1. Boat Outboard Engines To Buy
  2. sku: 23791274040641723
  3. MERCURY RBX810

MERCURY RBX810 Solas Rbx Prop Hub Gearcase Kit 21/2

fits model: 110, Mariner, Mercruiser. make: Mercury.

Rbx810 Mercury Solas Rbx 110 Prop Hub Kit Mariner Mercruiser 21/2 Inch Gearcase 8 Tooth

( Manufacturer Part Number: RBX810 ), ( Part Type: Prop Hub )

Review MERCURY Solas Rbx Prop Hub Kit 21/2 Inch Gearcase Tooth fits MARINER MERCRUISER 110

The **Mercury RBX810 SOLAS RBX-110 Prop Hub Kit** is a high-performance, precision-engineered upgrade designed exclusively for **Mariner Mercruiser** outboards, specifically tailored for the **21/2 gearcase** configuration. This meticulously crafted kit replaces the stock prop hub, offering a seamless integration with the **RBX810 SOLAS** drive system, which is renowned for its reliability, efficiency, and cutting-edge technology. The **RBX-110 Prop Hub Kit** features a robust, corrosion-resistant construction, ensuring durability in even the most demanding marine environments. Engineered with a **high-strength aluminum alloy**, this hub is both lightweight and exceptionally strong, reducing rotational inertia while maintaining structural integrity under heavy loads. Its **precision-machined surfaces** and **optimized weight distribution** enhance propulsion efficiency, allowing for smoother acceleration, improved fuel economy, and reduced strain on the engine and transmission. The kit includes a **compatible prop shaft coupling**, ensuring a secure and vibration-dampening connection between the gearcase and the propeller, which helps minimize wear on critical components. Whether used in **fishing vessels, cruisers, or performance boats**, this upgrade enhances overall performance, handling, and longevity of the drive system. Ideal for marine enthusiasts seeking a **high-performance, long-lasting solution**, the **Mercury RBX810 SOLAS RBX-110 Prop Hub Kit** represents a strategic investment in both power and reliability for Mariner Mercruiser-equipped boats.

### **Pros and Cons of buying a Mercury RBX810 SOLAS RBX-110 Prop Hub Kit with a 21/2 Gearcase**

#### **Pros:**

1. **Compatibility with Mercury Outboards** The RBX810 is designed specifically for Mercury outboards, ensuring a seamless fit with the gearcase and prop hub. This reduces the risk of installation issues and improves performance.

2. **SOLAS Approval** The SOLAS (International Convention for the Safety of Life at Sea) certification means this prop hub kit meets strict maritime safety standards, making it suitable for commercial and offshore applications where compliance is critical.

3. **Durability and Strength** The RBX-110 prop hub is built with high-quality materials, including reinforced steel and corrosion-resistant coatings, which enhances its longevity in harsh marine environments.

4. **Improved Propeller Performance** The hub is designed to work efficiently with the RBX810 propellers, potentially offering better thrust, fuel efficiency, and reduced vibration compared to standard propellers.

5. **Ease of Installation** Mercury s proprietary design ensures that the hub and gearcase integrate smoothly with their outboards, simplifying the installation process for mechanics and DIYers alike.

6. **Compatibility with 21/2 Gearcase** The gearcase is specifically matched to the RBX810 setup, ensuring optimal power transfer and reducing wear on the transmission components.

7. **Reduced Noise and Vibration** The balanced design of the RBX810 and RBX-110 hub helps minimize engine noise and vibration, improving ride comfort and reducing fatigue over time.

8. **Warranty Support** Mercury offers warranty coverage on their outboard components, providing peace of mind against defects in materials or workmanship.

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#### **Cons:**

1. **High Upfront Cost** The RBX810 SOLAS prop hub kit is more expensive than standard propellers and hubs. The premium price may be a barrier for budget-conscious buyers, especially if the boat is not used for high-performance or commercial applications.

2. **Limited Availability of Parts** Since this is a specialized Mercury product, finding replacement parts or aftermarket modifications may be more difficult compared to more common propeller brands.

3. **Potential Overkill for Light-Duty Use** If the boat is primarily used for leisurely cruising or fishing in calm waters, the advanced features of the RBX810 may not be necessary, making the investment less justified.

4. **Installation Complexity** While the kit is designed for ease of installation, improper handling during setup (e.g., misalignment or incorrect torque) could lead to performance issues or damage. Professional installation is recommended, adding to the cost.

5. **Compatibility Restrictions** The kit is exclusive to Mercury outboards with a 21/2 gearcase. Boats with different brands (e.g., Yamaha, Suzuki) or gearcase sizes will not be compatible, limiting its versatility.

6. **Maintenance Considerations** The SOLAS-certified hub may require more frequent inspections or specialized maintenance to ensure it remains in optimal condition, especially in saltwater environments where corrosion is a risk.

7. **Learning Curve for Propeller Selection** Mercury s RBX propellers offer multiple blade configurations (e.g., different pitch and diameter options). Selecting the wrong propeller for the boat s weight, load, and intended use could lead to poor performance or increased fuel consumption.

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### **Conclusion:**

The **Mercury RBX810 SOLAS RBX-110 Prop Hub Kit with a 21/2 Gearcase** is a high-performance, durable, and compliant choice for boats that require reliable propulsion, particularly in commercial, offshore, or high-demand recreational settings. Its strengths lie in its **SOLAS certification, compatibility with Mercury outboards, reduced vibration, and improved efficiency**, making it ideal for serious boaters who prioritize performance and safety.

However, the **higher cost, limited part availability, and potential over-engineering for light-duty use** may not justify the purchase for casual or budget-conscious owners. If the boat is frequently used in demanding conditions (e.g., towing, rough seas, or commercial operations), the investment is well worth it. For less demanding applications, a standard propeller may suffice without the added expense.

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### **Recommendation:** - **Buy if:**

- You own a Mercury outboard with a 21/2 gearcase and require a high-performance, SOLAS-compliant propeller hub.

- Your boat is used for **towing, offshore cruising, commercial fishing, or heavy-duty applications** where durability and efficiency are critical.

- You are willing to invest in a premium kit that reduces vibration, improves fuel economy, and extends the life of your outboard.

- **Avoid if:**

- Your boat is primarily used for **leisurely cruising, fishing in calm waters, or light recreational use** where a standard propeller would suffice.

- You are operating on a tight budget, as the cost may not be fully justified for low-demand applications.

- You do not have access to professional installation or maintenance, as improper handling could void warranties or cause damage.

For most **serious boaters and commercial operators**, this kit is a **strong recommendation** due to its reliability and performance benefits. For others, a cost-effective alternative propeller (e.g., a high-quality aftermarket option) may be a more practical choice.

Details:

New old stock.

part #: rbx810 price

  • $35.00

specifications ouboaen:

  • for models: 110, Mariner, Mercruiser
  • for makes: Mercury
  • mpn: Rbx810
  • part type: Prop Hub

seller ouboaen:

  • rating: 98.7%
  • # reviews: 2566
  • city: Bensenville, Illinois

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offer ouboaen:

  • availability: In Stock
  • quantity: 1
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  • options: Ship-to-home
  • started: May 7, 2026

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  • transit: 4-7 Days
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general ouboaen:

  • Boat Parts > Outboard Engines Components > Other
  • condition: New
for models: 110, mariner, mercruiser, for makes: mercury, part type: prop hub,
category: boat parts > outboard engines components, sku: 23791274040641723,
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