Best 4 HP Outboard Motors Compared
Complete comparison of all 4 HP outboard motors in our database. 13 models compared side by side.
Specification Comparison
| Specification | 2024 Yamaha F4SMHA | 2023 Yamaha F4SMHA | 2024 Honda BF4AHSHNA | 2025 Tohatsu MFS3.5CS | 2025 Mercury 3.5 FourStroke | 2023 Mercury 4 FourStroke | 2025 Suzuki DF4AS | 2024 Tohatsu MFS3.5CS | 2024 Suzuki DF4AS | 2022 Honda BF4AHSHNA | 2023 Honda BF4AHSHNA | 2024 Mercury 3.5 FourStroke | 2024 Mercury 4 FourStroke |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Yamaha | Yamaha | Honda | Tohatsu | Mercury | Mercury | Suzuki | Tohatsu | Suzuki | Honda | Honda | Mercury | Mercury |
| Year | 2024 | 2023 | 2024 | 2025 | 2025 | 2023 | 2025 | 2024 | 2024 | 2022 | 2023 | 2024 | 2024 |
| Engine Type | 4-stroke | 4-stroke | 4-stroke | 4-stroke | 4-stroke | 4-stroke | 4-stroke | 4-stroke | 4-stroke | 4-stroke | 4-stroke | 4-stroke | 4-stroke |
| Cylinders | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Displacement | 121 cc | 125 cc | 129 cc | 118 cc | 129 cc | 128 cc | 128 cc | 125 cc | 127 cc | 122 cc | 123 cc | 124 cc | 127 cc |
| Weight | 26 kg (57 lbs) | 27 kg (58 lbs) | 27 kg (58 lbs) | 27 kg (58 lbs) | 27 kg (59 lbs) | 27 kg (59 lbs) | 27 kg (59 lbs) | 27 kg (60 lbs) | 28 kg (61 lbs) | 28 kg (61 lbs) | 28 kg (62 lbs) | 28 kg (62 lbs) | 29 kg (64 lbs) |
| Fuel System | Carbureted | Carbureted | Carbureted | Carbureted | Carbureted | Carbureted | Carbureted | Carbureted | Carbureted | Carbureted | Carbureted | Carbureted | Carbureted |
| Starting | Electric/Manual | Electric/Manual | Manual | Electric/Manual | Electric/Manual | Electric/Manual | Manual | Manual | Manual | Manual | Manual | Manual | Electric/Manual |
| Steering | Tiller | Tiller | Both | Tiller | Tiller | Tiller | Both | Tiller | Both | Both | Tiller | Tiller | Tiller |
| Alternator | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| Trim & Tilt | Manual | Manual | Manual | Manual | Manual | Manual | Manual | Manual | Manual | Manual | Manual | Manual | Manual |
| MSRP | $1,590 | $1,640 | $1,630 | $1,510 | $1,790 | $1,630 | $1,500 | $1,460 | $1,550 | $1,550 | $1,560 | $1,660 | $1,710 |
Head-to-Head Comparisons
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2024 Yamaha F4SMHA vs 2023 Yamaha F4SMHA
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2024 Yamaha F4SMHA vs 2024 Honda BF4AHSHNA
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2024 Yamaha F4SMHA vs 2025 Tohatsu MFS3.5CS
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2024 Yamaha F4SMHA vs 2025 Mercury 3.5 FourStroke
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2024 Yamaha F4SMHA vs 2023 Mercury 4 FourStroke
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2024 Yamaha F4SMHA vs 2025 Suzuki DF4AS
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2024 Yamaha F4SMHA vs 2024 Tohatsu MFS3.5CS
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2024 Yamaha F4SMHA vs 2024 Suzuki DF4AS
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2024 Yamaha F4SMHA vs 2022 Honda BF4AHSHNA
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2024 Yamaha F4SMHA vs 2023 Honda BF4AHSHNA
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2024 Yamaha F4SMHA vs 2024 Mercury 3.5 FourStroke
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2024 Yamaha F4SMHA vs 2024 Mercury 4 FourStroke
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2023 Yamaha F4SMHA vs 2024 Honda BF4AHSHNA
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2023 Yamaha F4SMHA vs 2025 Tohatsu MFS3.5CS
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2023 Yamaha F4SMHA vs 2025 Mercury 3.5 FourStroke
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2023 Yamaha F4SMHA vs 2023 Mercury 4 FourStroke
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2023 Yamaha F4SMHA vs 2025 Suzuki DF4AS
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2023 Yamaha F4SMHA vs 2024 Tohatsu MFS3.5CS
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2023 Yamaha F4SMHA vs 2024 Suzuki DF4AS
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2023 Yamaha F4SMHA vs 2022 Honda BF4AHSHNA
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2023 Yamaha F4SMHA vs 2023 Honda BF4AHSHNA
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2023 Yamaha F4SMHA vs 2024 Mercury 3.5 FourStroke
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2023 Yamaha F4SMHA vs 2024 Mercury 4 FourStroke
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2024 Honda BF4AHSHNA vs 2025 Tohatsu MFS3.5CS
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2024 Honda BF4AHSHNA vs 2025 Mercury 3.5 FourStroke
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2024 Honda BF4AHSHNA vs 2023 Mercury 4 FourStroke
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2024 Honda BF4AHSHNA vs 2025 Suzuki DF4AS
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2024 Honda BF4AHSHNA vs 2024 Tohatsu MFS3.5CS
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2024 Honda BF4AHSHNA vs 2024 Suzuki DF4AS
