Amita 3 – Evinrude/Johnson/OMC (14.3 x 21″) Solas RH Propeller, 2511-143-21

Introduction
The Amita 3 – Evinrude/Johnson/OMC (14.3 x 21″) Solas RH Propeller, 2511-143-21 is a top-tier choice for marine enthusiasts looking to enhance performance, fuel efficiency, and thrust on the water. Built by Solas, a global leader in marine propulsion technology, this aluminum propeller is engineered for compatibility with a wide range of outboard and stern drive engines from Evinrude, Johnson, and OMC. It offers a right-hand rotation with a diameter of 14.3 inches and a pitch of 21 inches, making it ideal for medium to high-speed boating scenarios.
If you’re searching for the best marine propeller upgrade, the Amita 3 delivers impressive strength, corrosion resistance, and cost-effectiveness — all critical factors for avid boaters and weekend cruisers alike.
Overview / What Is Amita 3 Marine Propeller
The Amita 3 marine propeller is an expertly crafted three-blade propeller made from high-quality aluminum using Solas’s proprietary squeeze-casting technology. This ensures better density, uniformity, and longevity compared to traditional casting methods. It is specifically designed for Evinrude/Johnson/OMC outboard and stern drive engines, accommodating horsepower ranges from 90 to 140 HP depending on model compatibility.
This propeller is ideal for marine operators seeking a reliable and cost-effective replacement without sacrificing performance. The right-hand rotation and 21” pitch offer faster acceleration, excellent mid-range control, and stable top-end speed.
Key Specifications & Benefits of Amita 3 – 14.3 x 21″ Solas RH Propeller
- Model Number: 2511-143-21
- Diameter: 14.3″
- Pitch: 21″
- Blades: 3
- Material: Aluminum (squeeze-cast)
- Rotation: Right-Hand
- Compatible with: Evinrude, Johnson, OMC
Designed for durability and thrust efficiency, this propeller is corrosion-resistant, making it suitable for both freshwater and saltwater environments. Its easy installation makes it a popular DIY upgrade for boat owners.
Performance Advantages of Amita 3 for Outboards
The Amita 3 Solas propeller is known for its superior handling and lift. The three-blade design provides excellent bow lift, enhanced fuel economy, and smoother acceleration. Whether you’re navigating coastal waters or venturing offshore, this propeller maintains stability in moderate wave conditions and delivers reliable performance during extended cruising.
When compared to stainless steel props, the aluminum Amita 3 offers great value with only a minor compromise in efficiency. Its cost-effectiveness makes it ideal for recreational and semi-professional boaters who prioritize budget without compromising durability.
How to Install Amita 3 Propeller for Marine Use
Installing the Amita 3 propeller is straightforward and can be completed with basic tools:
- Remove the old propeller by securing the shaft and loosening the nut with a prop wrench.
- Inspect and clean the propeller shaft, ensuring no fishing line or debris is stuck.
- Grease the shaft with marine lubricant to prevent corrosion and ease future removal.
- Slide the new Amita 3 propeller into place, aligning it with the splines.
- Reinstall the washer and nut, and torque it to the manufacturer’s specs.
This user-friendly process can be done dockside, and you’ll immediately notice improved handling and throttle response once underway.
Maintenance Tips
To ensure optimal longevity and performance of your Amita 3 propeller, follow these maintenance practices:
- Rinse after every use: Always rinse your propeller with fresh water after boating in saltwater to reduce corrosion risks.
- Inspect regularly: Check for nicks, bends, or cracks, especially if you’ve hit debris or bottomed out.
- Grease the shaft: Prevent propeller seizure by applying marine-grade grease to the shaft at regular intervals.
- Balance and alignment: If you notice vibration or poor acceleration, check the propeller for balance and proper fitment.
With these simple steps, your aluminum marine propeller can last multiple seasons with minimal wear.
Expert Advice and Pro Recommendations
Marine professionals recommend the Amita 3 14.3 x 21” RH propeller for boaters needing fast planing and improved mid-range performance. It’s especially suited for mid-sized fishing boats, ski boats, and runabouts. If you’re upgrading from a 19” pitch and your boat engine has excess RPM, this 21” pitch model will reduce engine strain while improving top-end speed.
