B3 – Bravo III – Mercruiser (15.5 x 26″) Solas Front 4-Blade Propeller, 1654-155-26

Introduction
The B3 – Bravo III – Mercruiser (15.5 x 26″) Solas Front 4-Blade Propeller, part number 1654-155-26, is engineered to deliver high-speed performance and optimized efficiency for boats utilizing the Bravo III dual-prop drive system. Manufactured by Solas — a trusted name in marine propulsion — this premium stainless steel propeller is designed for superior control, smooth cruising, and exceptional durability in marine environments.
Whether you’re operating a performance cruiser, sport boat, or a heavy-duty offshore vessel, the Bravo III Mercruiser 15.5×26 Solas propeller offers a powerful upgrade for enhanced handling and fuel efficiency. Boaters looking to maximize thrust, reduce vibration, and glide across the water with ease will find this propeller to be the ideal solution.
Overview / What Is Bravo III Mercruiser 15.5×26 Solas Propeller for marine
The Bravo III Mercruiser 15.5 x 26” Solas Front 4-Blade Propeller is a high-performance stainless steel prop designed specifically for the front position in a dual contra-rotating Bravo III system. Its 15.5-inch diameter and 26-inch pitch configuration make it a top choice for experienced boaters looking for higher cruising speeds and smoother handling in offshore and coastal environments.
This propeller’s four-blade design enhances acceleration, grip, and maneuverability in tight spaces. The high pitch rating is suited for boats aiming for maximum speed potential while maintaining fuel efficiency, especially in mid-to-large marine vessels equipped with MerCruiser Bravo III drives.
Technical Advantages of the Solas 1654-155-26 Front Propeller
- Diameter & Pitch: 15.5″ x 26″ for high-speed applications
- Material: Made from corrosion-resistant stainless steel
- Blade Count: Four-blade design for optimal grip and acceleration
- Engineered For: Front installation on Bravo III dual-prop drives
- Performance: Improved top-end speed, enhanced control, reduced fuel burn
This configuration is perfect for performance-focused boaters who want speed without sacrificing responsiveness. The blade geometry is finely tuned to maximize the efficiency of MerCruiser’s dual-prop system, reducing cavitation and ensuring consistent power delivery.
Why Upgrade to a 15.5 x 26” Prop on Bravo III?
Upgrading to a 15.5 x 26” Solas front propeller offers significant benefits, especially if your current setup isn’t delivering desired speed or efficiency. Here are the main reasons to choose this size:
- Enhanced High-Speed Stability: Ideal for fast cruising and long-distance travel.
- Fuel Efficiency: Reduced engine strain at higher speeds improves MPG.
- Better Load Handling: Especially beneficial when towing or carrying heavy gear.
This propeller size is typically recommended for boats with higher horsepower engines and a demand for sustained top-speed performance.
How to Install the Bravo III 15.5×26 Solas Front Propeller
Installation of the Solas 1654-155-26 on the Bravo III drive is straightforward with the right tools and precautions. Follow these steps:
- Ensure the engine is off and remove the safety lanyard.
- Use a Bravo III-specific prop wrench to loosen and remove the front prop.
- Clean the shaft thoroughly and inspect for damage or wear.
- Apply a light coating of marine-grade grease to the prop shaft.
- Slide the new Solas propeller onto the shaft and tighten to specification.
Torque the prop nut correctly and double-check the locking mechanism before use. It’s always wise to consult your engine’s manual or have a marine mechanic assist for the first installation.
Maintenance Tips
Maintaining your Bravo III Mercruiser 15.5×26 Solas Front Propeller is essential for maximizing performance and extending its life. Follow these expert-approved tips:
- Rinse After Use: Especially important in saltwater environments. Remove salt, sand, and debris promptly.
- Check for Dings: Inspect blades for dents, chips, or bending before and after each trip.
- Lubricate Regularly: Apply marine grease to the prop shaft every 25–50 hours of use.
