Rubex S3 (15.125 x 25″) Solas RH Propeller, 9561-151-25
Introduction
The Rubex S3 (15.125 x 25″) Solas RH Propeller, 9561-151-25 is a top-tier stainless steel propeller engineered to deliver high-performance thrust, efficiency, and durability for outboard marine engines. Designed by Solas and integrated with the Rubex interchange hub system, this right-hand rotating propeller is a favorite among boating professionals and marine enthusiasts who demand nothing short of precision on the water.
Whether you’re planning high-speed cruising or navigating tight waterways, the Rubex S3 ensures maximum propulsion and handling. With its 3-blade stainless steel construction and high rake design, it offers better hole shot, grip, and top-end speed, especially on performance boats and watercraft that require optimal lift and bite.
Overview / What Is Rubex S3 (15.125 x 25″) Solas RH Propeller?
The Rubex S3 9561-151-25 is part of Solas’ high-performance Rubex series of stainless steel propellers. It’s engineered to outperform aluminum counterparts, offering superior strength, corrosion resistance, and performance across a wide range of marine applications. This particular model features a 15.125” diameter and a 25” pitch, tailored for boats that prioritize top-speed capabilities while maintaining acceleration and fuel efficiency.
It fits with the Rubex Interchangeable Hub System, making it compatible with various outboard engine brands, including Yamaha, Mercury, Suzuki, and Honda. As a right-hand (RH) rotating propeller, it’s ideal for standard single-engine setups. It excels in rough conditions and when carrying heavy loads, all while delivering better cornering stability and minimal cavitation.
Key Technical Specifications
- Model: Rubex S3 9561-151-25
- Diameter: 15.125 inches
- Pitch: 25 inches
- Material: Stainless Steel (high-grade)
- Rotation: Right-hand (RH)
- Blades: 3-blade design
- Hub: Interchangeable Rubex Hub System
- Application: Outboard Marine Engines (performance class)
Benefits of Using the Rubex S3 Propeller for Marine Engines
This propeller is not just a component—it’s a performance upgrade. Here’s why:
- Exceptional Acceleration: The high rake angle and progressive pitch design help your boat get on plane faster.
- Top-End Speed: Designed for high-speed cruising, especially on performance or sport boats.
- Durability: Built from high-grade stainless steel, the prop resists corrosion in saltwater and freshwater environments.
- Fuel Efficiency: Optimized blade geometry reduces slippage, improving fuel economy on long hauls.
- Noise Reduction: Works with Rubex hubs for reduced vibration and smoother rides.
How to Install Rubex S3 (15.125 x 25″) Solas RH Propeller
Installing this propeller is straightforward with the Rubex Hub Kit. You’ll need a prop wrench, marine grease, and a torque wrench.
- Remove the cotter pin and propeller nut from your old propeller.
- Slide off the old propeller and clean the shaft thoroughly.
- Apply marine grease and insert the Rubex hub into the new S3 propeller.
- Slide the propeller onto the shaft and tighten using a torque wrench to manufacturer specifications.
- Reinstall the prop nut and cotter pin. Test rotation and ensure proper clearance.
Always refer to your engine manufacturer’s guidelines for torque specifications and compatibility.
Rubex S3 Propeller Troubleshooting Guide
Like any marine part, propellers can experience performance issues. Here are common problems and fixes:
- Cavitation: Caused by incorrect pitch or damage to blades. Solution: inspect for wear, switch to a higher-quality prop.
- Vibration: Often due to imbalance or worn hub. Use a Rubex Hub System to reduce vibration transmission.
- Sluggish Acceleration: Might indicate too high pitch. Drop pitch size or check for fouling on blades.
Routine inspection can prevent most issues and extend the propeller’s lifespan significantly.
Maintenance Tips
Keeping your Rubex S3 stainless steel propeller in top condition requires minimal but consistent maintenance. Here’s what you should do:
- Clean After Every Use: Especially after saltwater trips. Rinse with fresh water and dry.
- Grease the Prop Shaft: Use marine-grade grease every time you remove or reinstall the propeller.
- Inspect for Nicks or Cracks: Damage can affect performance or lead to catastrophic failure. Repair or replace as needed.
- Check Hub Condition: The Rubex interchangeable hub should be monitored for signs of wear or melting.
- Store Properly: If uninstalling for storage, wrap in cloth and keep in a dry, cool space.
Expert Advice and Pro Recommendations
If you’re seeking a high-performance stainless steel marine propeller that delivers consistent results across various conditions, the Rubex S3 (15.125 x 25″) Solas RH Propeller is the way to go. Its unique blade geometry and stainless steel strength make it an optimal fit for anglers, cruisers, and weekend boaters alike.
Rubex S3 (15.125 x 25″) Solas RH Propeller, 9561-151-25 is our top pick for performance boating in freshwater or saltwater. Use code WELCOME5 for 5% off your first order!
Detailed FAQ Section
Is the Rubex S3 9561-151-25 compatible with my outboard engine?
The Rubex S3 is compatible with most major outboard engine brands including Yamaha, Mercury, Honda, Suzuki, and others—provided you use the correct Rubex interchangeable hub kit. The universal hub design allows for easy matching and quick swaps without the need for separate propeller bodies for different engines. Always consult your engine manual or reach out to customer support to confirm exact compatibility with your engine model.
What’s the performance difference between stainless steel and aluminum propellers?
Stainless steel propellers like the Rubex S3 offer significantly better durability, top-end speed, and fuel efficiency. Unlike aluminum props, they resist flexing under load, which improves acceleration and reduces slippage. This translates into better hole shots, tighter cornering, and overall smoother operation—especially noticeable on high-speed and high-load applications. Although more expensive, stainless steel props have a longer service life, making them a cost-effective choice in the long term.
How do I choose the right pitch for my boat?
The ideal pitch depends on your boat’s weight, engine size, and how you use it. A higher pitch (like 25”) provides better top speed but slower acceleration, while a lower pitch offers quicker acceleration at the expense of speed. The Rubex S3 with a 25” pitch is best suited for performance boats or lighter boats aiming for higher top speeds. For heavily loaded boats or water sports, you may consider a 22” or 23” version instead. Use a tachometer to ensure your RPMs fall within your engine’s recommended range.
How often should I replace or service my propeller?
Propellers should be inspected visually every few outings and replaced when showing signs of excessive wear, nicks, bent blades, or hub deterioration. On average, a high-quality stainless steel propeller like the Rubex S3 can last 5–10 years with proper care. Replace the hub insert when performance issues like vibration or slippage occur. Keeping your prop shaft greased and blades clean will maximize longevity and reduce the risk of costly breakdowns.
What’s the difference between RH (right-hand) and LH (left-hand) rotation?
RH (right-hand) rotation propellers rotate clockwise when viewed from the rear. Most single-engine boats use RH props. LH (left-hand) propellers rotate counterclockwise and are generally used in dual-engine setups to balance torque. The Rubex S3 9561-151-25 is a RH propeller suitable for single-outboard marine engines. Installing the correct rotation is crucial for proper performance and steering response, so always verify your setup before purchasing.
Conclusion
The Rubex S3 (15.125 x 25″) Solas RH Propeller, 9561-151-25 is more than just a propeller—it’s a performance solution for marine professionals who want reliability, efficiency, and power. With advanced engineering, durable stainless steel construction, and compatibility across engine brands, it’s the ideal upgrade for any boater looking to push their vessel’s performance to the next level.
Whether you’re racing across open water or cruising inshore, this prop delivers consistent, powerful propulsion. Backed by the trusted name of Solas and available now at AllBoatSupplies, it’s a must-have addition for your marine engine setup.
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