This comprehensive service and repair manual is your essential guide to maintaining and repairing your Yamaha F2.5C 2005 outboard motor. It provides detailed instructions and diagrams for a wide range of procedures, ensuring you have all the information you need to handle any task with confidence.

The manual begins with general information, including safety precautions, proper working practices, parts identification, and a thorough explanation of the F2.5C's features and benefits. You'll learn about its ignition system, blowby gas reburning system, oil check window, idle silencer, splash lubrication system, and other key components.

A dedicated section covers pre-delivery checks, helping you ensure your engine is running smoothly from the start. This includes steps for checking the fuel system, gear oil, engine oil, outboard motor mounting height, steering system, gear shift and throttle operation, engine stop lanyard switch, and a thorough test run and break-in procedure.

The manual also provides detailed specifications for your F2.5C, including general specifications, maintenance specifications, power unit dimensions, electrical dimensions, tightening torques, and specified torques.

A comprehensive section on periodic checks and adjustments will guide you through routine maintenance tasks, including fuel system checks, engine oil changes, valve clearance adjustments, spark plug checks, thermostat checks, cooling water passage checks, engine idle speed adjustments, ignition timing checks, and TCI unit air gap checks. You'll also find instructions for maintaining the lower unit, including gear oil level checks, gear oil changes, air leakage checks, and propeller inspections.

The manual delves deeper into specific components, providing detailed instructions for disassembly, inspection, repair, and reassembly. These sections cover the fuel system, power unit, lower unit, and electrical systems. The power unit section, for example, includes instructions for removing and inspecting the cylinder head, cylinder block, and crankcase. The lower unit section covers the removal and inspection of the water pump, shift rod, propeller shaft housing, drive shaft, and lower case. The electrical systems section provides detailed information on checking the ignition spark gap, spark plug cap, TCI unit, and engine stop lanyard switch.

Finally, the manual includes a troubleshooting section for the power unit, aiding you in diagnosing and resolving common issues. This manual is your one-stop resource for keeping your Yamaha F2.5C 2005 outboard motor in top condition.

The Yamaha F2.5C outboard motor, produced in 2005, is a compact and lightweight engine designed for small boats and dinghies. This four-stroke, air-cooled motor is known for its reliability, ease of use, and fuel efficiency, making it ideal for leisurely fishing trips, recreational boating, and even tender operations. With a displacement of 99 cc and a single cylinder, the F2.5C delivers a maximum output of 2.5 horsepower, providing enough power for comfortable operation in calm waters. Its lightweight design, weighing in at just 21.2 kg (46.7 lbs), makes it easy to transport and handle, while its compact size allows for flexible installation on various boat types. The F2.5C is equipped with a tiller-style steering system and a manual start mechanism, offering a simple and intuitive operation for both experienced and novice boaters.

The Yamaha F2.5C features several noteworthy details that enhance its performance and user-friendliness. Its air-cooled design eliminates the need for a bulky and complex cooling system, further reducing weight and maintenance requirements. The engine employs a durable and efficient CDI ignition system for reliable starting and consistent operation. Additionally, the F2.5C is equipped with a built-in fuel tank, eliminating the need for external fuel lines and simplifying refueling. This model also boasts a low-profile design with a streamlined propeller, minimizing drag and maximizing fuel efficiency. The combination of these features makes the Yamaha F2.5C a dependable and economical choice for small boat owners seeking a reliable and convenient outboard motor for a range of recreational activities.