The JLO LR-399 (2F-400-1) Engine Workshop Repair Service Manual is a comprehensive and detailed guide for servicing and repairing your JLO LR-399 (2F-400-1) engine. This manual, created by the manufacturer, provides step-by-step instructions for a wide range of procedures, covering everything from basic maintenance to complex repairs. It features detailed illustrations, diagrams and photographs to guide you through each step, ensuring clarity and accuracy. You'll find information on engine fundamentals and operating instructions, carburetors and spark plugs, the ignition system, exhaust system, disassembly and assembly procedures, engine and recoil, timing instructions, wiring diagrams, troubleshooting tips, service item and gasket sets, dimensional data, and warranty information. The manual includes numbered instructions, notes, cautions, and warnings to highlight important information and ensure safe and effective repairs. Enlarged insets allow you to examine parts in detail. With clear, concise language and an easy-to-use table of contents, finding the information you need is quick and effortless. This manual makes diagnosing and repairing electrical system problems simple by combining troubleshooting and electrical service procedures with detailed wiring diagrams.

The JLO LR-399 (2F-400-1) is a 2-stroke engine, a testament to the legacy of JLO, a renowned German manufacturer known for its expertise in small engines. Designed for a wide range of applications, this engine found its footing in everything from go-karts and motorcycles to scooters and lawnmowers, demonstrating its versatility and reliability. The LR-399 model stands out for its robust construction and the distinct ‘2F-400-1' designation, which likely refers to its specific design features. This engine, powered by a 2-stroke combustion cycle, operates on a mixture of fuel and oil, delivering substantial power in a compact and lightweight package. Its air-cooled design ensures efficient operation, making it suitable for various demanding applications. The JLO LR-399 (2F-400-1) engine is renowned for its durability and ease of maintenance. Its robust construction, featuring high-quality materials and precise manufacturing, ensures a long lifespan, even under heavy usage. The inclusion of a workshop service repair manual further underscores the engine's strong reputation for repairability and user-friendliness. This manual serves as a comprehensive guide for mechanics and enthusiasts alike, providing detailed instructions on everything from routine maintenance to complex repairs, ensuring that the engine can be kept in top condition for years to come. Whether it's a go-kart racer seeking optimal performance or a homeowner tackling a lawnmower repair, the JLO LR-399 (2F-400-1) engine offers a reliable and user-friendly solution, backed by the comprehensive support of its service manual.