Rubex Hydro (13.125 x 20″) Solas RH Propeller, 9481-131-20

Introduction
The Rubex Hydro (13.125 x 20″) Solas RH Propeller, 9481-131-20 is a premium-grade stainless steel propeller designed for serious marine enthusiasts and professional boaters. Manufactured by Solas, a globally recognized leader in marine propulsion, this propeller is purpose-built to enhance speed, fuel efficiency, and overall handling. The right-hand (RH) rotation and finely engineered pitch make it a top choice for outboard engines in a variety of marine conditions.
Crafted for performance and endurance, this propeller belongs to the Hydro series, tailored for high-thrust performance and built to withstand the toughest conditions. Whether you’re cruising, fishing, or involved in watersports, this Solas RH Propeller promises a smoother, quieter, and more efficient ride. If you’re seeking top-tier durability and hydrodynamic efficiency, the Rubex Hydro is an outstanding option for your boat’s propulsion system.
Overview / What Is Rubex Hydro (13.125 x 20″) Solas RH Propeller?
The Rubex Hydro 13.125 x 20″ Solas RH Propeller is a stainless steel performance prop designed for outboard marine engines. Measuring 13.125 inches in diameter with a 20-inch pitch, it delivers the right balance between acceleration and top-end speed. The 9481-131-20 model is known for its anti-ventilation characteristics, resistance to cavitation, and superior thrust delivery at high RPMs.
It’s ideal for boaters looking to upgrade their OEM prop with a durable, high-performance alternative. The Solas Hydro propeller features precision-cast blades for optimum hydrodynamics and reduced drag. Thanks to its 3-blade design and RH rotation, it delivers tight cornering control, better mid-range cruise speed, and enhanced fuel economy.
Key Features of the Solas Hydro 13.125 x 20″ Propeller
- Constructed from high-polish stainless steel for corrosion resistance
- Right-hand (RH) rotation optimized for compatible outboard engines
- Designed for high-speed stability and smoother water penetration
- Replaces OEM props and fits various hub kits (Rubex Interchangeable Hub System)
- Balanced design ensures reduced vibration and engine stress
Applications and Compatibility
This propeller is compatible with a wide range of outboard motors including Yamaha, Mercury, Suzuki, Tohatsu, and Honda when paired with the appropriate Rubex hub kit. It performs exceptionally well with 90–140 HP engines and is recommended for deep-V boats, bowriders, center consoles, and fishing vessels that require robust acceleration and midrange efficiency.
The Rubex Hydro line is popular among recreational boaters and pros alike due to its interchangeable hub system, allowing users to switch between aluminum and stainless props with ease. It’s also ideal for boats that frequently encounter rough or saltwater environments due to its corrosion-resistant stainless steel design.
Performance Benefits of the Rubex Hydro Propeller
When installed correctly, the Rubex Hydro 13.125 x 20″ delivers noticeable performance gains, including:
- Faster hole shot and planing
- Better handling in turns
- Lower fuel consumption at cruising speeds
- Increased top-end speed potential
- Quieter and smoother operation
Because it’s made from stainless steel, this prop holds its form better at high speeds than aluminum counterparts, ensuring a consistent pitch under load and longer lifespan.
Maintenance Tips
To get the most out of your Rubex Hydro 13.125 x 20″ Solas RH Propeller, regular maintenance is essential. Here are some tips:
- Inspect the propeller blades regularly for nicks, bends, or corrosion. Even minor damage can affect performance and cause vibrations.
- Remove and grease the propeller shaft every 20–50 hours of operation to prevent shaft corrosion and seizing.
- Check for fishing lines or debris wrapped around the hub, which can damage the seals and lead to gearcase issues.
- Balance and alignment should be verified by a professional marine technician if you experience unusual vibration.
Proper care not only extends the life of your prop but also ensures you maintain optimal fuel efficiency and performance.
