauges
Point Checker
Pocket Tester
Electro Tester
Periodic Inspections and Adjustments
Tools
Maintenance Interval Charts
Periodic Maintenance
Lubrication Intervals
Recommended Lubricant Type
Engine
Carburetor
Air Cleaner
Autolube Pump
Pump Stroke Adjustment
Engine and Transmission Oil
Clutch
Chassis
Cylinder Head
Fuel Petcock
Front Brake and Wheel
Rear Brake and Wheel
Drive Chain
Drive Chain Maintenance
Front Fork Oil Change
Suspension, Steering and Swing Arm
Electrical
Contact Breaker Points
Ignition Timing
Spark Plug
Battery
Headlight
Replacing the Headlight Bulb
Engine Overhaul
Removal
Fuel Tank Assembly
Wiring and Cables
Change Pedal
Flywheel Magneto
Reed Valve Assembly
Kick Crank
Piston Pin and Piston
Clutch Assembly and Primary Drive Gear
Primary Drive
Kick Axle Assembly
Change Shaft Assembly
Clutch Push Lever Axle
Shift Cam Stopper
Crankcase
Transmission
Inspection and Repairing
Crankshaft
Cylinder
Piston Pin and Bearing
Piston
Piston Rings
Kick Starter Assembly
Mounting
Crankcase Cover, Right
Carburetion
Hard Starting
Poor Performance at Low Speed Operation
Poor Acceleration
Float Level
Front Wheel Removal
Front Axle
Checking Brake Shoe Wear
Brake Drum
Checking Speedometer Gear
Replacing Wheel Bearings
Installing Front Wheel
Rear Wheel
Installing Rear Wheel
DT100C Rear Wheel
DT125C, DT175C Rear Wheel
Rims and Spokes
Tires and Tubes
Checking the Loose Spokes
Checking Rim "Run-Out"
Drive Chain and Sprockets
Chain Inspection
Chain Maintenance
Front Forks Disassembly
Front Forks Inspection
Front Forks Assembly
DT100C/175C Front Fork
Steering Head Adjustment
Steering Head Disassembly
Steering Head Inspection
Steering Head Installation
Swing Arm Inspection
Rear Shock Absorber Removal
Rear Shock Absorber Inspection
Swing Arm Lubrication
Swing Arm Removal
Thermal Phase Shocks Operation
Thermal Phase Shocks Inspection
Shock Absorber Oil Change
DT100C Rear Arm
DT125C Rear Arm
DT175C Rear Arm
Cable and Fittings
Cable Maintenance
DTC175C Handle, Wire
DT125C Handle, Wire
Throttle Maintenance
Cable Junction Maintenance
Miscellaneous Chassis Components
Fuel Tank
Oil Tank
Stand/Footrest/Brake Pedal
Electrical System for DT100C, DT175C
Connection Diagram
Ignition System
Spark Gap Test
Ignition Coil Test
Coil Winding Resistance Tests
Condenser Test
Capacity Test
DT100C Flywheel Magneto
DT175C Flywheel Magneto
Charging System
Charging Output Test
Checking Silicon Rectifier
A.C. Voltage Regulator
Lighting and Signal Systems
Service Life
Lighting Tests and Checks - A.C. Circuit
A.C. Circuit Output Test
Lighting Coil Resistance Check
Lighting Tests and Checks - D.C. Circuit
Flasher Relay and Horn
DT100C Electrical Components
DT175C Electrical Components
How to Read Spark Plug
Spark Plug Inspection
Switches
Wire Color Abbreviations
Electrical System for DT125C
Starting and Charging System
Ignition System Description
Ignition Timing-Checking and Adjustment
Ignition Coil
Charging Mode
Starting Mode
Checking the Dynamo
Checking Carbon Brushes
Checking the Armature Assembly
Checking the Commutator Mice Undercut
Dynamo Adjustment Standards
Measuring Charging Voltage
Regulator (Voltage Regulator)
Regulator Maintenance Standards
Main Switch
Engine Stop Switch
Light Switch
Flasher Switch
Lighting System
Light Bulbs and Horn
Lighting Tests and Checks
Horn Does Not Work
High Beam Indicator Light Does Not Work
Low Beam Does Not Work
DT125C Electrical Components
Appendices
Troubleshooting Guide
No Start or Difficult to Start
Engine/Exhaust Systems
Poor Idle And/Or Low Speed Performance
Poor MID-Range and Poor High Speed Performance
Conversion Tables
Metric to Inch System
Inch to Metric System
Millimeters to Inches
Inches to Millimeters
Torque Specifications
Standard Torque Setting
Cable Routing Diagrams
DT100C Cable Routing Diagram
DT125C Cable Routing Diagram
DT175C Cable Routing Diagram
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This manual is also suitable for:
Dt100a 1976
Dt100c 1976
Dt125a 1974
Dt125a 1976
Dt100b 1974
Dt125b 1974
...
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Dt125b 1976
Dt125c 1974
Dt125c 1976
Dt175a 1974
Dt175a 1976
Dt175b 1974
Dt175b 1976
Dt175c 1974
Dt175c 1976
Dt100b1976
Dt100c 1974
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