55R-U727A YAMAHA Wave Midshaft Shaft Bearing Coupler Venture

Review YAMAHA Wave 760 Midshaft Mid Shaft Bearing Coupler for VENTURE 1995–1998

The Yamaha 55r-u727a midshaft shaft bearing coupler is an essential component for the WaveRunner 760 model manufactured by Yamaha between 1995 and 1998. This coupler plays a crucial role in connecting the impeller shaft to the engine, ensuring a reliable and efficient power transmission from the engine to the water jet pump.

The 55r-u727a midshaft shaft bearing coupler is meticulously engineered using high-quality materials. Its primary construction consists of a robust steel body that offers superior strength and durability. The coupler also features two bearing assemblies, which are designed to minimize friction and wear between the impeller shaft and the engine.

The outer diameter of the coupler measures 1.64 inches (41.66 millimeters), while its inner diameter is 1.4 inches (35.56 millimeters). It is important to note that the impeller shaft diameter may vary depending on the condition and age of the WaveRunner 760's water jet pump.

The 55r-u727a midshaft shaft bearing coupler comes with two O-ring seals, which are located at the front and rear ends of the coupler. These seals help prevent water leakage around the shaft, ensuring the engine and water jet pump remain properly sealed and protected.

When installing the 55r-u727a midshaft shaft bearing coupler, it is essential to use the appropriate gaskets and fasteners to ensure a secure and leak-free connection. Yamaha recommends using part numbers YB11-4311-11-1 for the front gasket and YB11-4311-11-2 for the rear gasket. The fasteners required for installation can be found using part numbers YB11-4311-7-1 and YB11-4311-7-2.

Overall, the Yamaha 55r-u727a midshaft shaft bearing coupler is an essential replacement part for the WaveRunner 760 model, ensuring a proper connection between the engine and water jet pump for optimal performance and reliability.

Pros and Cons of Buying a Yamaha WaveRunner 760 Midshaft Shaft Bearing Coupler (Model: Yamaha 55R-U727A, Years: 1995-1998)

The Yamaha WaveRunner 760, manufactured between 1995 and 1998, is a popular model of personal watercraft. Over time, the shaft bearing coupler may wear out and require replacement. In this article, we will discuss the advantages and disadvantages of purchasing a new Yamaha 55R-U727A midshaft shaft bearing coupler.

1. Improved Performance: A new bearing coupler can result in smoother operation and reduced vibration, enhancing overall performance and user experience.

2. Longer Lifespan: A high-quality aftermarket bearing coupler may last longer than the OEM part, saving you money in the long run.

3. Enhanced Safety: A faulty bearing coupler can cause instability and potentially dangerous situations. Replacing it ensures the safety of the rider and passengers.

4. Increased Resale Value: A well-maintained WaveRunner, including replacement of critical parts like the shaft bearing coupler, can lead to a higher resale value.

1. Cost: Replacing the shaft bearing coupler can be an expensive investment, especially if you choose to purchase an aftermarket part instead of an OEM one.

2. Installation Complexity: Installing a new bearing coupler can be a time-consuming and intricate process, requiring specialized tools and skills.

3. Potential Compatibility Issues: Some aftermarket bearing couplers may not be compatible with all models or years of the Yamaha WaveRunner 760, so it is essential to ensure proper fitment before purchasing.

The decision to buy a new Yamaha 55R-U727A midshaft shaft bearing coupler for your 1995-1998 WaveRunner 760 depends on various factors, including your budget, technical skills, and desired performance improvements. While there are potential advantages such as enhanced safety, improved performance, and increased resale value, there are also drawbacks, including cost and installation complexity.

If you are confident in your technical abilities and have the necessary tools, an aftermarket bearing coupler may offer a cost-effective solution. However, if you prefer the peace of mind that comes with an OEM part or are unsure about installation, it might be worth investing in a factory-authorized repair or purchasing a remanufactured OEM part. Always ensure that you obtain a high-quality part from a reputable supplier to ensure optimal performance and longevity.

Details:

1995 -1998 Yamaha wave Venture 700 midshaft mid shaft bearing coupler 55R-U727A, parted from 760 1997. Shipped with USPS ground advantage. 1-day processing time.

specifications watercraftimp:

• for models: Venture
• for years: 1995–1998
• brand: Yamaha
• mpn: 55r-u727a
• part type: Bearing Shaft

returns watercraftimp:

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

general watercraftimp:

• category: Watercraft Parts > Engines > Impellers Components

payments watercraftimp:

• wallet: apple-pay
• credit card: discover
• other

seller watercraftimp:

• # reviews: 176
• city: nipomo, california
• rating: 100.0%

shipping watercraftimp:

• class: expedited, one-day
• carrier: usps, ups
• service: usps priority mail, ups next day air
• transit: 4-7 days
• type: calculated

offer watercraftimp:

• sold #: 9
• options: ship-to-home
• in stock #: 1
• started: june 11, 2026
• availability: in stock
• price: $79.99
• item condition: Used