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  3. YAMAHA RELIANCE

YAMAHA 7501399 Reliance Boat Propeller Blade Sds 1/2 13P

fits make: Yamaha. year: 2014.

7501399 Yamaha Pn Reliance Boat Propeller 14 1/2 X 13p 3 Blade R Stainless Sds

( Model: RELIANCE ), ( Size: 14 1/4 X 18 Pitch ), ( Color: Silver ), ( Material: Stainless Steel ), ( Propeller Pitch: 13 ), ( Propeller Rotation: Standard ), ( Type: Propeller ), ( Country Of Origin: United States )

Review YAMAHA Pn Reliance Boat Propeller 1/2 13p Blade Stainless Sds fits 2014

The **Yamaha 7501399 Reliance Boat Propeller (14 " x 13P Blade, SDS)** is a high-performance, precision-engineered propeller designed to deliver exceptional efficiency, reliability, and power transfer for Yamaha outboard motors, particularly those in the 90 150 horsepower range. Crafted from high-grade, corrosion-resistant stainless steel, this propeller is built to withstand the harshest marine environments, ensuring long-lasting durability even in saltwater conditions where rust and wear are common concerns. The **14 -inch diameter** provides an optimal balance between thrust and speed, making it ideal for a wide range of applications, from leisurely cruising to high-speed maneuvering, while the **13-pitch blade** offers a refined blend of acceleration and top-end performance, allowing for smooth, responsive handling without excessive strain on the engine.

This **SDS (Screw-Drive System) propeller** features Yamaha s proprietary **Reliance Drive** technology, which enhances power delivery and reduces vibration by optimizing blade geometry and flow dynamics. The **three-blade design** ensures efficient water displacement, minimizing cavitation and improving fuel economy while maintaining strong pulling power. The **hydrodynamic shaping** of the blades, including Yamaha s **Reliance Blade Technology**, reduces drag and turbulence, resulting in cleaner, more consistent performance across varying loads. Whether you're towing a water skier, cruising at high speeds, or navigating tight turns, this propeller excels in both power and precision, making it a standout choice for anglers, boaters, and performance enthusiasts alike.

Built to Yamaha s exacting standards, the **7501399** is engineered for seamless compatibility with compatible outboard models, ensuring a secure fit and optimal performance. The **stainless steel construction** not only resists corrosion but also maintains structural integrity over time, reducing the need for frequent replacements. Additionally, the **smooth, polished finish** of the blades minimizes friction, further enhancing efficiency and prolonging the propeller s lifespan. Whether you're upgrading an existing setup or installing a new one, this propeller delivers a noticeable improvement in acceleration, handling, and overall boat performance, making it a smart investment for anyone seeking reliability and high-performance propulsion.

### **Pros and Cons of buying a Yamaha 7501399 Reliance Boat Propeller (14 1/2" x 13P Blade, SDS)**

#### **Pros:**

1. **High Performance for Reliance Engines** This propeller is specifically designed for Yamaha Reliance outboard motors, ensuring optimal power transfer and efficiency. It is engineered to work seamlessly with the engine s power band, maximizing thrust and speed.

2. **Durable Construction** The propeller is made from high-quality stainless steel, which provides excellent resistance to corrosion, wear, and impact damage. This makes it suitable for both freshwater and saltwater use, though saltwater may require more frequent maintenance.

3. **Efficient Blade Design (13P)** The 13-pitch blade design is optimized for mid-range performance, offering a balance between acceleration and top-end speed. This makes it ideal for general boating, fishing, and light towing applications where smooth operation and fuel efficiency are important.

4. **SDS (Shear Pin Drive System)** The SDS drive system is a safety feature that protects the propeller shaft from excessive torque by shearing a sacrificial pin if the propeller strikes an object. This prevents costly damage to the engine and propeller while allowing for easy reinstallation.

5. **Compatibility with Reliance Series** Since this propeller is part of Yamaha s Reliance line, it is designed to work well with engines in the 115 150 horsepower range, providing reliable performance without excessive vibration or noise.

6. **Easy Installation** The SDS system simplifies installation and removal, as it does not require a wrench to tighten the propeller nut. This makes it a convenient choice for DIYers or those who frequently change propellers.

7. **Fuel Efficiency** A well-matched propeller like this one can improve fuel economy by reducing unnecessary strain on the engine and optimizing power delivery.

