fits make: Yamaha.

( Manufacturer Part Number: 17C15.5 ), ( Part Type: Propeller ), ( Warranty: 1 Year )
The **Yamaha 17C15.5 Saltwater Steel Propeller** is a high-performance, precision-engineered marine propeller designed to deliver exceptional efficiency, durability, and reliability for a wide range of saltwater applications, from recreational fishing boats and personal watercraft to mid-sized cruisers and performance boats. Crafted from **high-grade stainless steel (316 marine-grade)**, this propeller is engineered to withstand the harshest marine environments, including corrosive saltwater exposure, frequent impacts with debris, and the relentless demands of high-speed operation. The **17-inch diameter** provides a balanced blend of thrust and speed, making it ideal for boats in the 15 to 25 horsepower range, where optimal power transfer and fuel efficiency are critical. The **15.5-pitch** is carefully calibrated to maximize acceleration and top-end speed while minimizing cavitation and vibration, ensuring a smoother, quieter ride and prolonged engine life.
One of the standout features of the Yamaha 17C15.5 is its **optimized blade design**, which incorporates **hydrodynamic contours** to reduce drag and improve efficiency. The **four-blade configuration** strikes an ideal balance between thrust and maneuverability, allowing for precise control in tight spaces while maintaining strong forward momentum. The **stepped blade tips** enhance lift and reduce turbulence, further boosting performance without sacrificing durability. Additionally, the propeller s **smooth, polished finish** minimizes the buildup of barnacles and marine growth, reducing maintenance requirements and ensuring consistent performance over time.
Built to Yamaha s rigorous standards, this propeller is **fully compatible with Yamaha outboard motors**, offering seamless integration with the brand s advanced electronic controls and power management systems. Whether paired with a **Yamaha 115 HP, 150 HP, or 200 HP outboard**, the 17C15.5 delivers reliable acceleration, quick response, and exceptional handling, making it a favorite among anglers, boaters, and performance enthusiasts alike. Its **robust construction** ensures resistance to pitting, corrosion, and mechanical stress, while the **precision-machined blades** guarantee consistent performance even after prolonged use. For those seeking a propeller that combines **cutting-edge technology with uncompromising durability**, the Yamaha 17C15.5 Saltwater Steel Propeller is an outstanding choice proving that superior engineering can elevate every outing on the water.
### **Pros and Cons of buying a Yamaha 17C15.5 Saltwater Steel Propeller**
#### **Pros:**1. **Durability** The saltwater steel construction is designed to withstand the corrosive effects of saltwater, making it ideal for marine environments. This reduces the risk of premature wear or failure compared to aluminum or plastic props.
2. **Efficiency** The 17C15.5 pitch and diameter are optimized for Yamaha outboards, providing balanced performance for cruising, planing, and light to moderate towing. The design helps maintain speed and fuel efficiency in typical recreational boating conditions.
3. **Compatibility** This propeller is specifically engineered for Yamaha outboards, ensuring a precise fit and optimal performance with minimal tuning required. It s a direct replacement for the stock prop on many Yamaha models, reducing the need for customization.
4. **Reliability** Yamaha is a well-known brand with a reputation for quality, and their propellers are built to last with proper maintenance. The steel construction also resists bending or cracking better than softer materials under heavy loads.
5. **Versatility** The 17C15.5 pitch is suitable for a range of applications, including fishing, cruising, and light wakeboarding. It strikes a balance between acceleration and top-end speed, making it adaptable for different boating styles.
6. **Easier Maintenance** Steel props are simpler to clean and inspect compared to props with complex blades or coatings. Rust can be managed with regular saltwater rinses and anti-corrosion treatments.
7. **Better Handling in Rough Water** The design of this propeller helps reduce cavitation and vibration, which can improve ride comfort and reduce wear on the outboard s internal components over time.
---
#### **Cons:**1. **Higher Cost** Compared to aluminum or plastic props, steel props are more expensive upfront. While they last longer, the initial investment may be a deterrent for budget-conscious buyers.
2. **Weight** Steel is heavier than aluminum or composite materials. This can slightly reduce fuel efficiency due to the added weight, though the impact is usually minimal for most recreational boats.
3. **Potential for Rust** Despite being saltwater-rated, steel props can still rust if not properly maintained. Boaters in harsh saltwater environments must regularly clean and apply anti-corrosion treatments to prevent pitting or blade damage.
4. **Less Flexibility for Customization** If a boater wants to adjust the propeller for specific needs (e.g., higher speed or better towing), they may need to invest in a different pitch or diameter, which isn t always possible with a stock replacement prop.
5. **Potential for Cavitation Noise** In high-load situations (e.g., towing or aggressive planing), steel props can sometimes produce more noise due to cavitation. This is more noticeable in quieter prop designs but is generally manageable with proper tuning.
6. **Limited Lifespan in Extreme Conditions** While durable, steel props can degrade over time in extremely abrasive environments (e.g., boating in areas with high sediment or frequent grounding). In such cases, they may require more frequent replacement than expected.
7. **Installation Complexity** Replacing a propeller requires removing the outboard s lower unit, which can be a time-consuming process for inexperienced boaters. If not done carefully, it could lead to damage to the outboard s seals or bearings.
---
### **Conclusion:**The Yamaha 17C15.5 saltwater steel propeller is a **high-quality, durable, and reliable choice** for Yamaha outboard owners who prioritize longevity and performance in saltwater conditions. Its steel construction ensures resistance to corrosion, while its optimized pitch and diameter provide efficient power delivery for cruising, fishing, and light towing. However, the higher upfront cost, potential for rust if not maintained, and slightly heavier weight are factors to consider, particularly for boaters on a tight budget or in extreme marine environments.
For most recreational boaters who want a **long-term, low-maintenance propeller** that balances performance and durability, this is an excellent investment. If cost is a major concern or if the boat operates in unusually harsh conditions (e.g., frequent grounding or high sediment), exploring alternative materials (e.g., aluminum with corrosion-resistant coatings) or consulting a marine mechanic for a customized prop might be worth considering.
---
### **Recommendation:** **Buy the Yamaha 17C15.5 saltwater steel propeller if:**- You own a Yamaha outboard and want a direct, high-quality replacement.
- You prioritize durability and plan to keep the boat for several years.
- You re willing to invest in proper maintenance (regular cleaning, anti-corrosion treatments) to prevent rust.
- Your primary use involves cruising, fishing, or light towing where the prop s efficiency is well-suited.
**Consider alternatives if:**- You re on a tight budget and can t justify the higher cost of steel.
- Your boat operates in extremely abrasive conditions where even saltwater-rated steel may degrade quickly.
- You need a propeller with a different pitch for specialized tasks (e.g., high-speed planing or heavy towing), and a custom prop would be more appropriate.
**Final Verdict:** For the average Yamaha outboard owner, the 17C15.5 saltwater steel propeller is a **strong recommendation** due to its reliability, performance, and compatibility. With proper care, it will outlast cheaper alternatives and provide consistent power delivery.
15.5 pitch The Yamaha Saltwater Series II Stainless Steel Propeller is a high-quality marine propeller designed for outboard engines. Made by Yamaha, this propeller is built to last and withstand the harsh conditions of saltwater use. With a 1-year warranty, you can trust that this propeller will perform reliably and efficiently for your boat.