B3 – Bravo III – Mercruiser (15.5 x 26″) Solas Front 4-Blade Propeller, 1654-155-26
Introduction
If you’re looking to maximize the performance and reliability of your MerCruiser engine, the B3 Bravo III Solas 4-Blade Propeller (15.5 x 26″) is one of the best upgrades you can make. Designed for optimal thrust, precision handling, and long-term durability, this stainless steel propeller—model 1654-155-26—is a perfect match for Bravo III outdrives. Whether you’re a recreational boater or a marine professional, this propeller delivers unmatched efficiency and power, making it a top choice for serious boaters.
In this detailed guide, we’ll explore everything you need to know about the B3 Bravo III Mercruiser Solas Front 4-Blade Propeller, including its benefits, installation advice, expert maintenance tips, troubleshooting, and buyer insights. If you’re in the market for a high-performance propeller for marine use, this is your definitive resource.
Overview / What Is B3 Bravo III Solas 4-Blade Propeller for marine
The B3 Bravo III Solas 4-Blade Propeller (15.5 x 26″) is a premium stainless steel front propeller designed specifically for Bravo III dual-prop stern drives by MerCruiser. Engineered by Solas, a leader in marine propulsion systems, this prop features four blades and a 26″ pitch, allowing for exceptional acceleration, fuel efficiency, and overall performance on the water.
Its stainless steel construction resists corrosion in both freshwater and saltwater environments, while the 4-blade design enhances grip in the water, improving handling and minimizing cavitation during high-speed maneuvers. The front propeller works in conjunction with a rear propeller in a counter-rotating dual-prop setup, ensuring smooth forward movement and better control even in rough conditions.
Key Specifications and Features
- Model: 1654-155-26
- Size: 15.5 x 26″
- Material: Polished Stainless Steel
- Blades: 4-Blade Front Propeller
- Compatibility: MerCruiser Bravo III Outdrives
- Category: Propulsion > Propellers > Outboard > B3 Bravo III
How to Install the B3 Bravo III Solas Propeller
Installing the B3 Bravo III Solas 4-Blade Propeller is straightforward for most marine professionals and intermediate DIY boat owners. However, precision is essential. Always consult your engine’s service manual before proceeding.
- Remove the existing front propeller using a prop wrench. Ensure the engine is off and the ignition key is removed.
- Inspect the propeller shaft for signs of wear, damage, or corrosion. Clean it thoroughly before proceeding.
- Apply marine grease to the prop shaft to ensure smooth installation and easier removal in the future.
- Align the new Solas propeller and slide it onto the shaft. Insert the thrust washer and tighten the nut with the manufacturer-recommended torque.
- Secure with cotter pin if required, and double-check your installation before launching.
Tip: Pair this front prop with the correct rear Solas prop for optimal performance and compatibility with Bravo III outdrives.
Advantages of Using a 4-Blade Propeller for Marine Performance
The 4-blade design of the Solas propeller provides several advantages over 3-blade models, particularly for marine engines used in diverse conditions:
- Improved Acceleration: More blade surface means better “bite” into the water, leading to quicker plane times.
- Enhanced Handling: Especially during tight turns or when towing, you’ll experience greater control.
- Reduced Cavitation: Cavitation can damage your prop and lower efficiency. Four blades reduce the chance significantly.
- Better for Heavier Boats: More blades provide improved thrust, especially beneficial for large boats or those carrying heavy loads.
For those asking “what is the best propeller for Bravo III engines?” — the B3 Bravo III Solas 4-Blade is consistently a top-rated choice among marine experts.
Maintenance Tips
Maintaining your B3 Bravo III Solas 4-Blade Propeller ensures it continues delivering peak performance and prevents premature wear or damage. Follow these expert maintenance steps:
- Rinse with Fresh Water: After every saltwater trip, rinse the propeller thoroughly to remove salt and prevent corrosion.
- Check for Damage: Regularly inspect for nicks, cracks, or bent blades. Even small imperfections can affect performance.
- Re-grease the Shaft: Remove the prop every few months and apply fresh marine grease to prevent rust and seizing.
- Balance Inspection: Ensure your propeller is properly balanced. Unbalanced props can cause vibration and damage to the drive shaft.
Propeller Performance: Speed, Fuel Economy, and Load Handling
Performance tests of the B3 Bravo III Solas 4-Blade Propeller (15.5 x 26″) show substantial improvements in handling, especially at mid-range RPMs. Users report up to a 10% boost in fuel economy thanks to efficient blade geometry, which reduces drag and helps your engine run smoother.
This propeller is especially well-suited for applications involving:
- Towing watersports gear like wakeboards or inflatables
- Heavy-load cruising or transporting cargo
- Choppy or offshore conditions where control is critical
Expert Advice and Pro Recommendations
Marine technicians and boating professionals consistently recommend the B3 Bravo III Solas 4-Blade Propeller (15.5 x 26″) for its durability, balance, and unmatched performance in both freshwater and saltwater conditions. When paired correctly with the rear prop, users often experience smoother acceleration, steadier idle control, and higher overall engine efficiency.
For a reliable upgrade or replacement propeller that meets OEM standards but outperforms in quality and value, this Solas model is an excellent investment.
Buy now: B3 – Bravo III – Mercruiser (15.5 x 26″) Solas Front 4-Blade Propeller, 1654-155-26 — and use code WELCOME5 for 5% off.
Detailed FAQ Section
How do I know if the B3 Bravo III Solas 4-Blade Propeller fits my boat?
This propeller is specifically designed for MerCruiser Bravo III outdrives. If your stern drive is Bravo III, and your current front prop is 15.5 x 26″, this Solas model (1654-155-26) is likely a direct fit. However, always confirm your current prop size and pitch by checking the stamped specs on your existing blade. Consult your owner’s manual or a marine technician for compatibility if unsure.
Can I use this 4-blade propeller in saltwater?
Yes! The B3 Bravo III Solas propeller is made from polished stainless steel, which resists rust and corrosion in saltwater environments. However, post-trip care is essential. Always rinse your propeller thoroughly with fresh water and periodically apply marine-grade grease to moving components to extend its life and maintain performance.
What are the benefits of switching from a 3-blade to a 4-blade propeller?
Switching to a 4-blade propeller like this Solas model offers better acceleration, stability, and handling—especially under heavy loads or in rough water. While top speed might decrease slightly, the gain in low-end torque, fuel economy, and reduced cavitation make it a worthwhile trade-off for most recreational and utility boaters.
How often should I inspect or replace my Bravo III propeller?
Inspect your propeller at least once a month during boating season. Look for dings, bends, or corrosion. If you hit a submerged object or notice excessive vibration, remove and inspect it immediately. With proper maintenance, a high-quality stainless steel prop like the B3 Bravo III Solas can last 5–10 years or longer.
Is it hard to install the B3 Bravo III Solas prop myself?
Installation is relatively simple for anyone with basic mechanical skills and the right tools (prop wrench, marine grease, torque wrench). The Bravo III system uses a front and rear prop, so ensure you have both components if replacing a full set. If in doubt, it’s worth consulting a marine technician to ensure proper alignment and torque values.
Conclusion
The B3 Bravo III Solas 4-Blade Propeller (15.5 x 26″) delivers exceptional performance, durability, and value for any MerCruiser Bravo III setup. With improved grip, enhanced acceleration, and stainless steel resilience, it’s an upgrade worth every penny. Whether you’re towing, cruising, or cutting through choppy waters, this prop is engineered to perform. Don’t forget to maintain it properly and match it with a compatible rear prop for best results.
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