
Yamaha 1999 F25MHX/EHX/ERX/TRX Parts Catalogue
Description
Product Reviews
Q&A
Outboard motors are known for their reliable design, simple construction, and ease of repair, making them ideal for maintenance and repair at home. Whether you are a professional mechanic or a DIY enthusiast, routine maintenance is essential to ensure many years of reliable use from your outboard motor.
After using the motor, it is important to flush it with clean water, regardless of whether it has been used in salt water or inland lakes and rivers. Following this, disconnect the fuel lines to deplete any residual fuel in the carburetor and fuel lines. Opening the engine cowling to check for leaks or other issues is also recommended.
Scheduled maintenance, occurring approximately every 300 hours or every three years, should include changing the oil, inspecting the propeller, power trim, power lift system, spark plugs, and fuel filter. A quality service manual specific to your outboard motor will be invaluable during routine maintenance.
Performing routine maintenance at home is cost-effective, prolongs the motor's life, and enhances your understanding of its components. Additionally, having access to quality service manuals and parts catalogues makes repairs easier when they are needed.
Even with diligent routine maintenance, periodic repairs may be necessary. Having a good parts catalogue on hand will be essential for any repairs. This 61-page manual is available in PDF format, allowing you to print only the necessary sections. The contents cover various components including cylinder, crankcase, crankshaft, piston, valve, intake, carburetor, oil pump, oil pan, starter motor, fuel, fuel tank, cowling, bracket, power trim tilt assembly, steering, remote control attachment, control, steering guide attachment, remote control box, upper casing, lower casing, drive, generator, electrical, and repair kits.