9.9 HP Outboard Motors for Sale

America's Favorite Portable Outboard; Powerful, Lightweight and Versatile

The 9.9 HP outboard is consistently one of the best-selling engine classes in the United States; and for good reason. It sits right at the boundary of many lake horsepower restrictions while delivering enough power to push a 14-foot aluminum boat onto plane with ease.

Our 9.9 HP lineup at Boat Max Online includes 4-stroke models from Suzuki, Honda, Mercury, Yamaha, and Tohatsu. These engines deliver exceptional fuel economy, clean emissions, and are quiet enough for early-morning fishing trips. Many models come with electric start, power tilt, and tiller steering options.

The 9.9 HP class is also popular as a kicker motor on larger fishing boats, providing trolling control and serving as a reliable backup engine offshore. All motors are new, dealer-warranted, and ship free on orders over $499.

✔ Fuel-efficient 4-stroke technology for better mileage and reduced emissions.

✔ Lightweight & easy to transport—perfect for small boats.

✔ Durable corrosion-resistant design for freshwater & saltwater use.

✔ Competitive 9.9 HP outboard prices with full manufacturer warranty.

This 9.9 HP outboard boat motor is ideal for recreational and light commercial use, giving you the perfect balance of power and portability.

Order today and get fast shipping on your new 9.9 HP outboard motor!

Boat Motors Frequently Asked Questions

Why is 9.9 HP such a popular outboard size?

The 9.9 HP class is popular because many lakes and reservoirs in the U.S. restrict motors to 10 HP or less. A 9.9 HP motor fits within that limit while providing near-10 HP performance.

What is the difference between a 9.9 HP and a 10 HP outboard?

Mechanically, a 9.9 HP and 10 HP outboard often share the same powerhead. The 9.9 HP designation allows use on restricted waterways. Performance is virtually identical.

What boats work best with a 9.9 HP motor?

Jon boats, 12-16 foot aluminum fishing boats, small fiberglass hulls, and inflatable boats all work well with a 9.9 HP motor. It will plane a lightly loaded 14-foot aluminum boat.

Do 9.9 HP motors have electric start?

Many 9.9 HP motors offer electric start as an option or standard feature, depending on the brand and model. Recoil (pull) start is also available on most models for simplicity and reliability.