Buy now: Amita 3 – Evinrude/Johnson/OMC (14.3 x 21″) Solas RH Propeller, 2511-143-21 and use code WELCOME5 to get 5% off your purchase.
Cost and Durability of Amita 3 Marine Propellers
The aluminum construction ensures excellent resistance against corrosion, especially with Solas’s advanced powder coating finish. In terms of cost, the Amita 3 is considerably more affordable than stainless-steel props, yet offers comparable performance for recreational boating.
This propeller is built to withstand impacts with minor debris and sandbars, making it ideal for shallow or inland water use. It typically lasts 3–5 seasons with proper maintenance, making it a smart investment for any boater.
Amita 3 Troubleshooting Guide
If you’re experiencing issues such as cavitation, vibration, or lack of acceleration, the following tips may help:
- Check for debris: Fishing line or seaweed around the shaft can reduce efficiency.
- Inspect for damage: Nicks or bent blades may require repair or replacement.
- Ensure proper fit: A loose or misaligned propeller hub can cause excessive vibration.
Most issues can be diagnosed visually or by listening to changes in engine performance. Keep a backup prop onboard for emergencies.
Detailed FAQ Section
What engines are compatible with the Amita 3 14.3 x 21″ Solas RH Propeller?
The Amita 3 – 2511-143-21 model is compatible with a wide range of Evinrude, Johnson, and OMC outboards and stern drives, particularly those in the 90–140 HP range. It fits motors with a standard 13-tooth spline, making it an ideal fit for many two-stroke and four-stroke engines manufactured after the early 1980s. Always verify your engine’s shaft specs and gear ratio before selecting a propeller to ensure perfect fitment.
How does the Amita 3 perform in saltwater vs. freshwater?
Thanks to its corrosion-resistant aluminum and advanced powder coating, the Amita 3 performs reliably in both freshwater and saltwater environments. While saltwater can be more corrosive, regular rinsing and maintenance ensure long-lasting performance. It’s built to handle temperature fluctuations, salinity, and minor impacts without losing structural integrity, making it a versatile prop for coastal or inland boating.
What’s the difference between pitch and diameter in a marine propeller?
Pitch refers to how far the propeller will move the boat in one revolution, assuming no slippage, while diameter is the width of the circle made by the blade tips. A higher pitch like 21” results in more speed but less acceleration, ideal for cruising and efficiency. The 14.3” diameter of the Amita 3 helps ensure a balanced performance between acceleration and stability. Choosing the correct pitch and diameter is critical to maximizing your engine’s performance.
Can I replace my stainless steel propeller with the Amita 3 aluminum propeller?
Yes, you can replace a stainless steel prop with an aluminum one like the Amita 3, especially for recreational and budget-focused use. While stainless props are stronger and offer slightly better efficiency, the Amita 3 offers exceptional performance at a lower cost. However, it’s essential to match pitch and diameter to avoid performance drops. The Amita 3 is a great solution if you’re seeking a spare or a seasonal upgrade.
Is professional installation required for the Amita 3 propeller?
Not necessarily. The Amita 3 propeller is designed for straightforward DIY installation. Most boaters with basic tools and mechanical understanding can replace their propeller in under 30 minutes. However, professional installation is recommended if you notice any damage to the shaft or propeller housing. For optimal results, follow manufacturer torque specs and regularly check the propeller for wear or vibration post-installation.
Conclusion
Whether you’re upgrading your boat’s propulsion system or replacing a worn-out prop, the Amita 3 – Evinrude/Johnson/OMC (14.3 x 21″) Solas RH Propeller, 2511-143-21 offers the perfect balance of performance, durability, and value. It’s crafted with care to meet the needs of today’s recreational boaters and is backed by the trusted Solas brand. Reliable, efficient, and easy to install, this aluminum propeller is a go-to solution for optimizing your boating experience.
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For more helpful marine maintenance guides, check out our article on Amita 3 – Evinrude/Johnson/OMC (15 x 15″) Solas RH Propeller, 2511-150-15.