This workshop repair service manual covers the JLO L-230 (IF-250-1) engine. While production years are not specified, this internal combustion engine is designed for reliable operation. The manual provides comprehensive details on engine fundamentals, components, and systems, including carburetor, spark plug, ignition, and exhaust. It also details disassembly, assembly, and maintenance procedures for components like the recoil starter. This extensive English-language manual is designed for professional technicians and DIY mechanics. It offers detailed, step-by-step repair procedures, troubleshooting guidance, and critical specifications, all supported by included illustrations, diagrams, and enlarged insets. The manual also covers electrical system diagnostics and service procedures, warranty information, and operating instructions, aiming to help users maintain and repair their JLO L-230 (IF-250-1) engine efficiently and cost-effectively.