This comprehensive service repair manual provides detailed instructions for maintaining and repairing Mercury Mercruiser Marine Engines D1.7L DTI models with serial numbers OM055001 and above. The manual covers a wide range of topics, including: * **General Information:** This section outlines essential information about your engine, including safety precautions, operating procedures, and maintenance schedules. * **Maintenance:** Learn how to perform routine maintenance tasks, such as oil changes, filter replacements, and tune-ups, to keep your engine running smoothly. * **Troubleshooting:** This section provides step-by-step guides for diagnosing and resolving common engine problems, helping you identify the root cause and ensure effective repairs. * **Removal and Installation:** The manual details the procedures for removing and installing the MCM (Sterndrive) unit, ensuring a safe and efficient repair process. * **Engine:** This section dives into the mechanical aspects of the D1.7L DTI engine, providing comprehensive information on its components and operation. * **Electrical System:** Gain a thorough understanding of your engine's electrical system, including the starting, charging, and glow plug systems. Additionally, the manual includes detailed wiring diagrams to simplify troubleshooting and repairs. * **Fuel System:** This section covers the fuel filter, injectors, and injection pump, providing insights into their operation and maintenance. * **Cooling System:** Learn about the closed cooling system and its components, enabling you to ensure proper cooling and prevent overheating. * **Intake and Exhaust System:** The manual includes details on the intercooler, exhaust system, and turbocharger, providing guidance for their maintenance and repair. * **Power Steering System:** This section provides in-depth information on the power steering system, ensuring optimal steering performance. This manual is your complete resource for maintaining and repairing your Mercury Mercruiser Marine Engines D1.7L DTI. With its clear instructions, comprehensive coverage, and detailed diagrams, it empowers you to handle any maintenance or repair task with confidence.

The Mercury Mercruiser D1.7L DTI is a compact and powerful gasoline engine designed specifically for marine applications. Its DTI (Direct Throttle Injection) technology ensures precise fuel delivery for optimal performance and fuel efficiency. The D1.7L DTI engine is renowned for its smooth operation, reliable performance, and low emissions. This engine is known for being easy to maintain and service due to its straightforward design and readily available parts. The D1.7L DTI engine is a popular choice for boaters looking for a responsive and economical engine that delivers a reliable and enjoyable boating experience. The Mercury Mercruiser D1.7L DTI engine boasts a displacement of 1.7 liters and features a four-cylinder, in-line configuration. It is equipped with a fuel-injected system that utilizes a closed-loop electronic control unit (ECU) for precise fuel-air mixture management. This technology ensures optimal engine performance, fuel efficiency, and low emissions. The D1.7L DTI engine is paired with a robust marine gearbox, offering smooth shifting and reliable operation under various load conditions. The engine is designed to withstand the harsh marine environment, with corrosion-resistant materials and coatings protecting critical components. This durable design ensures long-lasting performance and minimal maintenance requirements.