This document pertains to the Volvo Penta 230 series, a line of inboard marine engines. While specific production years are not identified, this manual covers the comprehensive service and repair requirements for this model range. The Volvo Penta 230 series is engineered for reliable marine propulsion, offering robust performance for various boating applications. Its design prioritizes durability and efficiency, making it a dependable choice for marine enthusiasts and professionals alike. This Workshop Service Manual provides essential information for maintaining and repairing your Volvo Penta 230 series engine. It includes detailed periodic maintenance charts, step-by-step repair instructions, troubleshooting guidance, and overhaul procedures. Wiring diagrams are also supplied for electrical system diagnostics. Designed for both professional technicians and DIY mechanics, this manual in English offers the necessary technical specifications and procedures to ensure your engine operates at peak performance and longevity.