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2024 Honda BF4AHSHNA vs 2022 Honda BF4AHSHNA
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2024 Honda BF4AHSHNA vs 2023 Honda BF4AHSHNA
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2024 Honda BF4AHSHNA vs 2024 Mercury 3.5 FourStroke
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2024 Honda BF4AHSHNA vs 2024 Mercury 4 FourStroke
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2025 Tohatsu MFS3.5CS vs 2025 Mercury 3.5 FourStroke
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2025 Tohatsu MFS3.5CS vs 2023 Mercury 4 FourStroke
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2025 Tohatsu MFS3.5CS vs 2025 Suzuki DF4AS
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2025 Tohatsu MFS3.5CS vs 2024 Tohatsu MFS3.5CS
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2025 Tohatsu MFS3.5CS vs 2024 Suzuki DF4AS
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2025 Tohatsu MFS3.5CS vs 2022 Honda BF4AHSHNA
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2025 Tohatsu MFS3.5CS vs 2023 Honda BF4AHSHNA
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2025 Tohatsu MFS3.5CS vs 2024 Mercury 3.5 FourStroke
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2025 Tohatsu MFS3.5CS vs 2024 Mercury 4 FourStroke
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2025 Mercury 3.5 FourStroke vs 2023 Mercury 4 FourStroke
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2025 Mercury 3.5 FourStroke vs 2025 Suzuki DF4AS
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2025 Mercury 3.5 FourStroke vs 2024 Tohatsu MFS3.5CS
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2025 Mercury 3.5 FourStroke vs 2024 Suzuki DF4AS
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2025 Mercury 3.5 FourStroke vs 2022 Honda BF4AHSHNA
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2025 Mercury 3.5 FourStroke vs 2023 Honda BF4AHSHNA
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2025 Mercury 3.5 FourStroke vs 2024 Mercury 3.5 FourStroke
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2025 Mercury 3.5 FourStroke vs 2024 Mercury 4 FourStroke
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2023 Mercury 4 FourStroke vs 2025 Suzuki DF4AS
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2023 Mercury 4 FourStroke vs 2024 Tohatsu MFS3.5CS
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2023 Mercury 4 FourStroke vs 2024 Suzuki DF4AS
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2023 Mercury 4 FourStroke vs 2022 Honda BF4AHSHNA
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2023 Mercury 4 FourStroke vs 2023 Honda BF4AHSHNA
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2023 Mercury 4 FourStroke vs 2024 Mercury 3.5 FourStroke
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2023 Mercury 4 FourStroke vs 2024 Mercury 4 FourStroke
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2025 Suzuki DF4AS vs 2024 Tohatsu MFS3.5CS
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2025 Suzuki DF4AS vs 2024 Suzuki DF4AS
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2025 Suzuki DF4AS vs 2022 Honda BF4AHSHNA
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2025 Suzuki DF4AS vs 2023 Honda BF4AHSHNA
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2025 Suzuki DF4AS vs 2024 Mercury 3.5 FourStroke
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2025 Suzuki DF4AS vs 2024 Mercury 4 FourStroke
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2024 Tohatsu MFS3.5CS vs 2024 Suzuki DF4AS
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2024 Tohatsu MFS3.5CS vs 2022 Honda BF4AHSHNA
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2024 Tohatsu MFS3.5CS vs 2023 Honda BF4AHSHNA
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2024 Tohatsu MFS3.5CS vs 2024 Mercury 3.5 FourStroke
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2024 Tohatsu MFS3.5CS vs 2024 Mercury 4 FourStroke
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2024 Suzuki DF4AS vs 2022 Honda BF4AHSHNA
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2024 Suzuki DF4AS vs 2023 Honda BF4AHSHNA
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2024 Suzuki DF4AS vs 2024 Mercury 3.5 FourStroke
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2024 Suzuki DF4AS vs 2024 Mercury 4 FourStroke
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2022 Honda BF4AHSHNA vs 2023 Honda BF4AHSHNA
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2022 Honda BF4AHSHNA vs 2024 Mercury 3.5 FourStroke
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2022 Honda BF4AHSHNA vs 2024 Mercury 4 FourStroke
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2023 Honda BF4AHSHNA vs 2024 Mercury 3.5 FourStroke
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2023 Honda BF4AHSHNA vs 2024 Mercury 4 FourStroke
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2024 Mercury 3.5 FourStroke vs 2024 Mercury 4 FourStroke