The Volvo Penta 230 is an internal combustion engine designed for marine applications. Known for its robust engineering and reliability, this engine model is built to deliver consistent performance in demanding aquatic environments. Its design prioritizes durability and efficiency, making it a trusted choice for various marine power needs. This service repair manual provides comprehensive guidance for maintaining and repairing the Volvo Penta 230. It covers essential areas including general maintenance, periodic lubrication, engine and transmission service, and detailed repair procedures for critical systems such as brakes, electrical, cooling, fuel injection, and emissions. The manual also includes troubleshooting information and wiring diagrams, serving as an indispensable resource for owners and technicians to ensure optimal performance and longevity of the engine.