Yamaha 115TXRC Owner's Manual

Pages 128

Year 2004

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of 128

Yamaha 115TXRC Specification

The Yamaha 115TXRC is a reliable and versatile outboard motor designed for a variety of marine applications. This outboard motor features a robust 1.7-liter, in-line four-cylinder engine that delivers a power output of 115 horsepower, ensuring optimal performance and efficiency. Equipped with a precision multi-point electronic fuel injection system, the 115TXRC provides smooth acceleration and improved fuel efficiency, making it suitable for both recreational and commercial use.

The engine's design incorporates a dual overhead camshaft (DOHC) configuration, which enhances power delivery and ensures consistent performance across different RPM ranges. For added durability, the motor includes a saltwater corrosion resistance system with a patented anti-corrosion paint process and sacrificial anodes, ensuring longevity even in harsh marine environments. The 115TXRC is equipped with Yamaha's innovative PrimeStart™ system, which simplifies starting by eliminating the need for a choke or primer, making it user-friendly and convenient.

This outboard motor also features a large volume air intake and a single throttle valve, which contribute to its efficient combustion process and overall performance. With a gear ratio of 2.15:1, the 115TXRC provides excellent thrust and acceleration, suitable for a wide range of watercraft. The engine supports both mechanical and digital electronic controls, offering flexibility for different installation requirements. Yamaha's 115TXRC is engineered to deliver a quiet and smooth operation, with advanced noise reduction technologies that minimize sound and vibration. Its lightweight design and compact size make it easy to install and handle, making it an ideal choice for a variety of boat types seeking a balance between power, efficiency, and reliability.

Yamaha 115TXRC F.A.Q.

How do I perform regular maintenance on my Yamaha 115TXRC?

Regular maintenance for the Yamaha 115TXRC includes changing the engine oil and filter every 100 hours, checking the fuel system for leaks, inspecting the propeller, and lubricating moving parts. Always refer to the owner's manual for detailed instructions.

What should I do if the Yamaha 115TXRC engine won't start?

If the engine won't start, check the battery connections and voltage, ensure the fuel tank has fuel, inspect the fuel line for blockages, and check the spark plugs. If the problem persists, consult a professional technician.

How can I troubleshoot overheating issues in my Yamaha 115TXRC?

To troubleshoot overheating, check the water intake for blockages, ensure the water pump is functioning, and inspect the thermostat. Regularly clean the cooling system to prevent debris buildup.

What is the recommended fuel type for the Yamaha 115TXRC?

The Yamaha 115TXRC is designed to run on unleaded gasoline with a minimum octane rating of 87. Using higher octane fuel can improve performance.

How do I check the oil level in my Yamaha 115TXRC?

To check the oil level, ensure the engine is off and cooled down. Remove the dipstick, wipe it clean, reinsert it fully, and then remove it again to check the oil level. It should be between the minimum and maximum marks.

What steps should I follow to winterize my Yamaha 115TXRC?

Winterizing involves flushing the engine with fresh water, adding fuel stabilizer, fogging the engine, and storing it in a dry, safe environment. Consult the owner's manual for detailed procedures.

How can I improve fuel efficiency on my Yamaha 115TXRC?

Improving fuel efficiency can be achieved by maintaining a steady speed, ensuring the propeller is in good condition, performing regular maintenance, and properly trimming the boat.

What are the signs that the Yamaha 115TXRC needs a new impeller?

Signs include reduced water flow from the telltale, overheating, and unusual noises from the water pump area. Regular inspection and replacement every 200 hours or annually is recommended.

How can I address rough idling issues in my Yamaha 115TXRC?

Rough idling can be caused by dirty spark plugs, clogged fuel injectors, or incorrect idle speed settings. Clean or replace spark plugs, use fuel injector cleaner, and adjust idle speed as necessary.

What should I inspect if the Yamaha 115TXRC is vibrating excessively?

Excessive vibration may be due to a damaged propeller, loose engine mounts, or misaligned components. Inspect and balance the propeller, tighten mounts, and ensure proper alignment to resolve the issue.