Yamaha 2.5 vs. Suzuki 2.5 vs. Tohatsu 3.5: A Comprehensive Comparison of 2.5 to 3.5 HP Outboard Motors

A Comprehensive Comparison of 2.5 to 3.5 HP Outboard Motors and Choosing the Best Fit for Your Boating Needs

When it comes to selecting a small, portable outboard motor for your inflatable boat, dinghy, or small fishing vessel, the market offers several choices. Among the top contenders are the Yamaha 2.5, Suzuki 2.5, and Tohatsu 3.5 outboard motors. Each of these lightweight motors offers its unique set of features and advantages. In this detailed comparison, we will explore the key differences and similarities of these three compact outboards to help you make an informed decision.

1. Engine Power and Performance

Yamaha 2.5: The Yamaha 2.5 is a reliable 2.5 horsepower outboard designed for easy portability and smooth operation. It is an excellent choice for small boats and provides adequate power for leisurely cruises and trolling.

Suzuki 2.5: The Suzuki 2.5 also offers 2.5 horsepower and is built to be lightweight and user-friendly. It delivers efficient performance and is suitable for small boats, canoes, and kayaks.

Tohatsu 3.5: With a slightly higher power output of 3.5 horsepower, the Tohatsu outboard provides a bit more thrust. This extra power is beneficial for boats with heavier loads or when encountering mild currents.

2. Weight and Portability

Yamaha 2.5: The Yamaha 2.5 is one of the lightest outboard motors in its class, making it easy to carry and transport. Its compact size and integrated carrying handle add to its portability.

Suzuki 2.5: The Suzuki 2.5 is also designed to be lightweight, allowing for effortless handling and transportation to and from the water.

Tohatsu 3.5: While slightly heavier than the Yamaha and Suzuki, the Tohatsu 3.5 is still considered a portable outboard motor. Its manageable weight ensures it can be easily moved and mounted on various vessels.

3. Starting Mechanism

Yamaha 2.5: The Yamaha 2.5 features a convenient manual start mechanism, making it straightforward to get the engine up and running.

Suzuki 2.5: Like the Yamaha, the Suzuki 2.5 also employs a manual start system for quick and hassle-free engine ignition.

Tohatsu 3.5: The Tohatsu 3.5 comes with both manual and electric start options. The electric start provides added convenience, especially if you prefer an effortless ignition process.

4. Fuel Tank Capacity and Efficiency

Yamaha 2.5: The Yamaha 2.5 is equipped with a built-in fuel tank with a capacity of approximately 0.26 gallons. It offers excellent fuel efficiency, allowing for extended hours on the water without frequent refueling.

Suzuki 2.5: The Suzuki 2.5 also features an integrated fuel tank with a similar capacity of approximately 0.26 gallons. Its efficient fuel consumption ensures prolonged boating enjoyment.

Tohatsu 3.5: The Tohatsu 3.5 has a slightly larger built-in fuel tank with a capacity of around 0.29 gallons. While marginally higher, its fuel efficiency remains impressive.

5. Technology and Features

Yamaha 2.5: The Yamaha 2.5 incorporates a forward-neutral-shift (F-N) gear shifting system, making it easy to maneuver in tight spaces. It also has a convenient built-in fuel gauge for monitoring fuel levels.

Suzuki 2.5: The Suzuki 2.5 boasts an innovative digital CDI ignition system, ensuring smooth starts and reliable performance. It is also equipped with an oil and water indicator to provide essential engine status information.

Tohatsu 3.5: The Tohatsu 3.5 features a forward-neutral-reverse (F-N-R) gear shift system for enhanced control. Additionally, it has an integrated choke knob for easy cold starts.


Selecting the right outboard motor from the Yamaha 2.5, Suzuki 2.5, and Tohatsu 3.5 requires considering your specific boating needs and preferences. If you seek a lightweight and simple motor for leisurely outings, the Yamaha 2.5 and Suzuki 2.5 are excellent choices. For those seeking a bit more power and versatility, the Tohatsu 3.5 provides an additional boost in performance. Remember to factor in features, portability, and budget considerations to make the best decision for your boating adventures.

FAQs (Frequently Asked Questions)

Q1: Can I use the Yamaha 2.5 for saltwater boating?

A: Yes, the Yamaha 2.5 is designed for both freshwater and saltwater use. However, regular flushing with freshwater after saltwater use is recommended to prevent corrosion.

Q2: Does the Suzuki 2.5 come with a warranty?

A: Yes, Suzuki offers a standard warranty for their 2.5 outboard motors. Warranty details may vary by region, so it’s essential to check with your local Suzuki dealer for specific information.

Q3: Is the Tohatsu 3.5 suitable for trolling?

A: Yes, the Tohatsu 3.5 is capable of trolling at low speeds, making it an ideal choice for anglers looking for precise control during fishing sessions.