Detailed Photos
Installation Instructions
Product Description
63V-45947-00-EL
Propeller (3X9-1/4"x8"-J), Yamaha,
For Outboard: Yamaha 9.9, Yamaha F9.9, Yamaha F13.5, Yamaha 15, Yamaha F15, Yamaha F8
63V-45947-00-00
Propeller (3X9-1/4"x8"-J), Yamaha,
For Outboard: Yamaha 9.9, Yamaha 15
63V-45947-01-EL
Propeller (3X9-1/4"x8"-J), Yamaha,
For Outboard: Yamaha 9.9, Yamaha F9.9, Yamaha F13.5, Yamaha 15, Yamaha F15
Features:
| 1. Blade Design and Shape: Yamaha propellers come in various shapes (3-blade, 4-blade) and pitches to suit different boating needs, balancing acceleration, top speed, and fuel efficiency. |
| 2. Hydrodynamic Efficiency: These propellers are engineered for hydrodynamic efficiency, meaning they cut through the water with minimal resistance for smoother operation and greater fuel efficiency. |
| 3. Shock Absorbing Hub: Many Yamaha propellers have a shock-absorbing hub, which reduces engine vibrations and absorbs impacts from underwater obstacles, protecting the drivetrain. |
| 4. Ventilation Control: Yamaha propellers are often designed with specific exhaust ventilation features to improve acceleration and control, especially during rapid shifts from idle to high RPMs. |
| 5. Corrosion Resistance: Most Yamaha propellers are designed for saltwater environments with corrosion-resistant finishes that prolong their life in marine conditions. |
Functions:
| 1. Provides Thrust for Propulsion: The propeller's primary function is to generate thrust by spinning in the water, propelling the boat forward or in reverse. |
| 2. Determines Speed and Efficiency: The propeller's pitch, diameter, and blade number directly impact speed, fuel efficiency, and handling, influencing how the boat performs at different RPMs. |
| 3. Controls Direction: The propeller assists with directional control, especially in tandem with the steering system, making it a critical element for navigation. |
| 4. Manages Power Load: By creating the appropriate water resistance, the propeller manages the engine's power load, allowing for safe and efficient acceleration without straining the engine. |
Maintenance Tips:
| 1. Inspect for Damage Regularly: Look for nicks, dents, or bends in the blades. Even minor damage can affect performance and fuel efficiency, so repair or replace damaged propellers promptly. |
| 2. Check for Proper Mounting: Ensure the propeller is securely mounted and that all fasteners are tight. A loose propeller can affect balance and performance. |
| 3. Lubricate the Prop Shaft: Periodically remove the propeller and apply a marine-grade grease to the prop shaft to prevent it from seizing up due to rust or debris. |
| 4. Clean and Rinse After Saltwater Use: After each outing, especially in saltwater, rinse the propeller thoroughly to remove salt and debris, preventing corrosion and buildup. |
| 5. Monitor for Fishing Line or Debris: Check for fishing line or other debris that can get caught around the prop shaft, which can damage seals and lead to leaks. |
Common Signs of Wear or Failure:
| 1. Vibration or Excessive Noise: Unusual vibration or noise during operation could indicate a bent or damaged propeller blade, affecting performance and balance. |
| 2. Decreased Acceleration or Speed: If the boat struggles to accelerate or reach its normal top speed, it may indicate that the propeller has been damaged or is not the correct pitch. |
| 3. Poor Fuel Efficiency: Reduced fuel efficiency can result from worn or improperly matched propellers that create excess drag or lack optimal hydrodynamics. |
| 4. Propeller Slipping or Cavitation: Cavitation (bubbles forming around the propeller) can happen due to damaged blades or poor water flow, leading to reduced thrust and performance. |
| 5. Excessive Engine Strain: If the engine revs higher than usual without corresponding boat speed, it could mean the propeller pitch is mismatched or the propeller has excessive wear. |
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PROPELLER (3X9-1/4"X8"-J) PROPELA (3X9-1/4"X8"-J) |
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| 63V-45945-10-EL |
PROPELLER (3X9-1/4"X9"-J1) PROPELA (3X9-1/4"X9"-J1) |
| 63V-45947-00-EL |
PROPELLER (3X9-1/4"X8"-J) PROPELA (3X9-1/4"X8"-J) |
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| 663-45954-01-EL |
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