As a rule of thumb, Yamaha outboard motors feature 72-5559cc engines depending on the model. To be more precise, the displacement in each main class is as follows:
- 2.5-25 HP (Portable): 72-432cc
- 30-115 HP (Midrange): 747-1832cc
- 150-450 HP (High-Performance): 2670-5559cc
If you want to find out more about the engine capacity, architecture, and specifications of Yamaha outboards, this post is for you.
We at PowerSportsGuide have compiled all you need to know under one roof!
How Many cc does a Yamaha Outboard Have?
How Many cc is a 2.5-6 HP Yamaha Outboard?
Portable 2.5-6 HP Yamaha outboard motors are powered by 72-139cc, single-cylinder engines.
The smallest-displacement Yamaha outboard, the F2.5, houses a tiny 72cc single engine, while the 4 and 6 HP models have a larger, 139cc single power mill.
The key features of the single-cylinder, 72cc Yamaha outboard are as follows:
- 4-stroke, single-cylinder configuration
- Displacement: 72cc
- Bore x Stroke: 54 x 31.5 mm (2.13 x 1.24 in)
- Prop Shaft HP: 4 HP at 4500 rpm / 6 HP at 5000 rpm
- Overhead-valve design (OHV)
- Wet sump lubrication system
- Fuel induction: carburetor
- Control: Tiller with forward-neutral-reverse shifting
- Throttle: Ergonomic twist-grip throttle
In contrast, the specs of the 4-6 HP (139cc) Yamaha outboards include:
- 4-stroke, single-cylinder configuration
- Displacement: 139cc
- Bore x Stroke: 62 x 46mm (2.44 x 1.81in)
- Prop Shaft HP: 4 HP at 4500 rpm / 6 HP at 5000 rpm
- Overhead-valve design (OHV)
- Wet sump lubrication system
- Fuel induction: carburetor
- Control: Tiller with forward-neutral-reverse shifting
- Throttle: Ergonomic twist-grip throttle
How Many cc is an 8-25 HP Yamaha Outboard?
8-25 HP Yamaha outboards are powered by 212-432cc, twin-cylinder engines.
The widely popular 9.9 HP class has a lightweight, carbureted, 212cc twin, which is borrowed from the de-tuned F8.
The only 363cc Yamaha marine engine is a carbureted 15 HP twin, nestled in the mid-range F15.
If you are looking for the largest portable Yamaha outboards, the 20-25 HP family is for you. These models share the same 432cc, 2-cylinder, fuel-injected engine.
The main specifications of the 212cc Yamaha outboard motor are as follows:
- 4-stroke, twin-cylinder configuration
- Displacement: 212cc
- Bore x Stroke: 56 x 43mm (2.20 x 1.70 in.)
- Prop Shaft HP: 8-9.9hp at 5500rpm
- Overhead-valve design (OHV)
- Wet sump lubrication system
- Ignition: CDI
- Fuel induction: carburetor
- Control: Tiller or mechanical
Specs of the 363cc Yamaha outboard motor include:
- 4-stroke, twin-cylinder configuration
- Displacement: 363cc
- Bore x Stroke: 63 x 58.1mm (2.48 x 2.29 in)
- Prop Shaft HP: 15 HP at 5500 rpm
- Overhead-valve design (OHV)
- Wet sump lubrication system
- Ignition: CDI
- Fuel induction: carburetor
- Control: Tiller or mechanical
Yamaha 432cc outboard specs:
- 4-stroke, twin-cylinder configuration
- Displacement: 432cc
- Bore x Stroke: 65 x 65.1mm / (2.56 x 2.56 in)
- Prop Shaft HP: 20-25 hp at 5500 rpm
- Overhead-valve design (OHV)
- Wet sump lubrication system
- Ignition: CDI
- Fuel induction: EFI
- Control: Tiller or mechanical
How Many cc is a 30-40 HP Yamaha Outboard?
The 30-40 HP Yamaha outboards are powered by the same 747cc (0.75L), fuel-injected twin engine.
While the Yamaha F30 has a de-tuned configuration of this engine, the F40 enjoys all 40 HP.
