Yamaha FL115AETX v3 Owner's Manual

Yamaha FL115AETX manual cover
Pages 128
Year 2021
Language(s)
English en

Yamaha FL115AETX Specification

The Yamaha FL115AETX is an advanced outboard engine designed to deliver optimal performance and reliability for marine applications. It features a 1.8-liter, four-stroke, in-line four-cylinder configuration that ensures smooth and efficient power delivery. This engine boasts a maximum output of 115 horsepower, making it suitable for a variety of mid-sized watercraft. The FL115AETX is equipped with a sophisticated electronic fuel injection system that enhances fuel efficiency and throttle response, optimizing performance across diverse operating conditions.

This model incorporates Yamaha's innovative Shift Dampener System (SDS) to minimize noise and vibration during operation, providing a quieter and more comfortable boating experience. The engine's design emphasizes durability and ease of maintenance, with a protective anti-corrosion paint system and stainless steel components that withstand harsh marine environments. The FL115AETX includes a 20-inch shaft length, making it adaptable to various hull designs.

A key feature of this engine is its compatibility with Yamaha's Digital Network Gauges, allowing users to monitor critical engine data in real-time for enhanced control and safety. The FL115AETX also supports Yamaha's Variable Trolling RPM Switch (VTS), which enables precise speed adjustments for activities like fishing. Weighing in at approximately 377 pounds, this outboard balances power with manageable weight, contributing to better overall boat handling.

Overall, the Yamaha FL115AETX exemplifies a blend of power, efficiency, and advanced technology, making it a compelling choice for boaters seeking a reliable and versatile outboard engine. Its design and features cater to both recreational and professional users, ensuring a satisfying on-water experience.

Yamaha FL115AETX F.A.Q.

How do I perform an oil change on the Yamaha FL115AETX outboard motor?

To perform an oil change on the Yamaha FL115AETX, first warm up the engine, then turn off and remove the key. Place an oil pan under the drain plug, remove the plug, and allow the oil to drain completely. Replace the drain plug and refill with the recommended oil, checking the level with the dipstick.

What is the recommended maintenance schedule for the Yamaha FL115AETX?

The recommended maintenance schedule for the Yamaha FL115AETX includes regular checks and services such as changing the engine oil and oil filter every 100 hours or annually, inspecting the propeller, and checking the fuel system for leaks. Consult the owner's manual for a detailed schedule.

How can I troubleshoot starting issues with my Yamaha FL115AETX?

If the Yamaha FL115AETX is having starting issues, check the battery connections and charge, inspect the spark plugs for wear or damage, ensure the fuel is fresh, and verify that the fuel line is not clogged. If the problem persists, consult a professional technician.

What type of fuel is recommended for the Yamaha FL115AETX?

The Yamaha FL115AETX is designed to run on regular unleaded gasoline with a minimum octane rating of 87. Avoid fuel with more than 10% ethanol to prevent potential engine damage.

How do I winterize my Yamaha FL115AETX outboard motor?

To winterize the Yamaha FL115AETX, start by flushing the engine with fresh water, then stabilize the fuel and run the engine to circulate the stabilizer. Change the oil and oil filter, drain the fuel from the carburetor, and apply fogging oil to the cylinders. Store the outboard in an upright position.

What should I do if my Yamaha FL115AETX overheats?

If the Yamaha FL115AETX overheats, stop the engine immediately. Check the water intake for blockages, ensure the water pump impeller is functioning, and verify the coolant levels. Allow the engine to cool before attempting further troubleshooting or restarting.

How often should I replace the water pump impeller on my Yamaha FL115AETX?

It is recommended to inspect and replace the water pump impeller on the Yamaha FL115AETX every 200 hours of operation or once every two years to ensure optimal cooling system performance.

Can I use synthetic oil in my Yamaha FL115AETX?

Yes, synthetic oil can be used in the Yamaha FL115AETX. Ensure that the oil meets or exceeds the specifications outlined in the owner's manual, such as the appropriate viscosity and certification standards.

How do I check the propeller for damage on my Yamaha FL115AETX?

To check the propeller for damage, remove it from the Yamaha FL115AETX and inspect for cracks, bends, or missing pieces. Also, check for fishing line or debris wrapped around the shaft. Replace or repair the propeller if any damage is found.

What are the break-in procedures for a new Yamaha FL115AETX outboard motor?

For the Yamaha FL115AETX, follow a break-in procedure of varying throttle settings: keep the throttle under 2000 RPM for the first hour, between 3000 and 4000 RPM for the next hour, and then at full throttle intervals for the following eight hours. Avoid continuous operation at full throttle.