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Rubex C4 (11.5 x 14″) Solas RH Propeller, 9333-115-14




Rubex C4 (11.5 x 14

Introduction

The Rubex C4 (11.5 x 14″) Solas RH Propeller, 9333-115-14 is a high-performance stainless steel propeller that blends efficiency, power, and durability for small to mid-sized marine engines. Ideal for boating enthusiasts who demand superior handling, speed, and thrust, this 4-blade right-hand prop is part of the premium Solas Rubex 4 Stainless Steel Propellers range. Its expertly engineered design offers quick acceleration, stable cruising, and optimal fuel economy across various boating conditions.

Crafted with corrosion-resistant stainless steel, this propeller is compatible with many popular outboard engine brands. Whether you’re cruising inland lakes or navigating coastal waters, the Rubex C4 propeller provides a smoother, quieter ride and reliable propulsion for your boat.

Overview / What Is Rubex C4 (11.5 x 14″) Solas RH Propeller?

The Rubex C4 propeller is a 4-blade, 11.5-inch diameter, 14-inch pitch right-hand rotating propeller designed to deliver better acceleration and midrange performance. Part of Solas’s Rubex 4 series, this model provides excellent grip, enhanced maneuverability, and improved cavitation resistance.

This propeller features an interchangeable hub system for easier replacements, reduced vibrations, and better gear case protection. It’s especially effective for aluminum and fiberglass boats using outboards in the 40–90HP range. With its precise blade geometry and robust build, the Rubex C4 gives you control and power when it matters most.

Benefits of Using a 4-Blade Propeller on Small to Mid-Size Boats

Many boaters ask whether it’s worth upgrading to a 4-blade propeller—and the answer is a resounding yes, especially for vessels focused on performance and reliability. The Rubex C4 propeller marine offers these key benefits:

  • Faster hole shot: The boat gets on plane quicker thanks to the additional blade surface area.
  • Smoother handling: Especially when navigating choppy waters or executing tight turns.
  • Stable cruising: Maintains smoother RPMs during medium- and high-speed runs.
  • Better low-speed control: Ideal for fishing or docking maneuvers.

Whether you’re new to boating or a seasoned marine pro, upgrading to a 4-blade like the Rubex C4 helps reduce engine strain and enhance your boating experience.

How to Install the Rubex C4 Propeller

Installing the Rubex C4 (11.5 x 14″) Solas RH Propeller is a straightforward task, especially when paired with a compatible Rubex hub kit. Here’s a step-by-step overview:

  1. Remove the existing propeller and thoroughly clean the shaft.
  2. Insert the Rubex hub into the C4 propeller body as instructed.
  3. Slide the assembly onto the propeller shaft of your outboard motor.
  4. Secure it with the included hardware—thrust washer, nut, and cotter pin.
  5. Torque the nut to manufacturer specifications and test run your boat.

Note: Always refer to your engine manual or seek expert advice if you’re unsure about fitment or torque settings.

Maintenance Tips

Maintaining your Rubex C4 propeller marine ensures its long life and consistent performance. Follow these essential tips to keep it in top condition:

  • Rinse after use: Especially after saltwater trips, to avoid corrosion.
  • Inspect regularly: Check for blade cracks, chips, or signs of wear every 10–15 hours of use.
  • Use marine grease: On the shaft and spline to avoid seizing and rust buildup.
  • Remove fishing line: Debris wrapped around the shaft can damage seals and gear cases.
  • Check torque settings: After every few trips, ensure your prop nut remains tightened.

Routine maintenance not only prolongs propeller life but also improves overall engine health and fuel efficiency.

Performance Analysis: Acceleration, Cruise & Top Speed

The Rubex C4 propeller is optimized for quick acceleration, superior bite, and efficient cruising speeds. The 4-blade design delivers faster planing with less engine strain, making it perfect for water sports, fishing, or casual cruising. Compared to standard 3-blade aluminum props, the C4 offers better grip and reduces slippage in heavy loads or rough water conditions.

In multiple field tests, boaters using the Rubex C4 noted:

  • Up to 15% faster hole shot performance
  • Improved fuel consumption at mid-range RPMs
  • Smoother handling with reduced steering torque

This makes the C4 an ideal choice for performance upgrades on 40–90HP outboard-powered boats.

Expert Advice and Pro Recommendations

Marine technicians and boat dealers alike recommend the Rubex C4 (11.5 x 14″) Solas RH Propeller for boaters looking to improve acceleration, low-speed control, and fuel economy. It’s particularly effective for aluminum and lightweight fiberglass boats used in lakes, rivers, and near-coastal zones. Its 4-blade design improves balance and reduces vibration, ensuring a smooth ride even in less-than-ideal conditions.

Buy now: Rubex C4 (11.5 x 14″) Solas RH Propeller, 9333-115-14 and get 5% off using the code WELCOME5 at checkout!

Detailed FAQ Section

What boats and engines are compatible with the Rubex C4 propeller?

The Rubex C4 (11.5 x 14″) is compatible with 40HP to 90HP outboard motors from leading brands like Yamaha, Honda, Mercury, Suzuki, and Evinrude. It suits lightweight boats such as fishing boats, skiffs, pontoons, and inflatables. To ensure proper compatibility, use the correct Rubex hub kit for your engine’s spline and shaft size. Always double-check your owner’s manual or consult a marine parts expert before purchase.

How to properly maintain the Rubex C4 propeller?

Routine maintenance involves rinsing the propeller after each use, especially in saltwater. Periodically remove the prop to check for fishing line, and apply marine-grade grease to the shaft. Also inspect for physical damage like chips or bends. Keeping your propeller clean and rust-free ensures better performance and protects your engine’s lower unit from damage. For seasonal storage, remove the prop and store it in a dry, rust-proof location.

What makes the Rubex C4 different from a 3-blade aluminum propeller?

The Rubex C4 has four stainless steel blades, which offer better grip, smoother acceleration, and longer lifespan than 3-blade aluminum props. While aluminum props are lighter and cheaper, they are more prone to damage and may not deliver the same level of performance. The C4 is more durable, provides a better hole shot, and maintains speed more efficiently—especially useful in watersports and fishing applications.

How much does the Rubex C4 propeller cost and is it worth it?

Priced competitively for a stainless steel propeller, the Rubex C4 offers outstanding long-term value. While it may cost more upfront than aluminum options, its durability and performance translate into cost savings over time. Less frequent replacement, better fuel economy, and enhanced maneuverability make it a worthwhile upgrade for serious boaters. Use coupon WELCOME5 to save 5% at checkout!

Can I install the Rubex C4 myself, or do I need a mechanic?

Most boaters can install the Rubex C4 propeller themselves using basic tools. As long as you have the correct Rubex hub kit, the installation takes about 10–15 minutes. Simply follow the hub kit’s instructions, secure the prop with the included hardware, and torque the nut as recommended. If you’re unsure or uncomfortable with prop installations, consult a marine technician or local boat shop for assistance.

Conclusion

The Rubex C4 (11.5 x 14″) Solas RH Propeller, 9333-115-14 offers a powerful upgrade for small to mid-sized boats. Whether you’re looking for better fuel efficiency, faster planing, or smoother maneuvering, this propeller delivers it all. Made from marine-grade stainless steel and engineered for top-tier performance, it’s a long-term investment that pays off in durability and control. From fishing to cruising, the Rubex C4 is the reliable prop that gets the job done—every time.

Special Offer

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For more helpful marine maintenance guides, check out our article on Rubex HR4 (14.125 x 18″) Solas LH Propeller, 9554-141-18.