Choosing a power unit for a small vessel is always about balancing power, weight and cost of ownership. Nissan Marin outboard motor 5 hpMany aquatic motorists consider the purchase of this model as an "entrance ticket" to the world of comfortable navigation, because 5 horsepower allows you not only to glid on light PVC boats, but also confidently overcome the oncoming current.
The pricing policy for these units varies depending on the configuration, but on average the cost remains competitive compared to direct analogues. Nissan Marine It is known for its technical replicability of Tohatsu’s time-tested solutions, which ensures the availability of parts, and before making a final purchase decision, you need to understand the technical details, because your safety on the water depends on it.
In this article, we will analyze in detail why this model is so popular, what to look for when inspecting in-store and how current market conditions affect the total amount of the check. Competent approach to selection This will prevent unnecessary spending in the future.
Technical specifications and design features
At the heart of the unit is a two-stroke internal combustion engine with a volume of 94 cubic centimeters, which provides excellent handling and low weight of the entire structure. Dry weight The device is only 21 kg, making it one of the lightest in its class, and for single fishermen who often unload and load a vessel, this parameter is critical.
The cooling system is based on the principle of taking water from a reservoir through a water intake located on lower unit, a classic solution that has proven itself for decades in the harshest conditions. thermostatIt helps the engine to get to working temperature faster, which is especially important in the cold season.
The transmission is a single-speed gearbox with reverse gear. The 2.08 gear ratio provides optimal torque on the propeller. The ignition system uses an electronic CDI that does not require adjustment of the gaps, which greatly simplifies maintenance for the owner.
- 🚀 Power: 5 hp at 5000 rpm, which allows you to reach speeds of up to 25-30 km / h on a light boat.
- ⚙️ Fuel system: carburetor, with built-in fuel tank volume of 1.1 liters (enough for about an hour of work).
- 🔄 Launch: manual starter (steer), simple and reliable in all weather conditions.
The exhaust system deserves special attention: exhaust gases are discharged through the screw hub, which significantly reduces the noise level under water and minimizes the risk of gases entering the boat cockpit. Nissan Marine in this modification is equipped with a rotary tiller, which can be installed on either side of the transom, providing maximum comfort control.
⚠️ Attention: Despite the presence of a built-in tank, for long walks, it is recommended to purchase an external fuel tank of 12 liters. The engine operation on a mixture with a high oil content (using only a small tank) can lead to the formation of soak on a candle.
The engine body is covered with multi-stage corrosion treatment, and the aluminum alloys used in the cylinder and diewood block casting are highly resistant to salt water, but this does not eliminate the need to flush the cooling system with fresh water after each outing.
Pricing and factors of influence on cost
The market for water-engines is subject to fluctuations, and The price of the Nissan Marin outboard motor 5 hp The final cost is influenced by a variety of factors, from currency exchange rates to supply chains, and there is a trend towards higher prices at the moment, but the model remains in the affordable segment due to high competition.
Official dealers and small retail outlets are often offered higher prices, but they already include pre-sales preparation, warranty service and the possibility of obtaining a service book. Buying from hand or dealers can save the budget, but carries the risk of purchasing used equipment or counterfeit.
The table below shows a comparison of the average market prices for new equipment depending on the configuration and type of seller.
| Type of seller | Completement | Average price (ruble) | Guarantee |
|---|---|---|---|
| Official dealer | Full (motor + documents) | 85 000 - 95 000 | 2 years |
| A major online store | Complete. | 82 000 - 90 000 | 1-2 years |
| Private announcement (new) | No service book. | 70 000 - 78 000 | Missing. |
| B/U Market (chorus) | B/u after break-in | 45 000 - 60 000 | No. |
It is important to understand that low-price The engine, brought "in the gray", can have traces of storage in a warehouse without proper conditions, which will affect the rubber seals and fuel system.
⚠️ Attention: When buying, pay attention to the release date. If the engine is more than 3-4 years old, even in the factory packaging, be sure to check the condition of the oil oil oils and gaskets, as the rubber may have dried up.
Prices are also affected by stock availability and seasonality, and traditionally, late fall prices can decline as demand falls, and in spring, in the high season, prices peak because of high demand.
Advantages and disadvantages of the model
Every technique has its strengths and weaknesses. Nissan Marine 5 hp It is no exception, having collected the best features of Japanese engineering, but retaining some of the design limitations of two-stroke engines.
The ultimate trump card is phenomenal reliability. The simplicity of design means that there is virtually nothing to break in the engine; the lack of sophisticated electronics makes it immune to fuel quality (within reasonable limits) and allows for field repairs with minimal tooling.
- ✅ Easiness: One of the lightest engines in the 5 hp class, which is critical for small boats.
- ✅ Repairability: Parts are available and inexpensive, the design is familiar to any motorist.
- ❌ Fuel consumption: Like all two-strokes, they consume more gasoline than modern four-stroke counterparts.
- ❌ Noise: At high revs, the sound of the engine is quite loud, although lower than that of old Soviet counterparts.
The disadvantages of this are the need to prepare a fuel mixture: you will have to mix gasoline and oil yourself in a ratio of 1:50 (for a 1:25 break-in), which requires discipline and the availability of measuring capacity, although many experienced users prepare the mixture immediately in a large canister.
The secret to saving resources
Use only high-quality synthetic oils for two-stroke engines labeled TC-W3. Cheap mineral oils lead to exhaust window coking and power loss after 20-30 motor hours.
