Yamaha F6AMSH v3 Owner's Manual

Yamaha F6AMSH manual cover
Pages 100
Year 2008
Language(s)
English en

Yamaha F6AMSH Specification

The Yamaha F6AMSH is a portable, reliable, and efficient outboard motor designed for small watercraft. It is equipped with a single-cylinder, four-stroke engine, providing a displacement of 139cc, which enables it to deliver a maximum power output of 6 horsepower. This engine configuration ensures smooth operation and fuel efficiency, making it ideal for leisurely boating and small-scale fishing activities. The motor features a manual start system, providing a simple and dependable ignition process, and is coupled with a manual tilt and trim system, allowing easy adjustment for optimal performance and navigation in shallow waters.

The F6AMSH incorporates a water-cooled cooling system, which effectively maintains the engine's operating temperature, thus enhancing longevity and consistent performance. Its gear shift is positioned on the front of the engine for easy and intuitive operation, with gear ratios optimized for both cruising and low-speed maneuvers. The outboard motor includes a built-in fuel tank with a capacity of 1.1 liters, offering sufficient fuel for short trips, while also having the option to connect an external tank for extended use.

Weighing approximately 27 kilograms, the Yamaha F6AMSH is designed for portability and ease of installation, making it a convenient choice for small boat owners. Its compact design does not compromise on features, including a shallow water drive, anti-corrosion protection, and a 360-degree steering capability, which provides excellent maneuverability. The Yamaha F6AMSH is an environmentally conscious choice, meeting stringent emissions standards while delivering reliable performance for diverse marine applications.

Yamaha F6AMSH F.A.Q.

How do I perform a routine maintenance check on my Yamaha F6AMSH outboard motor?

To perform routine maintenance on your Yamaha F6AMSH, start by checking the oil level and quality, inspecting the fuel system for leaks, and ensuring the propeller is free of damage. Clean the spark plugs and replace them if necessary. Regularly inspect the cooling water intake for blockages and flush the engine with fresh water after use in saltwater.

What should I do if my Yamaha F6AMSH won't start?

If your Yamaha F6AMSH won't start, first check the fuel supply, ensuring the tank has fuel and the fuel line is connected properly. Inspect the spark plug for wear or deposits and replace if needed. Check the battery charge and connections, and ensure the engine's kill switch is in the 'run' position.

How can I troubleshoot overheating issues with my Yamaha F6AMSH?

To troubleshoot overheating issues, check if the water intake is blocked by debris. Ensure the water pump impeller is in good condition and replace it if necessary. Inspect the thermostat and cooling system for any blockages or malfunctions.

What type of oil should I use for my Yamaha F6AMSH engine?

The Yamaha F6AMSH typically requires 10W-30 or 10W-40 4-stroke marine engine oil. Always refer to your owner's manual for the manufacturer's recommendations and ensure the oil is NMMA-certified for marine engines.

How do I winterize my Yamaha F6AMSH outboard motor?

To winterize your Yamaha F6AMSH, start by flushing the engine with fresh water. Drain the fuel system or add a fuel stabilizer, and run the engine to circulate it. Change the engine oil and gear oil, fog the cylinders with a fogging oil, and remove the battery for storage in a cool, dry place.

What is the break-in procedure for a new Yamaha F6AMSH?

During the first 10 hours, avoid running the engine at full throttle for extended periods. Vary the engine speed every 15 minutes and avoid prolonged idling. After the break-in period, change the engine oil and gear oil to remove any debris from manufacturing.

How can I improve fuel efficiency on my Yamaha F6AMSH?

To improve fuel efficiency, ensure your propeller is the correct size and pitch for your boat and load. Maintain the engine regularly, checking and replacing spark plugs and cleaning the carburetor. Avoid excessive idling and trim the motor properly during operation.

What is the recommended spark plug for the Yamaha F6AMSH?

The recommended spark plug for the Yamaha F6AMSH is NGK B7HS-10. Always check your owner's manual for any updates or changes to the recommended spark plug type.

How do I replace the impeller on my Yamaha F6AMSH?

To replace the impeller, first remove the lower unit of the outboard. Locate the water pump housing, and remove the old impeller. Install the new impeller, ensuring it is properly seated and reassemble the water pump housing and lower unit.

What should I do if there is excessive vibration in my Yamaha F6AMSH?

If you experience excessive vibration, check the propeller for damage or imbalance. Inspect the engine mounts for wear or looseness and ensure the propeller shaft is straight. If vibration persists, consult a professional technician.