YAMAHA 64K4530001NA Lower Outboard Unit Freshwater 2-STROKE

( Manufacturer Part Number: 64K4530001NA ), ( Part Type: Unit ), ( Country Of Origin: Japan ), ( New Genuine Oem: Yes ), ( Name: Yamaha 64k-45300-01-na Lower Unit Assy )

Review YAMAHA Outboard Lower Unit Assy 2-stroke Freshwater fits 1989–2003

The Yamaha 64K4530001NA outboard lower unit is a high-performance component specifically designed for use with Yamaha outboard motors in the 150-200 horsepower range. This lower unit is suitable for freshwater applications and was manufactured between the years 1989 and 2003. It is a 2-stroke unit, meaning that it requires a mixture of fuel and oil for lubrication.

This lower unit is characterized by its robust and durable design, which is essential for the demanding requirements of high-horsepower outboard motors. It features a large-capacity, high-efficiency impeller that delivers excellent water pickup and pumping performance. The lower unit is also equipped with a heavy-duty gearcase that provides reliable power transmission between the engine and the propeller.

One of the key features of this lower unit is its efficient water cooling system, which helps to maintain optimal operating temperatures for the engine. The cooling system includes a large-volume water pump and an efficient heat exchanger, which work together to ensure that the lower unit stays cool even in the most demanding conditions.

The Yamaha 64K4530001NA outboard lower unit also includes a number of other important features that contribute to its durability and reliability. For example, it has a robust, corrosion-resistant coating that helps to protect the unit from the effects of saltwater or other corrosive substances. It also has a heavy-duty propeller shaft and a robust, wear-resistant gear material that ensure long-lasting performance.

In terms of maintenance, this lower unit is designed to be easy to service and maintain. It includes a number of features that make routine maintenance tasks simpler and more efficient, such as easily accessible oil filters, a large-capacity oil reservoir, and a conveniently located water drain plug.

Overall, the Yamaha 64K4530001NA outboard lower unit is an excellent choice for boat owners who are looking for a high-performance, reliable, and durable component for their 150-200 horsepower Yamaha outboard motor. Its robust design, efficient water cooling system, and ease of maintenance make it an ideal choice for both freshwater and saltwater applications.

The Yamaha 64K4530001NA outboard lower unit, designed for use with 150-175-200hp 1989-2003 2-stroke outboards, is a popular choice among boat owners for its durability and reliability. However, like any mechanical component, it comes with its advantages and disadvantages.

1. Power and Performance: This lower unit is designed for high-performance 2-stroke outboards, delivering excellent power and acceleration.

2. Durability: Yamaha is known for its robust engineering and high-quality materials, making this lower unit a reliable choice for long-term use.

3. Wide Compatibility: It can be used with a range of Yamaha outboards within the specified horsepower range, making it a versatile option for boat owners.

1. Fuel Efficiency: 2-stroke engines, including the outboards that use this lower unit, are less fuel-efficient compared to their 4-stroke counterparts.

2. Maintenance: 2-stroke engines require more frequent oil changes and mixing oil with fuel, which can be time-consuming and costly for boat owners.

3. Emissions: 2-stroke engines produce higher emissions compared to 4-stroke engines, which can be a concern for the environment and for some boaters.

The Yamaha 64K4530001NA outboard lower unit is a great choice for boat owners who prioritize power and performance over fuel efficiency and ease of maintenance. Its durability and versatility make it a reliable investment for those with compatible Yamaha outboards. However, it may not be the best option for those who are concerned about emissions or prefer a more user-friendly engine.

If you prioritize power and performance and own a compatible Yamaha 150-175-200hp 2-stroke outboard, the Yamaha 64K4530001NA outboard lower unit is a solid investment. If you prefer a more fuel-efficient or easier to maintain engine, consider a 4-stroke outboard with a matching lower unit.

Details:

This assembly is brand new and designed specifically for freshwater use. The Yamaha Outboard Lower unit assembly is a genuine OEM part manufactured in Japan for 2-stroke engines ranging from 150-175-200HP. With the manufacturer part number 64K-45300-01-NA, this lower unit is a crucial component for maintaining and repairing your Yamaha outboard motor.

part #: 64k4530001na prices

• $180.00-$249.00

specifications scoofilters:

• for makes: Yamaha
• for years: 1989-2003
• mpn: 64k4530001na
• part type: Unit
• country of origin: Japan
• new genuine oem: Yes
• name: Yamaha 64k-45300-01-na Lower Unit Assy

general scoofilters:

• Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Air Filters
• condition: Used

shipping scoofilters:

• type: Fixed
• class: Standard, Expedited
• cost: $0.00
• carrier: USPS, FedEx
• service: USPS First Class, USPS Priority Mail Flat Rate Envelope, FedEx Ground / FedEx Home Delivery
• transit: 4-8 Days

returns scoofilters:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

seller scoofilters:

• # reviews: 5524
• rating: 99.5%
• city: Marinette, Wisconsin

payments scoofilters:

• wallet: Paypal
• other
• credit card: Discover

offer scoofilters:

• availability: In Stock
• best offers: True
• started: April 16, 2026
• quantity: 1
• sold: 0
• options: Ship-to-home

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