The specs of this 747cc Yamaha marine engine are as follows:
- 4-stroke, 3-cylinder configuration
- Displacement: 747cc
- Bore x Stroke: 65 x 75mm (2.56 x 2.95 in.)
- Prop Shaft HP: 30-40 HP at 5500 rpm
- Overhead-valve design (OHV)
- Wet sump lubrication system
- Ignition: CDI Microcomputer
- Fuel induction: EFI
- Control: Mechanical or tiller
How Many cc is a 50-70 HP Yamaha Outboard?
Yamaha’s 50-70 HP outboards share a 996cc (1.0L), inline-4, fuel-injected engine.
These popular 4-cylinder motors offer a great power-to-weight ratio along with outstanding reliability.
The specs of the 996cc Yamaha outboard engines are as follows:
- 4-stroke, inline-4 configuration
- Displacement: 996cc
- Bore x Stroke: 65 x 75mm (2.56 x 2.95 in.)
- Prop Shaft HP: 50-70 HP at 5800 rpm
- Valve design: SOHC
- Wet sump lubrication system
- Ignition: TCI Microcomputer
- Fuel induction: EFI
- Control: Mechanical or tiller
How Many cc is a 75-115 HP Yamaha Outboard?
The power source of midrange 75-115 HP Yamaha outboards is a 1832cc (1.8L), 4-stroke, fuel-injected engine.
The key specs of this 1.8L Yamaha marine engine include:
- 4-stroke, inline-4 configuration
- Displacement: 1832cc
- Bore x Stroke: 81 x 88.9mm (3.19 x 3.5in)
- Prop Shaft HP: 75-115 HP at 5500 rpm
- Valve design: SOHC or DOHC
- Wet sump lubrication system
- Ignition: TCI Microcomputer
- Fuel induction: EFI
- Control: Mechanical or tiller
How Many cc is a 150 HP Yamaha Outboard?
Yamaha offers 150 HP outboards with 2.7L (2670cc) and 2.8L (2785cc) engines.
Each of these power sources is a 4-stroke, inline-4, fuel-injected engine, which is the de-tuned configuration of their inline-4, 175-200 HP brothers.
Thanks to their large displacements, 150 HP Yamaha outboards offer excellent reliability along with great torque.
Specifications:
- 4-stroke, inline-4 configuration
- Displacement: 2670cc or 2785cc
- Bore x Stroke: 94 x 96.2 (3.70 x 3.79in) / 96 x 96.2mm (3.78 x 3.79in)
- Prop Shaft HP: 150 HP at 5500 rpm
- Valve design: SOHC or DOHC
- Wet sump lubrication system
- Ignition: TCI Microcomputer
- Fuel induction: EFI
- Control: Mechanical or Digital
How Many cc is a 175 HP Yamaha Outboard?
The only 175 HP Yamaha outboard is the V Max SVHO 175, powered by a 2.8L (2785cc), 4-stroke, inline-4 engine.
This power mill is the flagship model in Yamaha’s V MAX inline-4 series, which also includes the de-tuned 2.8L, 150 HP as well as 1.8L, 90-115 HP models.
The key specs of the V Max SVHO 175 engine are as follows:
- 4-stroke, inline-4 configuration
- Bore x Stroke: 96 x 96.2mm (3.78 x 3.79in)
- Prop Shaft HP: 175 HP at 5500 rpm
- Displacement: 2785cc
- Valve design: SOHC or DOHC
- Wet sump lubrication system
- Ignition: TCI Microcomputer
- Fuel induction: EFI
- Control: Mechanical
How Many cc is a Yamaha 200 HP Yamaha Outboard?
Interestingly, 200 HP Yamaha outboards are available with either 2.8L (2785cc) inline-4 or 4.2L (4169cc) V6 engines.
The latter is available on the entry-level V6 V MAX SHO series while the other is the most powerful inline-4 Yamaha outboard in the marketplace.
