6R7-51321-00-94 YAMAHA Waverunner Jetpump Spinning Shaft 650

Review YAMAHA Waverunner Jetpump Spinning Shaft And Oem Impeller Assembly for 650 1993

The Yamaha 6r7-51321-00-94 is a high-performance jet pump spinning shaft impeller designed specifically for the 1993 Yamaha Waverunner 650. This impeller is a crucial component of the jet pump system, responsible for delivering water to the pump's impeller blades to create thrust and propel the watercraft forward.

Measuring approximately 21.5 inches in diameter and 12.2 inches in height, this impeller is engineered with a robust and durable design to withstand the rigors of continuous use in a marine environment. Its shape and dimensions are optimized to provide maximum efficiency in water pick-up and delivery, ensuring optimal performance and responsiveness from the watercraft.

The impeller's leading edge is designed with a precise, contoured shape to minimize drag and maximize water intake. The impeller's blades are carefully engineered to provide a balanced and efficient flow of water, reducing cavitation and optimizing thrust. The impeller's housing is designed to provide a tight seal to minimize water leakage, ensuring optimal performance and efficiency.

The Yamaha 6r7-51321-00-94 impeller is manufactured using high-quality materials, including corrosion-resistant stainless steel and durable elastomeric materials. These materials are specifically chosen for their strength, durability, and resistance to the corrosive effects of saltwater and other marine environments.

Installing the Yamaha 6r7-51321-00-94 impeller is a straightforward process for experienced DIYers or professional technicians. The impeller is designed to fit securely and easily into the existing jet pump housing on the 1993 Yamaha Waverunner 650. The impeller comes with all necessary hardware for installation, including bolts, nuts, and gaskets.

Maintaining the Yamaha 6r7-51321-00-94 impeller is essential to ensure optimal performance and longevity. Regular maintenance includes checking for wear, damage, or leaks, and replacing the impeller as needed. The impeller should be inspected annually or after extended use in rough water conditions.

In summary, the Yamaha 6r7-51321-00-94 is a high-performance jet pump spinning shaft impeller designed for the 1993 Yamaha Waverunner 650. Its robust and durable design, optimized shape and dimensions, and high-quality materials make it an essential component for maximum efficiency, performance, and responsiveness from the watercraft. Regular maintenance is essential to ensure optimal performance and longevity.

Pros and Cons of Buying a Yamaha 6R7-51321-00-94 1993 Waverunner 650 Jetpump Spinning Shaft Impeller

a) Improved Performance: Replacing the old impeller with a new one can enhance the overall performance of your jet pump, resulting in better acceleration and top speed.

b) Longer Lifespan: A new impeller can extend the lifespan of your jet pump, as it reduces the wear and tear caused by a damaged or worn-out impeller.

c) Cost-Effective: In the long run, buying a new impeller can save you money, as the cost of a new impeller is significantly lower than the cost of replacing the entire jet pump.

d) Easy Installation: The impeller is a relatively simple part to replace, and many users report that the installation process is straightforward and can be completed in a short amount of time.

a) Potential for Damage: During installation or use, there is a risk of damaging other parts of the jet pump if not handled carefully.

b) Requires Regular Maintenance: While a new impeller can extend the lifespan of your jet pump, it still requires regular maintenance to ensure optimal performance and longevity.

c) Availability: Depending on the availability of the specific impeller model, it may take some time to receive the part, which could delay your ability to use your waverunner.

The decision to buy a Yamaha 6R7-51321-00-94 1993 Waverunner 650 Jetpump Spinning Shaft Impeller depends on your individual circumstances and priorities. If you value improved performance, cost-effectiveness, and ease of installation, then the pros likely outweigh the cons. However, if you are concerned about potential damage during installation or the need for regular maintenance, then the cons may be more significant. Ultimately, it is essential to weigh the benefits and drawbacks carefully and consider your specific situation before making a purchase.

If you decide to purchase the Yamaha 6R7-51321-00-94 1993 Waverunner 650 Jetpump Spinning Shaft Impeller, ensure that you follow the manufacturer's installation instructions carefully to minimize the risk of damage to other parts of the jet pump. Additionally, consider investing in a maintenance plan or schedule regular inspections to maintain the optimal performance and lifespan of your new impeller.

Details:

Freshwater parts. Condition is used. 7dos7,87uno,487uno. Shipped with USPS ground advantage.

1993 Yamaha waverunner iii 650 oem impeller assembly. Smooth,quiet spinning assembly.

specifications watercraftimp:

• for models: 650
• for years: 1993
• brand: Yamaha
• mpn: 6r7-51321-00-94
• part type: Shaft Impeller

shipping watercraftimp:

• transit: 5-10 days
• class: standard, economy
• service: usps ground advantage, ups ground saver
• type: calculated
• carrier: usps, ups

seller watercraftimp:

• rating: 100.0%
• # reviews: 54
• city: saint petersburg, florida

offer watercraftimp:

• sold #: 21
• in stock #: 5
• started: october 12, 2025
• availability: in stock
• options: ship-to-home
• prices: $309.94–$323.97
• item condition:
  • New
  • New other (see details)
  • Used

returns watercraftimp:

• policy: no returns

payments watercraftimp:

• wallet: paypal
• credit card: discover
• other

general watercraftimp:

• category: Watercraft Parts > Engines > Impellers Components