Description
15 1/2 X 18 A3r Prop for Yamaha | Boat Supply Store
This Michigan Wheel A3r propeller is engineered to deliver enhanced hole-shot acceleration and improved top-end speed for specific Yamaha outboard applications. Featuring a 15 1/2 inch diameter and an 18 inch pitch, this prop is constructed from durable stainless steel for long-lasting performance in saltwater and freshwater environments. It is ideal for boats requiring a balance of pulling power and cruising efficiency, such as offshore fishing platforms or performance-oriented runabouts operating in the Gulf of Mexico.
Key Features
- Optimized for superior hole-shot and top-end speed
- Durable stainless steel construction resists corrosion
- Precise 15 1/2 inch diameter for optimal blade surface area
- Efficient 18 inch pitch for effective power transfer
- Engineered for specific Yamaha outboard models
- Reduces cavitation and ventilation for smoother operation
- Provides improved fuel economy under load
- Designed for reliable performance in demanding conditions
Specifications
| Product Specifications | |
|---|---|
| Diameter | 15 1/2" |
| Pitch | 18" |
| Blades | 3 |
| Rotation | Right |
| Material | Stainless Steel |
| Hub Kit Required | Yes |
Who This Is For
Boaters seeking to maximize the performance and efficiency of their compatible Yamaha outboard engine. This propeller is best suited for owners who frequently tow water sports enthusiasts or operate their vessels at varying speeds and loads.
How It Compares
| Feature | 15 1/2 X 18 A3r Prop for Yamaha | Quicksilver |
|---|---|---|
| Diameter | 15 1/2" | 15 1/4" |
| Pitch | 18" | — |
| Blades | 3 | 4 |
| Material | Stainless Steel | Aluminum |
Common Concerns Answered
Will this propeller fit my outboard?
This propeller is designed for specific Yamaha outboard models. Please verify your engine's compatibility by checking the recommended propeller specifications for your particular model year. A hub kit may be required for installation.
How does a 3-blade prop compare to a 4-blade?
A 3-blade propeller like this one typically offers a higher top-end speed and better fuel efficiency at cruising speeds compared to a 4-blade, which generally provides superior hole-shot acceleration and grip.
Is this propeller suitable for saltwater use?
Yes, constructed from durable stainless steel, this propeller is engineered to withstand the corrosive effects of saltwater environments, ensuring longevity and consistent performance.
Frequently Asked Questions
What is the primary advantage of the A3r series propeller?
The A3r series is designed to offer a refined balance between acceleration and top-end speed, providing a versatile performance upgrade for compatible outboard engines.
Does this propeller include a hub kit?
No, a separate hub kit is required for installation. Please ensure you select the correct hub kit for your specific Yamaha outboard model.
What is the recommended engine horsepower range for this prop?
While not explicitly stated, props with this diameter and pitch are typically suited for mid-range to higher horsepower outboards, generally 90 HP and above, depending on boat hull design and weight.
How do I determine if the 18-inch pitch is correct for my boat?
The correct pitch depends on your boat's weight, hull type, and desired performance. An 18-inch pitch generally provides a good balance for cruising and moderate speed. Consult your boat's manual or a propulsion specialist for precise recommendations.
What maintenance is recommended for this stainless steel propeller?
Regularly inspect the propeller for nicks, dents, or corrosion. Clean it after use, especially in saltwater, and consider applying a marine-grade polish periodically to maintain its finish and performance.