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#### **Cons:**

1. **Limited to Reliance Engines** This propeller is not universal and is specifically tuned for Yamaha Reliance outboards. Using it on a different engine model (e.g., Yamaha FourStroke or Mercury) may result in suboptimal performance or damage.

2. **Potential for Wear in Harsh Conditions** While the stainless steel construction is durable, prolonged exposure to saltwater, debris, or rough handling can still lead to pitting, corrosion, or blade damage over time. Regular cleaning and maintenance are necessary.

3. **Cost Relative to Alternatives** Compared to generic or aftermarket propellers, this Yamaha Reliance propeller may be priced higher. However, the performance and reliability often justify the cost for serious boaters.

4. **Not Ideal for Heavy Towing or High-Speed Racing** The 13-pitch blade is designed for balanced performance rather than extreme towing or high-speed applications. For heavy loads or racing, a lower-pitch propeller (e.g., 10P or 11P) might be more suitable.

5. **SDS System Limitations** While the SDS system is a safety feature, it does mean that the propeller may shear if it hits an obstacle, requiring replacement. Frequent shearing could become costly over time, especially in areas with many obstacles.

6. **Weight** Stainless steel propellers are heavier than some aluminum alternatives, which could slightly affect maneuverability in smaller boats or during tight turns.

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### **Conclusion:**

The **Yamaha 7501399 Reliance Boat Propeller (14 1/2" x 13P Blade, SDS)** is a well-engineered, high-performance propeller tailored for Yamaha Reliance outboards. It excels in providing smooth operation, fuel efficiency, and durability for general boating, fishing, and light towing. The SDS system adds a layer of safety, while the stainless steel construction ensures longevity in various conditions.

However, it is not a universal fit and is best suited for Reliance engines within its intended power range. Boaters who prioritize reliability, ease of installation, and optimized performance for their specific engine will find this propeller highly beneficial. Those with heavy towing needs or different engine models may need to consider alternatives.

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### **Recommendation:**

If you own a **Yamaha Reliance outboard motor (115 150 HP)** and primarily use your boat for cruising, fishing, or light towing, this propeller is an excellent choice. It offers a strong balance of performance, durability, and safety.

**Buy it if:**

- You need a reliable, high-quality propeller for your Reliance engine.

- You want the convenience of the SDS system for easy installation and safety.

- You operate in conditions where corrosion resistance is important (freshwater or saltwater with maintenance).

**Consider alternatives if:**

- You have a non-Reliance Yamaha engine and need a propeller with different pitch or diameter.

- You frequently tow heavy loads or require a propeller optimized for high-speed performance.

- You are on a tight budget and can find a well-matched aftermarket propeller at a lower cost.

For most Reliance engine owners, this propeller is a **strong recommendation** due to its proven performance and compatibility. Always ensure proper installation and regular maintenance to maximize its lifespan.

Details:

In great condition. Freshwater only. Used on a Yamaha Outboard for 3 seasons, approximately 60hrs. Selling prop only, no other parts.

part #: 7501399 prices

  • $300.00-$325.00

specifications propboapar:

  • for makes: Yamaha
  • for years: 2014
  • model: Reliance
  • size: 14 1/4 X 18 Pitch
  • color: Silver
  • material: Stainless Steel
  • propeller pitch: 13
  • propeller rotation: Standard
  • type: Propeller
  • country of origin: United States

payments propboapar:

  • other
  • credit card: Visa
  • wallet: Paypal

shipping propboapar:

  • transit: 7-12 Days
  • service: USPS Ground Advantage
  • type: Calculated
  • carrier: USPS
  • cost: $22.23
  • class: Standard

seller propboapar:

  • city: Fairview, North Carolina
  • # reviews: 72
  • rating: 100.0%

offer propboapar:

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

general propboapar:

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

returns propboapar:

  • policy: No Returns
for makes: yamaha, for years: 2014, size: 14 1/4 x 18 pitch, propeller pitch: 13, propeller rotation: standard, type: propeller, country of origin: united states,
category: boat parts > propellers, color: silver, material: stainless steel, sku: 12598424154158632,
Yamaha 7501399 Is Similar To:
propboapar logo
2 offers $300.00–$325.00 USD
  • New other (see details). Offer #1 priced at $300.00 + $25.00 shipping estimate = $325.00* total. Like new OE propeller.+$25.00 shipping
  • Used. Offer #2 priced at $325.00 + $22.23 shipping estimate = $347.23* total. Selling prop only, no other parts Used on a Yamaha Outboard for 3 seasons, approximately 60hrs.+$22.23 shipping

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