The key specifications of these engines include:
Inline-4, 200 HP Yamaha outboard engine:
- 4-stroke, inline-4 configuration
- Prop Shaft HP: 200 HP at 5500 rpm
- Bore x Stroke: 96 x 96.2mm (3.78 x 3.79in)
- Displacement: 2785cc
- Valve design: DOHC, 16 valves
- Wet sump lubrication system
- Ignition: TCI Microcomputer
- Fuel induction: EFI
- Control: Mechanical or Digital
V6, 200 HP Yamaha outboard engine:
- 4-stroke, V6 configuration
- Prop Shaft HP: 200 HP at 5500 rpm
- Bore x Stroke: 96 x 96mm (3.78 x 3.78 in)
- Displacement: 4169cc
- Valve design: DOHC, 24 valves
- Wet sump lubrication system
- Ignition: TCI Microcomputer
- Fuel induction: EFI
- Control: Mechanical
How Many cc is a 225-300 HP Yamaha Outboard?
225-300 HP Yamaha outboards are designed with the 4.2L (4196cc), V6 engine option.
The key specs of this unit are as follows:
- 4-stroke, V6 configuration
- Prop Shaft HP: 225-300 HP at 5500 rpm
- Bore x Stroke: 96 x 96mm (3.78 x 3.78 in)
- Displacement: 4169cc (4.2L)
- Valve design: DOHC, 24 valves
- Wet sump lubrication system
- Ignition: TCI Microcomputer
- Fuel induction: EFI
- Control: Mechanical
How Many cc is a 425-450 HP Yamaha Outboard?
The high-end 425-450 HP Yamaha outboard motor houses a 5.6L (5559cc) V8 engine, which has the following characteristics:
Specifications:
- 4-stroke, V8 configuration
- Displacement: 5559cc
- Bore x Stroke: 96 x 96 mm (3.78 x 3.78 in)
- Prop Shaft HP: 425 HP at 5500 RPM / 450 HP at 6000 RPM
- Valve design: DOHC, 32 valves
- Wet sump lubrication system
- Ignition: TCI Microcomputer
- Fuel induction: Direct Injection / Up to 2900 PSI
- Control: Digital
Yamaha Outboard Displacement Chart
For your convenience, we’ve compiled the main engine specs of Yamaha outboards into one Yamaha Outboard Displacement Chart:
| HP | Cylinders | CC |
| 2.5 HP | 1 | 72cc |
| 4 HP | 1 | 139cc |
| 6 HP | 1 | 139cc |
| 8 HP | 2 | 212cc |
| 10 HP | 2 | 212cc |
| 15 HP | 2 | 362cc |
| 20 HP | 2 | 432cc |
| 25 HP | 2 | 432cc |
| 30 HP | 3 | 747cc |
| 40 HP | 3 | 747cc |
| 50 HP | 4 | 996cc |
| 60 HP | 4 | 996cc |
| 70 HP | 4 | 996cc |
| 75 HP | 4 | 1832cc |
| 90 HP | 4 | 1832cc |
| 115 HP | 4 | 1832cc |
| 150 HP | 4 | 2670-2785cc |
| 175 HP | 4 | 2785cc |
| 200 HP | 4/V6 | 2785-4169cc |
| 225 HP | V6 | 4169cc |
| 250 HP | V6 | 4169cc |
| 300 HP | V6 | 4169cc |
| 425 HP | V8 | 5559cc |
| 450 HP | V8 | 5559cc |
Disclaimer: This chart is for informational purposes only! For more information, please check the official factory manuals.
Takeaways
Yamaha outboard motors are only available with 4-stroke power sources in the US.
In terms of displacements, the 2.5-8 HP portable Yamaha outboard motors are designed with 72-139cc, single-cylinder engines.
In contrast, the displacement of twin-cylinder Yamaha outboards ranges from 212cc to 432cc. These motors are rated at 8-25 HP depending on the model.
The 30-40 HP class enjoys a 747cc, 3-cylinder power mill, while the 50-70 HP family houses the smallest inline-4 Yamaha marine engine, displacing 996cc.
If you are looking for more power and torque, the 75-115 HP series is for you. These Yamaha motors share a 1812cc, inline-4 engine.
The most powerful 4-cylinder Yamaha outboards have 2670-2785cc, inline-4 engines rated at 150-200 HP.
Entry-level V6 Yamaha outboards displace 4169cc and deliver 200-300 HP while their 425-500 HP brothers come with a 5559cc, V8 engine.
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