- Secure Mounting: Ensure the prop nut and cotter pin are tight and in place to avoid prop loss.
Neglecting maintenance can lead to poor performance, engine strain, or even damage to the Bravo III outdrive system.
Expert Advice and Pro Recommendations
Marine performance experts often recommend the 1654-155-26 propeller for advanced users looking to push the capabilities of their Bravo III system. It’s ideal for:
- Performance cruisers with higher RPM ranges
- Boats navigating long distances at higher average speeds
- Boaters wanting better fuel economy without losing top-end performance
Buy now: B3 – Bravo III – Mercruiser (15.5 x 26″) Solas Front 4-Blade Propeller, 1654-155-26 and use code WELCOME5 for an exclusive 5% discount.
Top Troubleshooting Tips for Solas Bravo III Propellers
If you’re facing unusual performance issues, these tips may help:
- Cavitation: Caused by bent blades or improper pitch. Inspect and replace if needed.
- Vibration: Could indicate an unbalanced prop or debris stuck around the hub.
- Poor Acceleration: Consider switching to a lower pitch or checking for engine performance issues.
Routine inspection and diagnostics go a long way in keeping your propulsion system in optimal shape.
Choosing Between 24” and 26” Pitch for Bravo III
One common dilemma is deciding between a 24″ and 26″ pitch Solas front prop. Here’s what you need to know:
- 24” Pitch: Provides more low-end torque and faster hole shot. Best for towing and quick acceleration.
- 26” Pitch: Offers greater top speed with slightly slower acceleration. Ideal for cruising and distance travel.
Your engine’s horsepower, boat size, and typical usage should guide your pitch choice. When in doubt, consult your OEM propeller chart or contact an expert via the chat feature on allboatsupplies.com.
Detailed FAQ Section
What type of boats is the Solas 1654-155-26 compatible with?
This front 4-blade Solas propeller is compatible with any vessel that uses a MerCruiser Bravo III outdrive system. It’s particularly effective for boats 24 to 36 feet in length, including performance cruisers, deep-V hulls, and multi-purpose sport boats. The 26” pitch makes it more suitable for higher-speed applications where top-end performance is prioritized over hole-shot acceleration.
Is stainless steel really better than aluminum for marine propellers?
Absolutely. Stainless steel propellers like the Solas 1654-155-26 offer superior strength, durability, and corrosion resistance. They maintain their shape better under stress, providing consistent performance even in harsh marine environments. While aluminum props are more affordable, they tend to wear out faster and are more prone to damage from debris or grounding.
Can I mix different brands for front and rear Bravo III props?
Technically yes, but it is highly recommended to use matching brands and models for front and rear Bravo III props to maintain proper pitch balance, rotational harmony, and performance consistency. Solas props are designed to work in tandem, and mixing brands can lead to inefficiencies, increased vibration, and potentially higher fuel consumption.
How do I know if I need to upgrade my propeller size or pitch?
If your engine is over-revving, struggling at cruise speed, or the boat feels sluggish during acceleration, your current propeller may not be optimal. Prop size and pitch have a significant impact on performance. You may also want to upgrade to a 26” pitch if you’ve added more horsepower or frequently operate at cruising speeds on open water. A prop scan service can also help diagnose if your current prop is damaged or underperforming.
What’s the lifespan of a Solas stainless steel propeller?
With proper care and maintenance, a Solas stainless steel propeller like the 1654-155-26 can last many seasons — often 5 to 10 years or more depending on frequency of use and environmental conditions. Avoid running aground, perform routine inspections, and keep the shaft lubricated to extend the life of your propeller significantly.
Conclusion
The Bravo III Mercruiser (15.5 x 26″) Solas Front 4-Blade Propeller, 1654-155-26 offers unmatched value for boaters seeking speed, efficiency, and durability. Designed for high-performance marine use, its stainless steel build and advanced blade design make it a top-tier choice for both recreational and commercial users. Whether you’re upgrading or replacing, this prop delivers exceptional performance that stands the test of time.
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