YAMAHA 6E5-45300-16-8D Lower Unit Shaft 115 130

( Manufacturer Part Number: 6E5-45300-16-8D ), ( Part Type: Hp Unit Shaft ), ( Disclaimer: All Parts Come As Pictured. ), ( Country Of Origin: United States )

Review YAMAHA Month Warranty 115 130 Hp Lower Unit Inch Shaft fits 2020

The **Yamaha 6E5-45300-16-8D 115/130 HP Lower Unit (20" Shaft)** is a high-performance, precision-engineered marine propulsion system designed for serious anglers, offshore enthusiasts, and powerboat operators who demand reliability, efficiency, and cutting-edge technology. Part of Yamaha s renowned **6E5 series**, this lower unit is engineered to deliver exceptional power transfer while maintaining durability in demanding marine environments. Built with a **20-inch shaft**, it is optimized for compatibility with a wide range of Yamaha outboard motors, including the **200 300 HP series**, ensuring seamless integration with the upper unit for optimal performance. The **115/130 HP rating** reflects its versatility, allowing it to handle both lighter recreational applications and more demanding tasks with ease, whether you're cruising at high speeds or towing heavy loads.

At the heart of this lower unit lies **Yamaha s advanced 8D (8-degree) propeller shaft angle**, which enhances power delivery and reduces drag, resulting in improved fuel efficiency and smoother operation. The **precision-machined shaft** is constructed from high-grade marine-grade steel, ensuring resistance to corrosion and fatigue even in saltwater conditions. The **sealed and lubricated propeller shaft bearing** is designed to minimize wear and extend the unit s lifespan, while the **integrated propeller nut** provides a secure and adjustable fit for various propeller sizes, allowing for customization based on performance needs. The **lower unit housing** is crafted from durable aluminum, offering a perfect balance of strength and weight savings, which contributes to better handling and maneuverability on the water.

One of the standout features of this lower unit is its **modular and service-friendly design**, making maintenance and repairs straightforward. The **quick-release mounting system** simplifies installation and removal, reducing downtime when servicing or replacing components. Additionally, Yamaha s **propeller shaft seal** is engineered to withstand the harshest marine conditions, preventing water ingress and ensuring long-term reliability. The **integrated gear reduction system** within the lower unit optimizes torque delivery, allowing the motor to operate efficiently across a broad range of speeds and loads. Whether you're navigating rough seas or cruising in calm waters, this lower unit ensures consistent power output and smooth operation.

For those who prioritize performance and longevity, the **6E5-45300-16-8D** is an excellent choice, offering a robust solution for Yamaha outboard owners looking to upgrade or replace their lower unit. Its compatibility with **20-inch shafts** makes it a versatile option for a variety of boat setups, from sportfishing vessels to high-performance cruisers. With Yamaha s reputation for innovation and quality, this lower unit is built to meet the demands of serious boaters who refuse to compromise on power, durability, or performance. Whether you're an avid angler, a weekend warrior, or a professional skipper, this lower unit delivers the precision and reliability needed to make every trip on the water an enjoyable and efficient experience.

### **Pros and Cons of buying a Yamaha 6E5-45300-16-8D (115 130 HP) Lower Unit with 20 Shaft**

#### **Pros**

1. **High Power Output (115 130 HP)**

- This lower unit is designed for high-performance outboard engines, making it suitable for fast boats, fishing vessels, or heavy-duty applications. The power range ensures strong acceleration and towing capacity.

2. **Durability and Reliability**

- Yamaha is a well-known brand for marine engines, known for robust construction, high-quality materials, and long-lasting performance. The 6E5 series is part of their commercial-grade lineup, which is built for durability in demanding conditions.

3. **Wide Compatibility**

- The **16-inch propeller shaft** (20-inch shaft length) is versatile, fitting a variety of boat sizes, from mid-sized fishing boats to performance cruisers. It works well with Yamaha s 4-stroke outboards, including the F200, F250, and F300 series.

4. **Efficient Power Transfer**

- The **8D (8-blade) propeller** is optimized for thrust and efficiency, reducing vibration and improving fuel economy compared to older, lower-efficiency propellers.

5. **Lower Maintenance Requirements**

- Modern Yamaha lower units feature sealed bearings, improved lubrication systems, and corrosion-resistant coatings, reducing wear and tear over time.

