This comprehensive service and repair manual provides detailed information for maintaining and troubleshooting your Mercury Mariner 65 and 80 HP Jet outboard engines. It covers all models, offering in-depth technical guidance on a wide range of topics, including:

* **Engine Disassembly and Assembly:** Step-by-step instructions for taking apart and putting back together your outboard engine, with clear diagrams and illustrations.
* **Component Repair and Replacement:** Learn how to repair or replace various engine components, such as the carburetor, ignition system, and cooling system.
* **Troubleshooting and Diagnostics:** This manual equips you with the knowledge to identify and address a wide range of engine problems, saving you time and money on repairs.
* **Electrical System:** Detailed information on the electrical system, including wiring diagrams, troubleshooting tips, and repair procedures.
* **Jet Drive System:** Comprehensive coverage of the jet drive system, including maintenance, repair, and troubleshooting techniques.
* **Specifications and Adjustments:** Find essential engine specifications, adjustment procedures, and torque values for all components.

With this manual, you will have the resources necessary to keep your Mercury Mariner outboard running reliably and efficiently.

The Mercury Mariner 65 80 HP Jet is a powerful and versatile outboard engine designed for recreational boating, offering a unique combination of speed, maneuverability, and shallow-water performance. Built with a 65 cubic inch displacement, the engine produces a respectable 80 horsepower, delivering impressive acceleration and top speed capabilities. This jet-powered system, unlike traditional propeller-driven outboards, utilizes a pump that draws in water and propels it out the rear, eliminating the need for a propeller and providing a shallow-water advantage. This allows the Mariner 65 80 HP Jet to navigate in waters as shallow as 12 inches, opening up new possibilities for exploration and fishing in areas inaccessible to traditional outboards. Its compact size and lightweight design make it ideal for smaller boats, while its dependable performance and durable construction ensure years of reliable service.

Beyond its performance and versatility, the Mercury Mariner 65 80 HP Jet boasts a number of features designed for user convenience and ease of operation. The engine features an intuitive control system, making it easy to adjust throttle and steering. Its smooth acceleration and responsive handling offer a comfortable and enjoyable boating experience. The engine is also equipped with a comprehensive warning system, providing real-time feedback on vital functions and alerting the operator to potential issues. This ensures a safe and reliable boating experience for both novice and seasoned boaters alike. The Mercury Mariner 65 80 HP Jet is a testament to Mercury's commitment to innovation and quality, delivering a well-rounded package that combines power, performance, and reliability for a truly immersive boating experience.