This comprehensive service repair manual provides detailed instructions and step-by-step diagrams for all workshop repair procedures for your 1964-1975 Hodaka 90cc and 125cc single-cylinder motorcycles. The manual covers everything from basic maintenance to complex engine rebuilds, ensuring you have the information you need to keep your motorcycle in top condition. It includes detailed sections on:

* **General Information:** Provides a foundational understanding of the motorcycle's systems.
* **Lubrication:** Covers proper lubrication techniques and recommended fluids for different parts of the motorcycle.
* **Inspection and Adjustment:** Guides you through routine inspections and adjustments to ensure optimal performance.
* **Fuel System:** Provides detailed information on troubleshooting and repairing fuel system components, including carburetors.
* **Engine Removal/Installation:** Offers step-by-step guidance on safely removing and reinstalling the engine.
* **Cylinder Head/Valve:** Covers the intricacies of cylinder head and valve repair and maintenance.
* **Cylinder/Piston:** Provides detailed instructions for cylinder and piston inspection, repair, and replacement.
* **Clutch:** Explains the function of the clutch and guides you through troubleshooting and repairs.
* **Gearshift Linkage:** Covers the proper operation and adjustment of the gearshift linkage.
* **Sub Transmission:** Covers the repair and maintenance of the sub transmission components.
* **Crankcase:** Provides detailed instructions on crankcase inspection, repair, and rebuild.
* **Transmission:** Covers the intricacies of transmission repair and maintenance.
* **Crankshaft/Primary Shaft:** Offers detailed information on crankshaft and primary shaft repair and replacement.
* **Front Wheel/Suspension:** Covers the inspection, adjustment, and repair of the front wheel and suspension system.
* **Rear Wheel/Suspension:** Provides detailed instructions for the maintenance and repair of the rear wheel and suspension.
* **Hydraulic Brake:** Covers the troubleshooting and repair of the hydraulic brake system.
* **Battery/Charging System:** Guides you through the maintenance and repair of the battery and charging system.
* **Ignition System:** Provides detailed information on the operation, troubleshooting, and repair of the ignition system.
* **Electric Starter:** Covers the inspection, repair, and replacement of the electric starter.
* **Switches:** Explains the function and troubleshooting of various switches.
* **Technical Features:** Provides in-depth information on the technical specifications and features of your motorcycle.
* **Troubleshooting:** Offers a comprehensive guide for diagnosing and solving common motorcycle problems.

With this comprehensive service repair manual, you'll have all the information you need to tackle any repair or maintenance job with confidence.