outboard motor Yamaha 3bhp. This compact yet powerful unit from a Japanese manufacturer combines reliability, efficiency and ease of operation. In this article, we will examine all the key aspects of the model: from technical parameters to operational nuances, compare with competitors and answer frequent questions of customers.
Feature Yamaha engines The 3 hp model is no exception, it's suitable for both PVC inflatable boats and small aluminum vessels, but before you buy it, you need to understand what you're going to do with it, and it depends on whether the engine is the best choice or whether you're going to consider alternatives.
Technical specifications of Yamaha 3 hp: what is under the hood?
Model Yamaha F3BMHS (or its modifications) refers to a series of four-stroke motors with an upper valve arrangement (OHVThis means that the engine is quieter and more economical than two-stroke counterparts, and also meets modern environmental standards.
- 🔧 Type of enginefour-stroke, 1-cylinder, air-cooled
- ⚡ Power: 3 hp (2.2 kW) at 5000 rpm
- ⛽ Engine volume:79 cm3
- ⚖️ Weight.: 13 kg (no fuel)
- 📏 The length of lower unit: 381 mm (short) / 508 mm (long)
- 🔋 Ignition system: electronic (CDI)
One of the key advantages is The possibility of operating on AI-92 gasoline without the risk of detonationThe motor is equipped with a manual starter and in some versions an electric starter (optional), the maximum speed of the boat depends on its weight and hydrodynamics, but on average it is equal to the maximum speed of the boat. 15–20 km/h for PVC boats with a length of 2.8-3.2 m.
| Parameter | Meaning | Note |
|---|---|---|
| Type of fuel | Gasoline AI-92 | AI-95 Allowed |
| Volume of fuel tank | 1.1 l (built-in) | Connecting an external tank optionally |
| Fuel consumption | 0.9-1.2 l/h | At medium load |
| Max, angle of inclination | 15° | To optimize the propeller |
It is important to note that the motor is not designed for long transitions at high speed, its main purpose is to maneuver, troll or quiet walks. Yamaha 3bhp. It's the perfect option.
Pros and cons: honest analysis
Like any other technical product, Yamaha 3bhp. It has strengths and weaknesses, and we'll look at them based on feedback from owners and expert tests.
Advantages
- ✅ ReliabilityJapanese build and materials quality guarantees a long service life with the right maintenance.
- ✅ Economy: fuel consumption is 2-3 times lower than that of two-stroke analogues.
- ✅ Quiet work.: noise level not exceeding
65 dB, which is important for fishing. - ✅ Ease of maintenanceReplacement of oil and candles are basic procedures that are easy to perform on your own.
Deficiencies
- ❌ Price.higher than the Chinese or domestic counterparts (e.g., Honda BF2.3 or Tohatsu 3.5).
- ❌ Weight.13 kg may seem heavy to carry over long distances.
- ❌ Limited power: not suitable for boats longer than 3.5 m or with a large number of passengers
⚠️ Attention.: When operating in salt water, you need to wash the cooling system with fresh water after each use, and ignoring this rule leads to corrosion and reduced engine life.
Compared to competitors, Yamaha It's a win in reliability, but it's a loss in value. Mercury 3.5 It's 10 to 15 percent cheaper, but it requires more frequent maintenance, and it depends on priorities, and if you care about durability, you're justified in overpaying.
Comparison with the analogues: Yamaha vs Honda vs Mercury
To understand how Yamaha 3bhp. Competitive, compared to popular models of other brands in the same power class.
| Characterization | Yamaha F3BMHS | Honda BF2.3 | Mercury 3.5M |
|---|---|---|---|
| Type of engine | four-stroke, OHV | four-stroke, SOHC | two-stroke |
| Weight, kg | 13 | 12.5 | 11 |
| Fuel consumption, l/h | 0.9–1.2 | 0.8–1.1 | 1.5–2.0 |
| Noise level, dB | 65 | 63 | 75 |
| Price, thousand rubles. | 55–65 | 50–60 | 40–50 |
*Prices are valid for 2026 and may vary by region and dealer.
Honda BF2.3 lighter and slightly more economical, but inferior in maximum power (2.3 hp vs. 3 hp). Mercury 3.5M It's cheaper and easier to repair, but noisier and less environmentally friendly, depending on your budget and your goals.
- 🎣 Better for fishing. Yamaha or Honda (Silence and economy).
- 💰 For the budgetary option, Mercury.
- 🛠️ If the ease of repair is important, two-stroke Mercury or Tohatsu.
The Yamaha 3bhp is optimal for those who value reliability and are willing to pay for the brand. Alternatives are worth considering for rare use or a limited budget.
