This comprehensive workshop service manual provides detailed instructions and specifications for the repair and overhaul of Mercury Mariner 25 BigFoot 4 Stroke outboard motors manufactured from 1998 to 2008. This manual is an essential resource for mechanics, technicians, and DIY enthusiasts seeking to maintain and repair these popular outboards. The manual covers a wide range of topics, including engine disassembly and assembly, troubleshooting, electrical systems, fuel systems, lubrication systems, cooling systems, and more. It includes detailed diagrams, illustrations, and step-by-step instructions to guide users through every repair procedure. Whether you're a seasoned professional or a novice mechanic, this manual will equip you with the knowledge and tools needed to confidently tackle any repair job on your Mercury Mariner 25 BigFoot 4 Stroke outboard.

The Mercury Mariner 25 BigFoot 4-stroke outboard motor, produced from 1998 to 2008, is a reliable and popular choice for smaller boats. This compact and lightweight engine offers a balanced blend of power and fuel efficiency, making it ideal for a range of boating activities, including fishing, leisure cruising, and dinghy use. The 25hp output provides ample power for maneuvering and cruising, while the 4-stroke design ensures smooth operation and reduced noise and emissions compared to older 2-stroke models. The "BigFoot" designation refers to the engine's larger, more robust mounting system, allowing for a more stable and secure installation on the transom of your boat.

The Mariner 25 BigFoot is known for its simplicity and ease of maintenance. Its robust design and relatively straightforward internal components make it a good option for both experienced boat owners and those new to outboard motors. The engine's electric start system simplifies the starting process, while its integrated fuel tank and fuel lines reduce the need for external components and potential leaks. Over the years, this engine has earned a strong reputation for its durability and dependable performance, making it a popular choice for boaters seeking a reliable and easy-to-use power source for their marine adventures. Whether you're venturing out on a leisurely fishing trip or exploring the waters with your family, the Mercury Mariner 25 BigFoot 4-stroke is a reliable and versatile option that will provide you with years of reliable service.