Yamaha F6MSH Owner's Manual

Yamaha F6MSH manual cover
Pages 90
Year 2007
Language(s)
English en

Yamaha F6MSH Specification

The Yamaha F6MSH is a compact and portable outboard motor engineered for reliable performance and ease of use, making it ideal for small boats and tenders. It operates with a single-cylinder, four-stroke engine, featuring a displacement of 139cc, which provides a harmonious balance of power and fuel efficiency. The motor delivers a maximum output of 6 horsepower, ensuring smooth and responsive handling while maintaining low emissions and noise levels in compliance with strict environmental regulations.

The design incorporates a manual start system, offering straightforward ignition with a decompression device that facilitates effortless starting. The engine features a shallow water drive system, making it versatile for navigating in various water conditions, and an integrated fuel tank with a 1.1-liter capacity, which can be supplemented with an external fuel tank for extended range.

Weighing approximately 27 kilograms, the F6MSH is crafted for easy portability and installation, complemented by a carry handle and a compact, ergonomic design. The motor includes a 360-degree steering angle, providing exceptional maneuverability and control. Additionally, the tiller handle is equipped with a twist-grip throttle and a forward-neutral-reverse gear system for intuitive operation. Yamaha’s anti-corrosion protection is applied throughout the motor to enhance durability and longevity.

The F6MSH prioritizes user-friendly maintenance with its easily accessible components and a built-in freshwater flushing device that simplifies post-use cleaning. Overall, the Yamaha F6MSH is a robust and efficient outboard motor, offering a blend of power, portability, and user-oriented features, suitable for a range of marine applications.

Yamaha F6MSH F.A.Q.

How do I properly start the Yamaha F6MSH outboard motor?

To start the Yamaha F6MSH, ensure the fuel tank is filled and the fuel line is connected. Set the choke to the 'start' position, engage the neutral gear, and then pull the starter cord briskly. Once the engine is running, gradually return the choke to the 'run' position.

What should I do if the Yamaha F6MSH won't start?

If the F6MSH won't start, check the fuel level and ensure the fuel line is not kinked. Verify the spark plug is clean and connected. Also, inspect the air filter for blockages and ensure the engine is not flooded.

How often should I perform maintenance on my Yamaha F6MSH?

Perform maintenance every 100 hours or annually, whichever comes first. This includes checking the spark plug, changing the oil, and inspecting the propeller and fuel system.

What type of oil should I use for the Yamaha F6MSH?

Use a high-quality 4-stroke marine engine oil with an SAE 10W-30 or 10W-40 viscosity rating. Always refer to the owner’s manual for specific recommendations.

How do I flush the cooling system on a Yamaha F6MSH?

Attach a flushing device to the water intake, connect a garden hose, and run fresh water through the system for about 10 minutes. Ensure the engine is off during this process.

What is the correct procedure for storing the Yamaha F6MSH long-term?

For long-term storage, drain the fuel system, perform an oil change, and remove the spark plug to add a few drops of oil into the cylinder. Rotate the engine manually to distribute the oil, then replace the spark plug. Store the motor in an upright position in a dry place.

How can I troubleshoot overheating issues in my Yamaha F6MSH?

Check the water intake for blockages and ensure the water pump impeller is functioning properly. Inspect the thermostat for any faults and replace it if necessary.

What steps should I take if my Yamaha F6MSH has a rough idle?

Inspect and clean the carburetor, replace the spark plug if it's worn, and check for air leaks in the intake manifold. Adjust the idle speed screw if needed.

How do I replace the propeller on a Yamaha F6MSH?

Remove the cotter pin and unscrew the propeller nut. Slide off the old propeller and replace it with the new one. Reattach the nut and secure it with a new cotter pin.

What should I do if my Yamaha F6MSH vibrates excessively?

Check for a damaged or unbalanced propeller, inspect the engine mounts for wear, and ensure that the motor is securely mounted on the transom.