Subaru SX17 Parts Manual

The Subaru SX17 engine is a robust and efficient power unit designed for various applications, such as small vehicles and machinery. It features a single-cylinder, air-cooled, 4-stroke overhead valve (OHV) configuration, which contributes to its compact design and reliable performance. With a displacement of 169 cc, the engine delivers a maximum output of approximately 4.5 horsepower at 3600 RPM, making it suitable for tasks that demand consistent power delivery.

The engine's bore and stroke dimensions are optimized at 67 mm and 48.6 mm, respectively, to ensure an ideal balance between power and efficiency. The compression ratio is set at 8.5:1, enhancing fuel combustion efficiency and reducing emissions. Fuel is delivered through a precision carburetor system, ensuring optimal air-fuel mixture for various operating conditions. The SX17 is equipped with a recoil starter, offering a reliable and straightforward ignition method, and features a transistorized magneto ignition system for dependable spark generation.

The lubrication is managed via a splash system, which ensures that all moving parts are adequately lubricated, reducing wear and prolonging engine life. The engine's cooling is facilitated by an efficient air-cooling system, which maintains optimal operating temperatures even under demanding conditions. Measuring approximately 305 mm in length, 365 mm in width, and 335 mm in height, the Subaru SX17 engine is compact and lightweight at around 15 kg, allowing for easy installation and integration into various equipment. The engine complies with stringent emission standards, reflecting Subaru's commitment to environmental responsibility and sustainability. Overall, the Subaru SX17 engine combines durability, efficiency, and reliability, making it a versatile choice for a wide range of applications.