Yamaha F25SMHA v10 Owner's Manual 2017

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Year 2017

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Yamaha F25SMHA v10 2017 Specification

The Yamaha F25SMHA v10 2017 is a compact and efficient outboard motor designed for small to medium-sized boats, offering a blend of power, reliability, and portability. At its core, the engine features a two-cylinder, four-stroke configuration with a displacement of 432cc, delivering a maximum output of 25 horsepower. This model is engineered with Yamaha's advanced technology to ensure smooth and quiet operation, making it ideal for both leisure and fishing activities.

The F25SMHA is equipped with a manual start system, ensuring straightforward operation while maintaining reliability in various conditions. It employs a tiller handle for intuitive steering and throttle control, which enhances maneuverability and user experience. This outboard motor is designed with a compact and lightweight structure, weighing approximately 57 kilograms, which facilitates easy transportation and installation on compatible vessels.

Yamaha has incorporated a high-output alternator in the F25SMHA to provide ample electrical power for onboard electronics and battery charging, ensuring that all essential systems remain functional during extended trips. The motor's fuel efficiency is enhanced by Yamaha's innovative combustion technologies, allowing for extended range and reduced operating costs.

Additionally, the F25SMHA is built with durability in mind, featuring a robust construction and anti-corrosion measures to withstand harsh marine environments. The motor's maintenance is simplified by the use of easily accessible service points and a freshwater flushing system that aids in the removal of salt and debris.

Overall, the Yamaha F25SMHA v10 2017 represents a reliable and versatile choice for boaters seeking a balance of performance and economy in a lightweight package, backed by Yamaha's reputation for quality and innovation in marine engineering.

Yamaha F25SMHA v10 2017 F.A.Q.

What type of fuel is recommended for the Yamaha F25SMHA?

The Yamaha F25SMHA outboard motor is designed to run on regular unleaded gasoline with a minimum octane rating of 87.

How often should I change the engine oil in my Yamaha F25SMHA?

It is recommended to change the engine oil every 100 hours of operation or once a year, whichever comes first.

What is the proper procedure for winterizing the Yamaha F25SMHA?

To winterize the Yamaha F25SMHA, drain the fuel system, change the engine oil, flush the cooling system with fresh water, and treat the engine with fogging oil.

How can I troubleshoot if the Yamaha F25SMHA won't start?

Check the fuel level, ensure the fuel line is connected, inspect the spark plugs, and verify that the battery is charged.

What maintenance should be performed on the propeller?

Regularly inspect the propeller for damage or debris, ensure it is securely fastened, and lubricate the propeller shaft as needed.

How do I adjust the idle speed on the Yamaha F25SMHA?

To adjust the idle speed, locate the idle speed adjustment screw on the carburetor and turn it slowly until the desired RPM is achieved.

What is the recommended spark plug for the Yamaha F25SMHA?

Yamaha recommends using NGK DR6HS or equivalent spark plugs for the F25SMHA model.

How can I check the water pump impeller condition?

Remove the lower unit to access the water pump housing, then inspect the impeller for wear or damage. Replace if necessary.

What is the function of the trim and tilt system on the Yamaha F25SMHA?

The trim and tilt system adjusts the angle of the motor to improve performance and fuel efficiency while reducing drag.

How do I perform a compression test on the Yamaha F25SMHA?

Remove all spark plugs, attach a compression gauge to each cylinder, and crank the engine to measure compression levels. Compare with manufacturer's specifications.