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This manual provides essential information for the installation, operation, and maintenance of your Misakomo 13 1/4 x 17 Pitch Aluminum Outboard Boat Propeller, model 48-77344A45. Engineered for efficiency and reliability, this propeller is designed to enhance your boat's performance, offering smoother rides and improved handling. It is constructed from high-quality, corrosion-resistant aluminum with forged 3-blades for optimal propulsion and fuel efficiency.

Misakomo 13 1/4 x 17 Propeller (48-77344A45) with included 835257Q1 Flo-Torq II Hub Kits, displayed next to a boat on water.
Vídeo: Un overview of the Aluminum Outboard Propeller for Mercury Engines, highlighting its features and benefits.
Especificacions
| Característica | Detall |
|---|---|
| Número de peça d'intercanvi | 48-77344A45 |
| Diàmetre | 13.25 inches (13 1/4") |
| Pitch | 17 polzades |
| Spline Tooth | 15 |
| Nombre de fulles | 3 |
| Material | Aliatge d'alumini |
| Color | Negre |
| Rotació | Right Hand (RH) - Standard Rotation |
| Hub Kit Included | Flo-Torq II Hub Kit (835257Q1) |

Diagram illustrating the key dimensions and features of the Misakomo Propeller.
Compatibilitat del motor
This propeller is designed for a broad range of outboard motors with a 4-1/4" Gearcase. Please verify your engine's specifications for proper fitment.
Compatible Mercury/Mariner Engines:
- Mercury 40/50hp (4 stroke/bigfoot) all years
- Mercury 60hp (Sea Pro/Marathon) 1995-UP
- Mercury 65hp (Model 650-4 Cyl) 1961-1970, 65hp (Model 650-2 Cyl) -1971
- Mercury 70hp 1987-1989
- Mercury 75hp (2&4 stroke) 1984-UP, 75hp (Sea Pro/Marathon) All years
- Mercury 80hp 1978-1989, Mariner 80hp 1978-1983, Yamaha 80hp 1977-1983, 80hp (Model 800-2&4 Cyl) 1972-1977
- Mercury 80hp (Model 850-2&4 Cyl) 1972-1977
- Mercury 90hp (2&4 stroke) 1978-UP, 100hp 1988-UP, 115hp (2&4 stroke) 1978-UP, 125hp 1994-UP
- Mercury 140hp (Sea Pro/Offshore) 1978-1981
Compatible Force Engines:
- Force 75hp 1999-UP
- Force 90/120/150hp 1995-UP

Visual guide to engine compatibility for the Misakomo Propeller.
Guia d'instal·lació
The Misakomo outboard propeller comes with the 835257Q1 Flo-Torq II hub kit, which includes all necessary components for installation. Ensure you have the correct diameter, pitch, rotation, OEM number, engine year, and HP for your specific engine before proceeding.
Components of Flo-Torq II Hub Kit:
- Forward thrust washer
- Inner hub
- Aft drive adaptor
- Rentadora de pestanyes
- Femella de l'hèlix

The Flo-Torq II Hub Kit components included with the propeller.
Instal·lació pas a pas:
- Remove the existing prop nut, tab washer, and forward thrust washer.
- Install the forward thrust washer.
- Insert the inner hub into the propeller.
- Slide the propeller onto the prop shaft and insert the aft drive adaptor.
- Slide on the tab washer.
- Install the prop nut.
- Insert a tool or object to prevent the shaft from spinning, then tighten the prop nut securely.

Detailed diagram illustrating the propeller installation process.
Video demonstrating the installation of the 13 1/4 x 17 (48-77344A45) propeller and its included hub kits on a Mercury engine.
Funcionament
Once installed, the Misakomo propeller is designed to provide strong thrust and improve speed for your vessel. Always ensure the propeller is securely fastened and free from obstructions before operating your boat. Regular checks of the propeller's condition are recommended to maintain optimal performance and safety.

Image highlighting the powerful and stable propulsion provided by the propeller.
Manteniment
To ensure the longevity and optimal performance of your aluminum propeller, follow these maintenance guidelines:
- Inspecció periòdica: Periodically inspect the propeller for any signs of damage, such as bends, cracks, or nicks. Even minor damage can affect performance and lead to further issues.
- Neteja: After each use, especially in saltwater, rinse the propeller with fresh water to remove salt, debris, and marine growth. This helps prevent corrosion.
- Emmagatzematge: When storing your boat for extended periods, remove the propeller, clean it thoroughly, and store it in a dry, protected area.
- Lubricació: Apply marine-grade grease to the propeller shaft splines during installation and periodically to prevent corrosion and facilitate future removal.
Resolució de problemes
Si teniu problemes amb l'hèlix, tingueu en compte els següents problemes i solucions habituals:
- Vibració: Excessive vibration can indicate a bent or damaged blade, or an imbalance. Inspect the propeller for damage. If damaged, repair or replace it.
- Loss of Performance/RPM: This could be due to propeller damage, incorrect pitch for your engine/boat, or a fouled hull. Check the propeller for damage and ensure it's the correct specification.
- Cavitation/Ventilation: If the propeller is losing its grip on the water, it might be mounted too high, or there could be damage to the blades. Ensure proper mounting height and inspect for damage.
- Hub Kit Issues: If the propeller spins freely without propelling the boat, the hub kit may be damaged. Replace the hub kit components as needed.
Consideracions importants
To ensure optimal performance and safety, please pay attention to the following:
- Always verify your propeller's diameter, pitch, rotation, OEM number, engine year, and horsepower (HP) to ensure compatibility with your specific engine.
- The propeller is designed for right-hand (RH) rotation, which is standard for many outboard engines.
- The aluminum alloy construction provides high toughness and resistance to breakage or bending compared to welded blades.
Garantia i Suport
For any questions, technical assistance, or warranty claims regarding your Misakomo propeller, please refer to the seller's contact information or visit the official Misakomo store on Amazon: