74-412-02 YAMAHA Coupler Shaft

Review YAMAHA Coupler Shaft

The Yamaha 74-412-02 coupler shaft is an essential component for boats with the model number 6S5-51323-00-00, manufactured by Yamaha between the years 2008 and 2018. This coupler shaft plays a crucial role in connecting the engine and the propeller, facilitating smooth and efficient power transmission from the engine to the watercraft's propeller.

Measuring approximately 37 inches in length, this shaft is specifically designed to fit the defined Yamaha model and is engineered using high-quality materials that ensure durability and resistance to corrosion. The outer surface of the shaft features a polished finish, enhancing its aesthetic appeal while also promoting reduced friction between the components during operation.

The Yamaha 74-412-02 coupler shaft incorporates a splined design for the engine end, providing a secure and reliable connection to the engine. The propeller end of the shaft is equipped with a tapered, keyed design, ensuring a snug and precise fit with the propeller.

This component is engineered to meet the stringent specifications of Yamaha Marine, ensuring optimal performance and reliability for your watercraft. The shaft is easy to install, requiring minimal tools and effort, making it an ideal choice for boat owners seeking to maintain their vessels in peak condition.

In summary, the Yamaha 74-412-02 coupler shaft is a high-quality, essential component designed for boats with the model number 6S5-51323-00-00, manufactured between 2008 and 2018. Its polished finish, splined design, and tapered, keyed propeller end ensure a secure and reliable connection to the engine and propeller, contributing to the smooth and efficient operation of the watercraft.

The Yamaha 74-412-02 coupler shaft is a part used in Yamaha outboard motors from 2008 to 2018, specifically for the 6S5-51323-00-00 model. Replacing this part can be necessary when it shows signs of wear or failure, such as difficulty in engaging or disengaging the drive shaft, or noticeable vibrations while operating the motor.

1. Ensures proper operation: A new coupler shaft will ensure that the drive shaft engages and disengages smoothly, reducing vibrations and potentially preventing more extensive damage to the motor.

2. Long-term reliability: A new shaft can provide peace of mind, as it is less likely to fail compared to a worn-out or damaged one.

3. Improved performance: A well-functioning shaft can lead to better overall performance of the outboard motor, including increased efficiency and faster response.

1. Cost: Replacing the coupler shaft can be a significant expense, especially when considering the labor costs for installation.

2. Availability: Depending on the location and availability of parts, it may take some time to obtain the new shaft, potentially affecting the ability to use the motor during that time.

In conclusion, while the cost and availability of the Yamaha 74-412-02 coupler shaft may be a concern, the benefits of a properly functioning shaft are essential for the reliable operation and performance of the outboard motor. It is recommended to replace the shaft as soon as signs of wear or failure are detected to prevent further damage and ensure the longevity of the motor.

Details:

Yamaha coupler shaft, 2008 -2018 6S5-51323-00-00.

specifications watercraftimp:

• for years: 2008–2018
• brand: Yamaha
• mpn: 74-412-02
• part type: Shaft

offer watercraftimp:

• best offers: true
• sold #: 22
• prices: $166.85–$174.25
• item condition: New
• in stock #: 5
• availability: in stock
• options: ship-to-home
• started: march 27, 2025

returns watercraftimp:

• policy: returns accepted
• time: 30 days
• paid by: buyer

general watercraftimp:

• category: Watercraft Parts > Engines > Impellers Components

seller watercraftimp:

• city: trimble, missouri
• # reviews: 64952
• rating: 99.8%

shipping watercraftimp:

• type: calculated
• service: usps ground advantage, usps priority mail
• carrier: usps
• transit: 4-7 days
• class: standard, expedited

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