Updated: July 25, 2025

When it comes to fishing, having the right outboard motor on your small boat can make all the difference. A reliable, efficient, and appropriately powered motor not only enhances your boating experience but also ensures you reach your favorite fishing spots quickly and safely. Choosing the best outboard motor for a small fishing boat depends on factors like boat size, weight, typical fishing conditions, fuel efficiency, and budget. This article delves into some of the best outboard motors available in the market tailored for small fishing boats and provides key insights to help you make an informed decision.

Why Choose an Outboard Motor for Small Fishing Boats?

Outboard motors are the most popular propulsion system for small boats due to their versatility, ease of maintenance, and manageable size. They are mounted externally on the stern of the boat, which saves valuable interior space for fishing gear and passengers. Additionally, modern outboards come with advanced technologies that enhance performance while being environmentally friendly.

For small fishing boats, ranging from 10 to 18 feet, choosing an outboard motor that balances power and weight is critical. Too heavy a motor will weigh down the boat and reduce its stability and speed; too weak a motor might struggle to get you where you want to go or handle rough water.

What to Look For in Outboard Motors for Small Fishing Boats

Before we explore specific models, here are important features and considerations when selecting an outboard motor:

1. Horsepower (HP)

The ideal horsepower depends on your boat’s size and load capacity. Generally:
– Boats under 14 feet: 2.5 HP to 10 HP
– Boats 14 to 16 feet: 10 HP to 25 HP
– Boats over 16 feet (up to 18 ft): 25 HP to 40 HP

Check your boat manufacturer’s recommended maximum horsepower rating for safety and optimal performance.

2. Weight

Lighter motors are easier to install, remove, and transport. However, higher horsepower engines usually weigh more. Look for models that strike a good balance based on your handling preference.

3. Fuel Type

Most small outboards use gasoline with a two-stroke or four-stroke engine design.
Four-stroke engines: Fuel-efficient, quieter, low emissions, but generally pricier.
Two-stroke engines: Lighter and cheaper but less fuel-efficient and noisier.

4. Start Type

Manual pull-starts are common in smaller models while electric start options provide convenience but add weight and cost.

5. Shaft Length

Ensure the shaft length matches your boat transom height:
– Short shaft (~15 inches) for low transoms.
– Long shaft (~20 inches) for higher transoms.

6. Durability & Warranty

Fishing often involves saltwater or freshwater environments that can be harsh on equipment. Choose brands known for corrosion resistance and good warranty coverage.

Top Outboard Motors for Small Fishing Boats

Here’s a rundown of some of the best outboard motors suited for small fishing boats based on performance, reliability, user reviews, and price.


1. Yamaha F9.9

Overview

The Yamaha F9.9 is one of the most trusted lightweight four-stroke outboards in the under-10 HP class. It offers excellent power-to-weight ratio and top-notch reliability.

Key Features

  • Horsepower: 9.9 HP
  • Weight: Approximately 77 pounds
  • Four-stroke engine with EFI (Electronic Fuel Injection)
  • Electric start with optional manual pull start
  • Fuel-efficient with low emissions
  • Shaft Length Options: Short (15″), Long (20″)
  • Tiller or remote control options available
  • Quiet operation suitable for fishing

Why It’s Great for Small Fishing Boats

The F9.9 balances lightweight portability with enough power to propel boats up to around 16 feet efficiently. Its fuel injection means easy starting especially in cold weather, a huge advantage for early morning anglers. Yamaha’s reputation for durability means fewer worries about maintenance.


2. Honda BF20

Overview

The Honda BF20 is a powerful yet compact four-stroke outboard perfect for medium-sized fishing boats requiring up to 20 HP.

Key Features

  • Horsepower: 20 HP
  • Weight: About 108 pounds
  • Four-stroke with PGM-FI (Programmed Fuel Injection)
  • Electric start with optional manual start
  • Lean burn technology offers excellent fuel economy
  • Quiet operation with reduced vibration
  • Shaft lengths: Short (15″), Long (20″)

Why It’s Great for Small Fishing Boats

If you have a larger small boat (around 16-18 ft), the Honda BF20 packs strong acceleration and consistent power while remaining manageable in weight. The fuel injection system ensures smooth starts even after long storage periods.


3. Mercury FourStroke 15 HP

Overview

Mercury is one of the most respected names in marine engines, and their FourStroke series delivers reliable performance in compact packages.

Key Features

  • Horsepower: 15 HP
  • Weight: Around 94 pounds
  • Four-stroke engine with EFI
  • Electric or manual start options available
  • Shaft length: Short or long options available
  • Compact design suitable for portable use

Why It’s Great for Small Fishing Boats

This engine offers a solid balance of power and portability ideal for midsize small boats without overwhelming them with weight or bulkiness.


4. Tohatsu MFS9.8

Overview

Tohatsu engines have grown in popularity due to their affordability without sacrificing quality or reliability.

Key Features

  • Horsepower: 9.8 HP
  • Weight: Approximately 59 pounds – one of the lightest in this class!
  • Two-stroke direct injection engine (cleaner than traditional two-strokes)
  • Manual or electric start options available
  • Shaft length options standard

Why It’s Great for Small Fishing Boats

If lightweight portability is your priority, such as if you often carry your motor separately, the Tohatsu MFS9.8 is a perfect choice. Its direct-injection technology improves fuel economy while maintaining decent power output.


5. Suzuki DF25A

Overview

For those who need more oomph in their small fishing boat without stepping into large motors, Suzuki DF25A is an excellent choice providing smooth four-stroke power.

Key Features

  • Horsepower: 25 HP
  • Weight: About 132 pounds – still manageable on larger small boats.
  • Four-stroke with multi-point sequential fuel injection (MPI)
  • Electric start standard; manual start optional.
  • Shaft length customizable (15″, 20″, or longer)

Why It’s Great for Small Fishing Boats

With its advanced fuel injection system, Suzuki DF25A offers strong acceleration alongside excellent fuel efficiency, great if you’re planning longer trips or need better handling in choppy water conditions.


Additional Tips for Maintaining Your Outboard Motor

To get the most life out of your investment:
– Always flush your motor with fresh water after saltwater use.
– Use recommended oil types and change oil regularly.
– Store your motor upright in a dry place when not in use.
– Inspect propellers frequently for damage.
– Schedule professional servicing periodically.


Conclusion

Choosing the best outboard motor for your small fishing boat significantly impacts your boating enjoyment and safety on the water. Factors such as horsepower, weight, fuel type, shaft length, and brand reputation should guide your decision-making process.

For very small boats around or under 14 feet, light engines like Yamaha F9.9 or Tohatsu MFS9.8 provide excellent portability without compromising power. For slightly larger vessels up to around 18 feet, mid-range motors like Mercury FourStroke 15 HP or Honda BF20 offer balanced performance with modern technology ensuring reliability and efficiency.

Ultimately, match your motor choice to your specific needs, considering how far you fish from shore, how many passengers you carry, typical water conditions, and budget constraints, to make every outing a success.

Invest wisely now so you can enjoy many years of peaceful fishing adventures powered by one of these outstanding outboard motors!

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