How to Install Rubex Hydro Propeller
Installing the Rubex Hydro propeller is a straightforward process, especially with the Rubex Interchangeable Hub Kit system. Follow these steps:
- Ensure the engine is off and in neutral position. Remove the existing propeller and keep the thrust washer in place.
- Install the Rubex hub kit into the new Solas RH propeller. The hub is pressed into the propeller barrel using a rubber mallet or press.
- Slide the new prop onto the prop shaft, ensuring alignment with the keyway and thrust washer.
- Secure with the prop nut and cotter pin. Torque to the manufacturer’s specifications.
Always consult your engine manual and follow OEM recommendations. A marine mechanic can help if you’re unsure of fitment or torque values.
Expert Advice and Pro Recommendations
If you’re looking for a balance between power and precision, the Rubex Hydro 13.125 x 20″ offers a robust solution for most outboard engines. Its premium build quality ensures long-term durability, even in harsh environments like saltwater or sandy riverbeds. Professionals often recommend this propeller for boats that require a precise mix of speed, agility, and fuel savings.
Boating pros suggest pairing it with the proper Rubex Hub Kit and ensuring the motor is tuned for optimal RPM range. Staying within the manufacturer’s recommended RPM range (typically 4800–5800 RPM for most 4-stroke outboards) ensures ideal performance.
Buy now: Rubex Hydro (13.125 x 20″) Solas RH Propeller, 9481-131-20 — and don’t forget to use code WELCOME5 for 5% off!
Detailed FAQ Section
What boats are best suited for the Rubex Hydro 13.125 x 20″ Solas RH Propeller?
This propeller is ideal for mid-size outboard-powered boats in the 90–140 HP range. Boats like bowriders, deep-V hulls, and center consoles benefit the most from the high-thrust capabilities and hydrodynamic efficiency of this propeller. The stainless steel build ensures superior performance in rough and saltwater conditions. Whether you’re water skiing or offshore fishing, this prop delivers the reliable performance your boat demands.
How does stainless steel improve propeller performance?
Stainless steel is significantly stronger than aluminum and resists flexing under load. This means the pitch remains consistent, even at high RPMs, resulting in improved speed, acceleration, and fuel economy. Additionally, stainless steel is more corrosion-resistant, making it a smart choice for saltwater environments where longevity is crucial. While it’s more expensive upfront, it typically lasts 3–5 times longer than aluminum props.
Can I use my existing hub kit with this propeller?
Only if your existing hub kit is a Rubex Interchangeable Hub System compatible with this propeller’s size and engine model. If you’re unsure, check your engine manual or consult with an expert before installation. Using the wrong hub can cause prop slippage, engine damage, or poor performance. Always match the hub to your engine make and model for optimal operation.
What performance differences can I expect compared to aluminum props?
Compared to aluminum props, the Rubex Hydro stainless steel version offers:
- Higher top speed due to reduced flex
- Faster planing and smoother acceleration
- Better fuel economy at mid-range cruising speeds
- Lower vibration and quieter operation
For boaters who demand high performance and durability, stainless steel is the clear winner, especially when long-term value is considered.
What’s the return and warranty policy for this propeller?
All Solas propellers, including the Rubex Hydro, come with a manufacturer’s limited warranty that protects against material defects and workmanship issues. AllBoatSupplies.com also offers a 30-day return window for unused products in original packaging. Be sure to retain your purchase receipt and original box to qualify for returns. For warranty issues, contact customer service or visit Solas’ website for claim instructions.
Conclusion
The Rubex Hydro (13.125 x 20″) Solas RH Propeller is a powerful and efficient solution for boaters who demand top-tier propulsion. With its robust stainless steel construction, precise pitch, and compatibility with various hub kits, this propeller enhances every aspect of your boating experience. It’s engineered for longevity, performance, and fuel efficiency—making it a smart investment for both recreational and professional mariners. Whether you’re cruising coastal waters or slicing through waves offshore, this Solas propeller delivers with precision.
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