This manual covers Harley-Davidson Big Twin motorcycles equipped with S&S Super Stock and Super Sidewinder V-Twin engines. These high-performance engines, known for their significant horsepower and torque gains, have been in production for decades and are found in various Big Twin platforms from the late 1970s to present day. The engines feature V-Twin configurations with displacements ranging from 80 cubic inches up to 131 cubic inches, commonly utilizing S&S carburetors such as the Super E, G, or L series. This manual is tailored for owners and mechanics who specialize in these powerful aftermarket and performance-oriented S&S engines, offering in-depth technical details for both routine maintenance and major overhauls.

The purpose of this comprehensive service and repair manual is to provide detailed guidance for the maintenance, troubleshooting, and repair of S&S Super Stock and Super Sidewinder engines. It covers a wide array of engine systems, including internal components, carburetion, ignition, and the oiling system. Specific procedures detailed within include engine disassembly and assembly, carburetor tuning, ignition timing adjustments, and component replacement. The manual is designed to assist experienced mechanics and advanced DIY enthusiasts by providing precise torque specifications, clearance measurements, diagnostic procedures, and troubleshooting guides for common issues, ensuring optimal performance and longevity of the engine.