This comprehensive Generac GTH760/990, GTV760/990 OHVI V-Twin Engine Workshop Service Repair Manual provides detailed instructions and diagrams for servicing and repairing your Generac engine. This manual is essential for any DIY enthusiast looking to save money on service and maintenance costs.

The manual covers a wide range of topics, including:

* **Safety Rules:** Essential guidelines for safe operation and maintenance.
* **Engine Theory:** A foundational understanding of 4-cycle engine principles.
* **General Information:** Overview of engine components and systems.
* **Ignition System:** Detailed information on the ignition system and troubleshooting.
* **Carburetion & Fuel System:** Comprehensive coverage of the carburetor, fuel delivery, and related components.
* **Governor Controls & Governor:** Understanding the governor system, its operation, and adjustments.
* **Cylinder Head & Valves:** Inspection, maintenance, and repair of the cylinder head and valves.
* **Electric Starter:** Troubleshooting and repair procedures for the electric starter.
* **Alternators:** Information on the alternator system and its operation.
* **Lubrication System:** Understanding the engine's lubrication system and proper maintenance practices.
* **Engine Disassembly:** Step-by-step instructions for disassembling the engine.
* **Cylinder & Crankcase Cover:** Detailed instructions for inspecting and repairing these components.
* **Crankshaft & Camshaft:** Extensive coverage of the crankshaft and camshaft, including inspection, repair, and assembly.
* **Piston, Rings, & Connecting Rod:** Comprehensive information on inspecting, assembling, and replacing these components.
* **Engine Assembly:** Detailed step-by-step instructions for reassembling the engine.
* **Specifications:** Essential technical specifications and tolerances for the engine.

This manual is an invaluable resource for anyone wanting to confidently maintain and repair their Generac GTH760/990, GTV760/990 OHVI V-Twin engine.

The Generac GTH760/990 and GTV760/990 are powerful OHVI V-twin engines designed for demanding applications. These engines are known for their robust construction and reliable performance, making them ideal for a wide range of equipment, including generators, power washers, and construction machinery. The Generac GTH760/990 and GTV760/990 boast a displacement of 22.4 cubic inches, delivering ample power for heavy-duty tasks. Their V-twin design contributes to smooth operation and reduced vibration, enhancing user experience and equipment longevity. The OHVI (Overhead Valve, Inverted) configuration provides superior valve train efficiency, resulting in improved performance and fuel economy.

The Generac GTH760/990 and GTV760/990 are equipped with an advanced ignition system and a robust cooling system, ensuring reliable operation under various conditions. The engines come with various features depending on the model, including electric start capabilities, manual choke, and multiple mounting options. The Generac GTH760/990 and GTV760/990 are designed for durability and ease of maintenance. Their robust construction and accessible components minimize downtime and maintenance costs. With regular servicing and proper care, these engines can provide years of reliable performance, fulfilling the demands of even the most challenging applications. The Generac GTH760/990 and GTV760/990 are a testament to Generac's commitment to developing high-quality, reliable power solutions for diverse industries.