Another nuance is that there's no classically neutral gear when driving, and although there's a reverse, two-stroke maneuverability is sometimes inferior to four-strokes because of the low-speed propeller.
However, for tasks where every kilogram of weight is important and simplicity is important, model It's a workhorse that will start even after winter downtime, if you've properly preserved the system.
Testing process and first maintenance
How the break-in will go depends on 80% of the resource of your engine. outboard motor Nissan Marin It requires strict adherence to time intervals in different modes, and neglecting these rules can lead to bullying of the piston group and loss of compression.
The whole process is divided into two main stages: the first stage lasts 2 hours (or 10 tanks of fuel), during which time you can not open the throttle more than 50%. This is necessary to latch the piston rings to the walls of the cylinder. The second stage is the next 8 hours, where you can work at full gas, but intermittently.
☑️ Checklist of proper breaking in
After the break-in is completed, the first maintenance is required, which includes replacing the spark plug, checking the tightening of all bolt joints (the vibration could weaken them), and lubricating the knots, and replacing the oil in the gearbox, even if the plant claims that it is filled forever, it is better to be safe and see if there is an emulsion in it.
⚠️ Attention: Never run the engine out of water (on land) for longer than 1-2 minutes. The lack of cooling instantly overheats lower unit and glands, leading to expensive repairs.
To replace the oil in the redtor, use a special syringe or pump, twisting the bottom screw for draining and the top one for pouring until the oil comes from the top hole. This ensures that there are no air traffic jams.
Comparison with competitors: Tohatsu and Yamaha
In the market of 5-horsepower engines Nissan Marine There are two major rivals: the Tohatsu M5BDS and the Yamaha 5CMHS. They are all two-stroke, but there are nuances. Tohatsu and Nissan are technically identical (manufactured in the same factory), the difference is only in nameplates and the color of plastic. Yamaha has its own design features, such as the P. T. S. exhaust treatment system, which makes it slightly more environmentally friendly, but more difficult to maintain.
By weight, Yamaha often beats competitors by being 1-1.5 kg lighter. Nissan Marine Nissan's vibrancy is slightly higher because of the crankshaft balancing, but it's a subjective parameter that's only noticeable when idling.
When choosing between Nissan and Yamaha, look at the shape of the lower unit. Yamaha's often narrower, which creates less water resistance, but Nissan's water intake is more protected from algae.
If you consider four-stroke counterparts, they will be heavier (about 25-27 kg) and more expensive to buy, but more economical in fuel consumption. However, for boats up to 3 meters long, the difference in gasoline consumption will be insignificant (about 100 grams per hour), and the difference in weight of 5 kg will become noticeable when carrying.
So if you want maximum autonomy and minimum weight, the Nissan 5bhp is one of the best choices, and if you want to keep quiet and fuel economy on long routes, you should look at four-strokes, but they will already cost significantly more.
Frequent malfunctions and ways to eliminate them
Even the most reliable motor can require attention, and most often owners face problems starting or losing power. carburetor The ignition system will help solve 90% of the problems on your own.
If the engine doesn't start, the first thing you do is check for a spark. Twisting the candle, pressing it with your skirt to the engine mass, and pulling the starter. If there's no spark, the problem is the ignition coil or the stop button. If there's a spark but the engine is silent, it's probably a fuel supply disorder. Often the carburetor's chiclar or the fuel filter mesh is clogged.
Overheating of the engine usually signals problems with pumping. The water pump's wing is made of rubber and over time wears out or loses elasticity. If you notice that the water jet has stopped coming from the control hole, you need to immediately shut down the engine and replace the impeller.
- 🔧 Shoots at the silencer: Disturbed gas distribution phases or too poor mixture (little oil in gasoline).
- 🔧 Deaf on singles: It is required to adjust the quality of the screw mixture on the carburetor or cleaning the idle.
- 🔧 Vibration: Check the screw balance and the condition of the lower unit for impacts on underwater objects.
For prevention, it is recommended to remove the carburetor once a season and blow it with compressed air, also remember to lubricate the gas cable and the rummel so that they do not acidify from moisture.
Timely replacement of the impeller pump (once in 2-3 seasons) is the cheapest way to avoid major repairs of the engine due to overheating.
FAQ: Frequently asked questions
What is the best gasoline to use for Nissan Marine 5 hp?
It is recommended to use AI-92 or AI-95 gasoline with an octane number of at least 92. The main requirement is freshness of fuel. Gasoline that has stood for more than 3 months loses its properties and can clog the carburetor with resinous deposits. Be sure to add a quality two-stroke oil.
Can this motor be used in salt water?
Yeah, Nissan Marine Adapted for use in salt water thanks to anti-corrosion coating and the use of stainless steels in key nodes. However, after each outing, be sure to wash the engine with fresh water using a special nozzle on the lower unit so that the salt does not crystallize inside the cooling system.
Do I need to register a outboard motor in GIMS?
According to the current legislation of the Russian Federation, outboard motors with a capacity of up to 10 hp (inclusive) are not subject to mandatory registration in the GIMS if the total weight of the equipped vessel with an engine does not exceed 200 kg. Since 5 hp weigh about 21 kg, in conjunction with a light PVC boat they usually do not require registration and rights of category "B1".
How to Preserve the Motor for the Winter?
You need to fully develop the fuel from the carburetor (let the engine stall itself), twist the candle and pour 5-10 ml of engine oil into the cylinder, then pull the starter several times to distribute the oil. The candle is twisted back (without tightening until the end) or stored separately. The motor is stored in an upright position in a dry room.