Mercury Marathon/Sea Pro 20/25 HP Operation and maintenance manual [, RUS, 9.5 MB]

This manual is a comprehensive resource for the Mercury Marathon/Sea Pro 20 and 25 HP four-stroke outboard motors. It provides troubleshooting guidance for specific features and functions, making it ideal for both professional mechanics and DIY enthusiasts. The manual covers essential topics including the engine, fuel system, cooling system, and lubrication system. Additionally, it includes parts diagrams, working instructions, safety warnings, and pre-transition warnings to ensure smooth operation and maintenance of the motor.

The models covered in this manual are:

• Mercury Marathon 20HP
• Mercury Marathon 25HP
• Sea Pro 20HP
• Sea Pro 25HP

This manual is indispensable for maintaining and repairing these four-stroke outboard motors. Whether for basic maintenance or repairs, it is a valuable resource for ensuring optimal motor performance.