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Yamaha DT125B 1974 - User Manual

Yamaha DT125B 1974
189 pages
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Table of Contents

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Summary

CHAPTER 2. PERIODIC INSPECTIONS AND ADJUSTMENTS

2-2. MAINTENANCE INTERVAL CHARTS

Recommended service intervals for various components and systems for regular upkeep.

CHAPTER 3. ENGINE OVERHAUL

3-4. INSPECTION AND REPAIRING

Procedures for inspecting engine parts for wear and damage, including repair methods.

3-5. ENGINE ASSEMBLING AND ADJUSTMENT

Instructions for reassembling engine components and making necessary operational adjustments.

CHAPTER 4. CARBURETION

4-3. CARBURETOR

Comprehensive guide to carburetor description, disassembly, checking, and troubleshooting.

CHAPTER 5. CHASSIS

CHAPTER 6. ELECTRICAL SYSTEM FOR DT100 C, DT175 C

6-4. CONNECTION DIAGRAM

Wiring diagrams illustrating the electrical system connections for specified models.

6-5. IGNITION SYSTEM

Detailed explanation of the ignition system operation, timing, and testing procedures.

6-6. CHARGING SYSTEM

Explanation of the charging system, voltage tests, and component checks.

CHAPTER 7. ELECTRICAL SYSTEM FOR DT125 C

7-4. CONNECTION DIAGRAM

Wiring diagrams specific to the DT125C electrical system configuration.

CHAPTER 8. APPENDICES

TECHNICAL BULLETIN: PISTON RING HANDLING

TECHNICAL BULLETIN: ALL 1974 MODELS CRANKSHAFT SPECIFICATIONS

Yamaha DT125B 1974 Specifications

General IconGeneral
Displacement123 cc
Transmission5-speed
Final DriveChain
Front SuspensionTelescopic fork
Front BrakeDrum
Rear BrakeDrum
Engine TypeSingle cylinder, 2-stroke
Bore x Stroke56 mm x 50 mm
Power14 hp
Fuel SystemCarburetor
Rear SuspensionSwingarm

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