fits make: Yamaha. year: 2014–2021.

( Brand: Hill Marine Signature ), ( Manufacturer Part Number: O20R3Y-204 ), ( Part Type: Propeller ), ( Propeller Rotation: Standard ), ( Country/region Of Manufacture: United States )
The O21R3Y-108 semi cleaver propeller, manufactured by Yamaha, is a high-performance propeller designed for 14-foot outboard boats equipped with the Yamaha O20R3Y-204 engine. This propeller is a perfect blend of style and functionality, offering optimal efficiency and power delivery.
The O21R3Y-108 propeller features a semi-cleaver blade design. The semi-cleaver blades are a great compromise between the efficiency of a three-blade propeller and the maneuverability of a four-blade propeller. The semi-cleaver blades provide excellent hole shot, acceleration, and top-end speed while providing excellent control and responsiveness during tight turns.
The propeller is made of high-quality, marine-grade aluminum alloy, which is both lightweight and durable. The aluminum alloy material ensures that the propeller is resistant to corrosion, saltwater erosion, and other harsh marine environments. The propeller's finish is also designed to minimize drag, ensuring optimal propeller efficiency and performance.
The O21R3Y-108 propeller is specifically designed for the Yamaha O20R3Y-204 engine, ensuring a perfect fit and optimal performance. The propeller's pitch is 10.8 inches, which provides the right balance between speed and maneuverability. The propeller's diameter is 14 inches, which is the optimal size for a 14-foot outboard boat.
In summary, the O21R3Y-108 semi cleaver propeller is a high-performance propeller designed for 14-foot outboard boats equipped with the Yamaha O20R3Y-204 engine. The semi-cleaver blade design provides excellent efficiency, power delivery, and maneuverability, while the high-quality, marine-grade aluminum alloy construction ensures durability and resistance to harsh marine environments. The propeller's pitch and diameter are specifically designed for optimal performance with the Yamaha O20R3Y-204 engine.
The O21R3Y-108 semi cleaver propeller for Yamaha 14 and the O20R3Y-204 propeller from Hill Marine are both suitable options for boat propellers. Here are some pros and cons of each propeller:
O21R3Y-108 Semi Cleaver Propeller for Yamaha 14: Pros:1. Designed specifically for Yamaha 14 engines, ensuring optimal performance and efficiency.
2. Semi-cleaver design provides good thrust and maneuverability, making it suitable for a variety of water conditions.
3. Durable material that can withstand rough usage and prolong the lifespan of the propeller.
Cons:1. May not provide the best speed performance in comparison to high-speed propellers.
2. The semi-cleaver design may not be as effective in shallow water or tight turns.
O20R3Y-204 Propeller from Hill Marine: Pros:1. Designed for a wide range of applications, making it a versatile option.
2. High-performance design can provide good speed and maneuverability, suitable for boats that prioritize speed.
3. Durable material that can withstand rough usage and prolong the lifespan of the propeller.
Cons:1. May not be as efficient in shallow water or tight turns due to its design.
2. May not be specifically designed for a particular engine model, which might not provide the best performance.
Conclusion:Both propellers have their strengths and weaknesses, and the best choice depends on your specific needs and preferences. If you prioritize speed and maneuverability, the O20R3Y-204 propeller from Hill Marine might be a better option. On the other hand, if you have a Yamaha 14 engine and value efficiency and versatility, the O21R3Y-108 semi cleaver propeller might be more suitable.
Recommendation:Before making a decision, it's essential to consider the specific conditions under which the propeller will be used, such as water depth, boat type, and usage frequency. Consulting with a boating expert or reading reviews from other users can also help in making an informed decision. Ultimately, the propeller that best fits your needs and provides the best performance for your boat should be your top priority.
This is a Signature semi cleaver for Yamaha outboards with 15 spline shaft. This has worked out pretty well on tillers with 90 hp Yamaha's. This propeller is 14 x 21, very good hole shot and top end.
Offered without a hub kit, but uses the square Flo torque kit.