Yamaha F115AETX Owner's Manual

Yamaha F115AETX manual cover
Pages 114
Year 2014
Language(s)
English en

Yamaha F115AETX Specification

The Yamaha F115AETX is a reliable and efficient outboard motor designed for versatility and performance in various marine applications. This four-stroke engine boasts a 1.8-liter displacement, providing ample power and smooth operation. The F115AETX features an in-line four-cylinder configuration, optimizing balance and reducing vibration for a comfortable boating experience. It is equipped with a double overhead camshaft (DOHC) design, which enhances valve timing precision and combustion efficiency, resulting in improved fuel economy and lower emissions.

The engine incorporates Yamaha's advanced fuel injection system, ensuring quick starts, responsive acceleration, and consistent performance across a range of conditions. With a maximum output of 115 horsepower, the F115AETX is ideal for mid-sized boats, offering a perfect blend of power and efficiency. It has a large alternator generating 35 amps, providing ample electrical power for onboard electronics and accessories.

Yamaha has integrated corrosion-resistant technologies, including a freshwater flush system and a specially formulated anti-corrosive paint, to enhance the engine's durability and longevity. The F115AETX is equipped with Yamaha's multi-function tiller handle, which offers an ergonomic design, convenient controls, and easy maneuverability. Additionally, the engine features variable trolling RPM settings, allowing for precise speed adjustments during fishing or slow cruising.

This model is compatible with Yamaha's digital network gauges, offering real-time data and diagnostics to monitor engine performance and maintenance needs effectively. With a sleek design and practical innovations, the Yamaha F115AETX stands out as a reliable choice for boaters seeking a high-performance, fuel-efficient, and durable outboard motor that meets the demands of recreational and commercial use alike.

Yamaha F115AETX F.A.Q.

What is the recommended oil type for the Yamaha F115AETX?

The recommended oil type for the Yamaha F115AETX is Yamalube 4M 10W-30 or 20W-40 for optimal performance and protection.

How do I perform a basic maintenance check on the Yamaha F115AETX?

To perform a basic maintenance check, inspect the oil level, check the propeller for damage, inspect fuel lines for leaks, and ensure the cooling system is functioning properly.

What is the procedure for winterizing the Yamaha F115AETX?

To winterize, flush the engine with fresh water, treat the fuel with stabilizer, change the engine oil, and store the engine in a dry place.

How can I troubleshoot starting issues with the Yamaha F115AETX?

Check the battery connections, ensure there is fresh fuel, inspect the spark plugs for wear, and verify the engine kill switch is not engaged.

What is the correct propeller size for the Yamaha F115AETX?

The correct propeller size can vary based on usage, but a common size for the F115AETX is a 13 1/4 x 17 pitch propeller. Consult your manual for specifics.

How often should I replace the water pump impeller on the Yamaha F115AETX?

The water pump impeller should be inspected annually and replaced every 2-3 years, depending on usage and conditions.

Can I use ethanol-blended fuel in the Yamaha F115AETX?

Yes, ethanol-blended fuels up to 10% (E10) can be used, but avoid higher ethanol content fuels as they can cause damage.

How do I check the oil level on the Yamaha F115AETX?

To check the oil level, tilt the engine to an upright position, remove the oil dipstick, wipe it clean, reinsert it without threading, and then remove it again to check the level.

What is the break-in procedure for a new Yamaha F115AETX engine?

For the first 10 hours, operate the engine at varying speeds below 4000 RPM, avoid full throttle, and do not run at a constant speed for extended periods.

How can I improve fuel efficiency on the Yamaha F115AETX?

Maintain regular service intervals, ensure the propeller is undamaged and correctly sized, and avoid overloading the boat to improve fuel efficiency.