How Much HP does a Yamaha Outboard Have? [Chart]

As a rule of thumb, Yamaha outboard motors house 2.5-450 HP engines depending on the model. To be more precise, the engine power in each main class is as follows:

  • Portable: 2.5-25 HP
  • Midrange 30-115 HP
  • High-Performance: 150-450 HP

If you want to find out more about the engine power of Yamaha outboards, this post is for you.

We at PowerSportsGuide have compiled all you need to know under one roof!

How Much HP does a Yamaha Outboard Have?

How Much HP Does a Portable Yamaha Outboard Have?

The smallest Yamaha outboard motors are the portable models, which are designed with 2.5-25 HP engines.

The available power sources in this breed are as follows:

  • 72cc, single: 2.5 HP
  • 139cc, single: 4, 6 HP
  • 212cc, twin: 8, 9.9 HP
  • 362cc, twin: 15 HP
  • 432cc, twin: 20, 25 HP

How Much HP Does a Midrange Yamaha Outboard Have?

The engine power of midrange Yamaha outboard motors is somewhere between 30 and 115 HP. These units are powered by 4-stroke, inline-3, or inline-4 engines.

The available engine options and their HP ratings in this class include:

  • 747cc, inline-3: 30, 40 HP
  • 996cc, inline-4: 50, 60, 70 HP
  • 1832cc, inline-4: 75, 90, 115 HP

How Much HP Does a High-Performance Yamaha Outboard Have?

Depending on the engine design, the power of high-performance Yamaha outboards varies widely.

Entry-level models in this class house an inline-4 engine with displacements ranging 2670-2785cc. These motors are rated at 150-200 HP. In contrast, the most powerful Yamaha outboards come with V6 and V8 engines, which produce a remarkable 200-450 HP:

  • 2670-2785cc, inline-4: 150, 175, 200 HP
  • 4169cc, V6: 200, 225. 250, 300 HP
  • 5559cc, V8: 425, 450 HP

Yamaha Outboard HP Chart

For your convenience, we’ve compiled the average HP figures into one Yamaha Outboard HP Chart:

2.5 HP172cc
4 HP1139cc
6 HP1139cc
8 HP2212cc
9.9 HP2212cc
15 HP2362cc
20 HP2432cc
25 HP2432cc
30 HP3747cc
40 HP3747cc
50 HP4996cc
60 HP4996cc
70 HP4996cc
75 HP41832cc
90 HP41832cc
115 HP41832cc
150 HP42670-2785cc
175 HP42785cc
200 HP4/V62785-4169cc
225 HPV64169cc
250 HPV64169cc
300 HPV64169cc
425 HPV85559cc
450 HPV85559cc

Disclaimer: This chart is for informational purposes only! For more information, please check the owner’s manuals.

Takeaways – What are the Sizes of Yamaha Outboard Motors?

As a rule of thumb, Yamaha outboards can produce anywhere from 2.5-600 HP depending on their engine size and features.

The smallest portable models come with a 72cc single (2.5 HP), a 139cc single (4/6 HP), 212cc twin (8/10 HP), 362cc twin (15 HP), and 432cc twin (20/25 HP engines)

You can only find three engine options in the midrange class including a 747cc triple (30/40 HP), a 996cc inline-4 (50/60/70 HP), and a 1832cc inline-4 engine (75/90/115 HP).

On the other end of the spectrum, you can find high-performance Yamaha outboards marketed with a 2670-2785cc inline-4 (150/175/200 HP), 4169cc V6 (200, 225, 250, 300 HP), and 5559cc, V8 (425, 450 HP) engines.


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