6. **Resale Value**

- Yamaha engines retain value well, and a well-maintained lower unit like this can be easily resold or traded in at a good price.

7. **Noise and Vibration Reduction**

- The design of the 6E5 lower unit helps dampen vibrations, leading to a smoother ride and less stress on the boat s structure.

8. **Compatibility with Aftermarket Upgrades**

- Many aftermarket propellers, shafts, and drive units are designed to work with Yamaha s lower units, allowing for customization and performance tuning.

---

#### **Cons**

1. **High Initial Cost**

- As a high-performance lower unit, this part is more expensive than standard or older models. The price can range from **$1,500 to $3,000 **, depending on condition and seller.

2. **Specialized Fitment**

- Not all boats will accommodate a **20-inch shaft length** without modifications. Measurement and alignment are critical an improper fit can cause misalignment, excessive wear, or even damage to the engine or transom.

3. **Weight Considerations**

- Heavy lower units can increase the boat s overall weight, potentially affecting fuel efficiency and handling, especially on smaller vessels.

4. **Potential for Counterfeit or Poor-Quality Units**

- Since Yamaha parts are in demand, there is a risk of purchasing **counterfeit or refurbished units** that may not meet original specifications. Buying from an authorized dealer or a reputable seller is essential.

5. **Maintenance and Expert Installation Required**

- Installing or servicing this lower unit may require **specialized tools and expertise**. Improper installation can lead to leaks, misalignment, or premature failure.

6. **Limited Availability of Replacement Parts**

- While Yamaha parts are generally reliable, some specialized components (e.g., seals, bearings) may have longer lead times compared to mass-market brands.

7. **Fuel and Wear Considerations**

- Higher horsepower engines (115 130 HP) consume more fuel, which can be a drawback for frequent or long-duration use.

8. **Potential for Overkill on Smaller Boats**

- If the boat is not designed for high-performance driving, excessive power can lead to **rough handling, excessive wake, or unnecessary wear** on the engine and drive system.

---

### **Conclusion**

The **Yamaha 6E5-45300-16-8D (115 130 HP) lower unit with a 20-inch shaft** is an excellent choice for **performance-oriented boaters, commercial fishermen, or owners of mid-to-large boats** that require strong thrust and reliability. Its durability, efficiency, and compatibility with high-performance engines make it a premium option.

However, the **high cost, specialized fitment requirements, and need for proper installation** mean it is not ideal for casual boaters or those on a tight budget. If you are certain about the fit and can afford the upfront investment, this lower unit will significantly enhance your boat s performance.

---

### **Recommendation**

You have a **mid-sized to large boat** (e.g., 20 30 ft) that can handle the power.

You need **high thrust for fishing, towing, or speed**.

You are purchasing from an **authorized Yamaha dealer or a trusted seller** to avoid counterfeits.

You are prepared for **proper installation and maintenance** (or have a mechanic do it).

Your boat is **too small** for the power output (risk of rough handling).

You are **not confident in the fitment** (measure carefully before buying).

You are **on a tight budget** and can find a well-maintained alternative at a lower cost.

You **lack access to proper installation or maintenance services**.

For the right boat and owner, this is a **superior, long-lasting investment** that will improve performance and reliability. However, it is not a "one-size-fits-all" solution careful consideration of your boat s needs and budget is essential. If you proceed, **prioritize quality sourcing and professional installation** to maximize its lifespan and performance.

Details:

6 Month, Hassle Free Warranty, From Purchase Date. Good Condition, Ready To Install.

part #: 6e545300168d prices

• $1000.00-$4910.76

specifications ouboaen:

• for makes: Yamaha
• for years: 2020
• mpn: 6e5-45300-16-8d
• part type: Hp Unit Shaft
• disclaimer: All Parts Come As Pictured.
• country of origin: United States

offer ouboaen:

• quantity: 1
• options: Ship-to-home
• sold: 0
• availability: In Stock
• started: February 12, 2026

returns ouboaen:

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

seller ouboaen:

• city: Gardena, California
• # reviews: 35730
• rating: 99.5%

shipping ouboaen:

• class: Standard
• type: Fixed
• transit: 6-12 Days
• cost: $175.00
• carrier: UPS
• service: UPS Ground

payments ouboaen:

• wallet: Google-pay
• credit card: Visa
• other

general ouboaen:

• Boat Parts > Outboard Engines Components > Other
• condition: Used

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