Operation and maintenance: tips from the masters
For the engine to last for many years, you need to follow the manufacturer's recommendations for maintenance.
- break-in: the first 10 hours of operation at 75 percent of the maximum power, which allows the parts to get lost.
- Oil replacementEvery 50 hours of work or once a season (use oil)
SAE 10W-30orSAE 10W-40for four-stroke engines. - Cleaning the spark plugEvery 100 hours or if you have signs of unstable work.
- Flushing of the cooling system: after use in salt water or at the end of the season.
For winter storage:
Fuel system preservation (add fuel stabilizer)
Pour out the old oil and pour the new
Remove the propeller, clean the dirt and lubricate
Store in a dry room at a temperature above 0 ° C->
⚠️ Attention.: Never use motor oil for cars! In outboard motors, special oils with additives are used to protect against corrosion in high humidity conditions.
If the engine does not start, check:
- 🔋 Fuel availability and open feed crane.
- 🔥 The state of the spark plug (the presence of a spark).
- 🛢️ Oil level (at a low level, protection works).
- 🔌 Wire connection and contacts.
After a long downtime (over 1 month) before starting the engine, drain the old fuel and refill the fresh. Gasoline loses its octane number over time, which can lead to difficult start-up.
Real-life customer reviews: What do users say?
Analysis of feedback on forums (e.g., FishHunting or BoatPlace) shows that Yamaha 3bhp. It gets an average of 4.5-4.7 stars out of 5.
Positive feedback
- 👍 "I bought it in 2021, for 3 seasons, no breakdownsIt starts from half-turn, even after winter, fuel consumption is minimal - enough for a whole day of fishing.
- 👍 "Perfect for trolling.Quiet, does not scare fish, easily controlled with one hand. -Alexei, St. Petersburg
Negative reviews
- 👎 "The expensive one's in repair.The spare parts are original, and the analogues are not suitable for all. For example, a candle costs 800 rubles.
- 👎 "Weak for boat 3.5mWith two passengers, it barely stretches 10 km / h. (Sergei, Krasnodar)
A common complaint is the high cost of maintenance in official services, but many owners note that with self-maintenance (replacing oil, candles), the costs are minimal.
What to do if the motor overheats?
If the engine Yamaha 3bhp. It's overheating, check:
1. Clogging of the cooling system (algae, mud in the water intake).
2. Low oil levels (Temperature sensor may be activated).
3. Thermostat malfunction (It is rare but needs replacement).
4. Working at high speeds for a long time (Even 3 HP needs breaks).
If the problem persists, contact the service for a cooling pump diagnosis.
Where to buy and how much it costs: prices and dealers
New engine Yamaha F3BMHS in 2026, it is worth 55,000 to 65,000 rublesDepending on the configuration (manual / electric starter, length of lower unit).
- 🏪 Official Yamaha dealers: 2–3 years warranty, but the price is higher. Yamaha Motor Russia, BoatPro.
- 🛒 Large online stores: Ozon, Wildberries, Kupivip.ruThere are often discounts, but the guarantee may be less.
- 🔄 B/w market: Avito, yulaPrice starting at 30,000 rubles, but the risk of buying a cat in a bag is high.
When buying, pay attention to:
- 📄 Presence product passport and a warranty card.
- 🔧 Set (the standard set includes: propeller, fuel tank, keys).
- 🛠️ Provide service in your area.
⚠️ Attention.: There are fake brand names on the market YamahaThe original engine has a serial number on the body, which can be checked on the manufacturer's website.
FAQ: Answers to Frequent Questions
❓ Can I use the Yamaha 3 hp engine for a 4-meter boat?
Technically possible, but the engine will work at the limit of its capabilities. The optimal length of the boat - up to 3.2-3.5 m For a 4-meter boat, a motor from 5 hp is recommended.
❓ Which propeller is better to put to increase speed?
Standard screw has a pitch 7.5"To increase speed, you can install a screw with a step 8"But it's going to reduce the thrust at low speeds, and for trolling, it's better to leave the standard one or put the screw in step. 6.5".
❓ How much oil should I put in the engine?
The volume of oil in the engine. 0.6 lUse oil for four-stroke outboard motors (e.g., Yamalube 4M or Quicksilver 10W-30).
❓ Can I transport the engine on the plane?
Yes, but with airline regulations, the engine must be fuel-free (gasoline and oil drains), packaged in a hard case, some airlines require prior approval.
❓ What is the maximum speed of a boat with this engine?
Speed depends on the boat:
- PVC boat 2.8-3.2 m:
15–20 km/h(1 person). - Aluminum boat 3.0 m:
12-16 km/h(2 persons). - Inflatable catamaran: up to
10 km/h(due to a lot of resistance).