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5 Best Outboard Boat Motors 2025 in the United States

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Our Top Picks

#1

Winner

HANGKAI 12HP Outboard Motor 169cc 2 Stroke Heavy Duty Fishing Boat Engine Gasoline w/Water Cooled, Outboard Engine w/CDI Ignition System, Short Shaft 4500-5500r/Min

Rating
9.7
Chosen by1,424
Horsepower (HP)
Weight
Starting System

Most important from
23 reviews

Horsepower (HP)
Twice the power and 30lbs lighter than a 6hp engine.
Weight
Twice the power and 30lbs lighter than a 6hp engine.
Starting System
Pushes a 14ft v-bottom boat to about 22 mph and starts super easy.

The HANGKAI 12HP Outboard Motor is a robust and versatile engine designed for various small boats. With 12 horsepower and a 169cc two-stroke engine, it provides significant thrust and speed control, making it ideal for fishing and outdoor adventures. The short shaft design is suitable for boats with lower transom heights, specifically 17.32 inches or less.

Users will appreciate the flexibility of its three gears (forward, neutral, reverse) and infinite speed adjustment through the throttle handle, allowing for smooth and controlled cruising. Fuel efficiency is a plus with its 6.34-gallon external oil tank, which reduces the need for frequent refueling and keeps operating costs low. The advanced CDI ignition system ensures reliable starting and performance while consuming only 1.18 gallons of gasoline per hour, which is economical for long trips.

Safety features like the water cooling system, suspension tilt adjustment pins, anti-swirl plate, and emergency flameout rope enhance the engine's reliability and user security. However, at 72.75 pounds, it is relatively heavy, which might be a concern for some users when installing or transporting it. The manual operation mode may also not be as convenient as electric controls for some users. Additionally, since it’s a two-stroke engine, it requires mixing oil with gasoline, which can be less convenient than four-stroke engines that use straight gasoline. Despite these drawbacks, the HANGKAI 12HP motor’s durability, power, and safety features make it a solid choice for small boat owners looking for a reliable and efficient outboard motor.

Rating
9.7
Chosen by1,424
Horsepower (HP)
Weight
Starting System

Most important from
23 reviews

Horsepower (HP)
Twice the power and 30lbs lighter than a 6hp engine.
Weight
Twice the power and 30lbs lighter than a 6hp engine.
Starting System
Pushes a 14ft v-bottom boat to about 22 mph and starts super easy.
#2

2 Stroke Boat Motor 3.5 HP 49CC Outboard Motor with Water Cooling System Mud Motor with Standard CDI Ignition System Boat Engine with Short Shaft Small Outboard Boat Motor for Boat (3.5 HP)

Rating
9.4
Starting System

Most important from
4 reviews

Starting System
The motor runs on the first try and looks good, making it a solid choice for beginner boat owners.

The 2 Stroke Boat Motor with 3.5 HP offers a compact and efficient solution for small boats, such as inflatable, rubber, or fishing boats. It is equipped with a water cooling system and has a lightweight design at 21.5 pounds, making it easy to handle and transport. The motor's 3.5 HP output, combined with a streamlined 6.7'' three-blade propeller, provides robust power and a high maximum speed of 5000rpm, suitable for quick and efficient travel on the water.

The throttle lever allows for straightforward acceleration and steering control, enhancing the user experience with easy operation. Additionally, the low noise level of around 80 decibels ensures a quieter ride compared to others in its category, which can be beneficial for a more pleasant boating experience and better vigilance on the water. Fuel efficiency is a notable feature, with a consumption rate of approximately 0.3 gallons per hour, saving on fuel costs for frequent short-distance navigators.

Safety is well-considered with a reliable CDI ignition system for quick starts, suspension tilt adjustment pins to reduce inclination, and overheating protection, promoting smooth and continuous operation. However, it is worth noting that the motor's manual operation mode might not be as convenient for users accustomed to electric start systems. This motor is ideal for small boat owners looking for an efficient and straightforward outboard motor with decent performance and fuel savings.

Rating
9.4
Starting System

Most important from
4 reviews

Starting System
The motor runs on the first try and looks good, making it a solid choice for beginner boat owners.
#3

Mercury Propeller for Outboard 8hp 9.9hp 4T Engine Motors 48-895183A10 Tohatsu Boat Prop F8.5 8hp 9.8hp 8.9 * 8.3 3B2W64517

The Mercury Propeller for Outboard 8hp 9.9hp 4T Engine Motors by COPKINGO offers a solid option for those with smaller boats, particularly inflatable ones. It supports a maximum horsepower of 9.9HP, which is adequate for light to medium usage. The propeller is designed for manual operation and is compatible with 2-stroke engines.

Made from aluminum, it ensures durability while keeping the weight down to just 1.43 pounds, making installation and handling quite easy. Its black color gives it a sleek appearance that can match well with most boats.

However, it lacks some advanced features like electric start or automatic control, which could be a drawback for those seeking more convenience. The manual operation may also require more physical effort. Given its rank in the market, this propeller seems to be a reliable choice for casual boaters or those with smaller outboard motors.

Buying Guide for the Best Outboard Boat Motors

Choosing the right outboard boat motor is crucial for ensuring a smooth and enjoyable boating experience. The right motor will depend on your boat type, how you plan to use it, and your personal preferences. Understanding the key specifications will help you make an informed decision that best fits your needs.
Horsepower (HP)Horsepower measures the power output of the motor. It's important because it determines how fast and efficiently your boat can move. Lower horsepower (2-20 HP) is suitable for small boats and calm waters, while medium horsepower (20-100 HP) is ideal for larger boats and moderate activities like fishing or cruising. High horsepower (100+ HP) is necessary for large boats and high-speed activities like water skiing. Choose the horsepower based on your boat size and intended use.
Shaft LengthShaft length is the distance from the mounting bracket to the bottom of the motor. It's crucial for ensuring the propeller is properly submerged in the water. Short shafts (15 inches) are for small boats and shallow waters, while long shafts (20-25 inches) are for larger boats and deeper waters. Extra-long shafts (30 inches or more) are for very large boats or rough waters. Measure the transom height of your boat to determine the correct shaft length.
Fuel TypeOutboard motors can be powered by gasoline or electric. Gasoline motors are more powerful and suitable for long distances and high-speed activities. Electric motors are quieter, more environmentally friendly, and ideal for short distances and calm waters. Choose the fuel type based on your boating habits and environmental considerations.
WeightThe weight of the motor affects the balance and performance of your boat. Lighter motors are easier to handle and install, making them suitable for small boats and casual use. Heavier motors provide more power and stability, which is important for larger boats and rough waters. Ensure your boat can support the weight of the motor you choose.
Control TypeOutboard motors can be controlled via tiller or remote. Tiller control involves a handle directly on the motor, offering simplicity and direct control, ideal for small boats. Remote control uses a steering wheel and throttle, providing more comfort and precision, suitable for larger boats. Choose the control type based on your comfort and the size of your boat.
Starting SystemOutboard motors can have manual or electric start systems. Manual start requires pulling a cord, which is reliable and doesn't need a battery, suitable for small motors. Electric start uses a button or key, offering convenience and ease, ideal for larger motors. Consider your physical ability and preference for convenience when choosing the starting system.

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