1. Used Boat Parts
  2. sku: 9991704266861752
  3. YAMAHA 6H4-45300-02-E

YAMAHA Lower Outboard Unit Freshwater 40-50 6H4-45300-02-EK 84-1993

fits make: Yamaha.

6h4-45300-02-ek Yamaha 6h4-45300-02-e 40-50 Hp 2 Stroke Outboard Lower Unit 84-1993 Freshwater

( Part Type: Hp Unit ), ( Manufacturer Part Number: 6H4-45300-02-E )

Review YAMAHA 6h4-45300-02-e 40-50 Hp Stroke Outboard Lower Unit 84-1993 Freshwater

The Yamaha 6H4-45300-02-E and 6H4-45300-02-EK lower units are engine components designed for use with Yamaha outboard motors in the 40-50 horsepower range. These lower units are specifically identified for freshwater applications, ensuring optimal performance and longevity in non-saline environments.

The 6H4-45300-02-E and 6H4-45300-02-EK lower units feature a durable, compact design, with a sealed, multi-plate wet clutch system that provides efficient power transmission between the engine and the propeller shaft. The clutch system is designed to minimize friction and wear, ensuring smooth, reliable operation and extended component life.

The lower units are constructed with high-strength materials, including a rugged, fiberglass reinforced composite material for the gearcase, and a precision-machined, heat-treated aluminum alloy propeller shaft. These materials provide exceptional strength and durability, even in demanding conditions.

The 6H4-45300-02-E and 6H4-45300-02-EK lower units also include several advanced features to enhance performance and convenience. For example, they include an adjustable gearcase bottom plate that allows for fine-tuning of the lower unit's trim angle, as well as a built-in, water-lubricated oil cooler that helps maintain optimal operating temperatures, even in prolonged high-load situations.

The lower units are also designed with ease of maintenance in mind. They include a large, accessible oil filter and oil drain plug, making routine maintenance tasks quick and convenient. Additionally, they include a removable, service-friendly gearcase cover that provides easy access to the lower unit's interior components.

Overall, the Yamaha 6H4-45300-02-E and 6H4-45300-02-EK lower units are high-performance, reliable components that are perfectly suited for use with Yamaha outboard motors in the 40-50 horsepower range, and in freshwater applications. Their durable construction, advanced features, and ease of maintenance make them an excellent choice for boaters who demand the best in performance, reliability, and convenience.

Buying a Yamaha 6H4-45300-02-E/02-EK Lower Unit: A Comprehensive Analysis

Introduction:

The Yamaha 6H4-45300-02-E and 6H4-45300-02-EK lower units are suitable for outboard motors with a power output of 40 to 50 horsepower. In this analysis, we will discuss the key features, pros, cons, and provide an ending conclusion regarding the purchase of this lower unit.

Key Features:

1. Compact and lightweight design

2. High-performance water pump

3. Large oil capacity

4. Durable and corrosion-resistant materials

5. Easy maintenance

Pros:

1. High-performance water pump ensures efficient cooling, leading to longer engine life and improved performance.

2. Durable and corrosion-resistant materials increase the lifespan of the lower unit, especially in freshwater environments.

3. Large oil capacity reduces the frequency of oil changes and contributes to the longevity of the lower unit.

4. Compact and lightweight design facilitates easier installation and transport.

5. Easy maintenance allows for regular checks and adjustments, ensuring optimal performance.

Cons:

1. Higher price point compared to some competing models may deter budget-conscious buyers.

2. May require additional components, such as a gear case or shaft, depending on the specific outboard motor.

Ending Conclusion:

The Yamaha 6H4-45300-02-E/02-EK lower unit is an excellent investment for those seeking high-performance, durability, and ease of maintenance in a freshwater environment. Although it comes with a higher price tag, its features provide significant benefits, ensuring a reliable and efficient boating experience.

Recommendation:

If you are in the market for a 40-50 horsepower outboard motor and prioritize high-performance, ease of maintenance, and durability, the Yamaha 6H4-45300-02-E/02-EK lower unit is a worthwhile investment. However, carefully consider your budget and ensure compatibility with your specific outboard motor before making the purchase.

Details:

Designed specifically for Yamaha engines, this lower unit ensures optimal performance and durability. With the manufacturer part numbers 6H4-45300-02-E and 6H4-45300-12-EK, boat owners can be confident in quality compatibility of this product for their Yamaha outboard motors. The Yamaha 40-50 HP 2 Stroke Outboard Lower Unit 6H4-45300-02-EK is a crucial component for freshwater boats dating back to 1984.

part #: 6h44530002 price

  • $31.00

specifications vesselveep:

  • for makes: Yamaha
  • part type: Hp Unit
  • manufacturer part number: 6H4-45300-02-E

offer vesselveep:

  • options: Ship-to-home
  • best offers: True
  • quantity: 1
  • sold: 0
  • availability: In Stock
  • started: October 21, 2025

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shipping vesselveep:

  • type: Calculated
  • class: Expedited, Standard
  • cost: $129.50
  • service: USPS Priority Mail, FedEx Ground / FedEx Home Delivery, USPS Priority Mail Express
  • carrier: USPS, FedEx
  • transit: 3-8 Days

general vesselveep:

  • Parts Accessories > Boat Parts > Other
  • condition: Used

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

seller vesselveep:

  • rating: 99.1%
  • # reviews: 4614
  • city: Marinette, Wisconsin
for makes: yamaha, part type: hp unit,
sku: 9991704266861752,

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1 offer $31.00 USD
  • Used. Offer #1 priced at $31.00 + $0.00 delivery = $31.00* total. Yamaha Outboard Parts by Year 1984 40ELN Bottom Cowling. Schematics : 1984 Yamaha Outboard 40hp Parts 40ELN.FREE SHIPPING

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