Buying water transport is always a balance between saving and risking a problem asset. The market for used watercraft is huge, and finding a decent option is a good choice. motor It's very real if you know where to look and what to look at, and many beginners make the mistake of focusing on the appearance of the device, forgetting the technicalities of the operation.
In this article, we will discuss all the stages of selection, from determining the type of body to checking the engine on water. Aluminum boats PVC These boats require very different approaches to diagnostics, and a competent approach will allow you to purchase a reliable vessel that will last for many years.
Material selection: PVC vs. Aluminum
The first thing you need to decide before buying is the material of the case. Polyvinyl chloride (PVC) dominates the small boat segment because of its versatility. It's lighter, softer on the go and generally cheaper to maintain than metal. aluminum Alloys (e.g. duraluminum) benefit in durability and ability to keep a bump on a rocky bottom.
If you plan to go out into shallow waters or overgrown shores often, metal can be a lifeline. aluminum It makes a lot of noise on the wave and requires a more powerful motor to go into the plane. PVC, on the contrary, extinguishes vibrations, but is afraid of sparks and sharp objects.
For family holidays and fishing in calm water is often chosen inflatable They're compact, they don't require a trailer, and aluminum is for those who would put up with having to keep a boat on a trailer or trailer for the sake of being "unkillable."
⚠️ Warning: When buying an aluminum boat, carefully examine the welds. The presence of oxides or microcracks may indicate a violation of welding technology, which threatens flooding.
Diagnosis of the inflatable hull of the PVC boat
Buying. inflatable You actually buy a set of cylinders and the bottom, and the weakest part is the joint of the balloon with soldering, and that's where the most stratification occurs, and you have the seller inflate the boat to the working pressure and leave it in the sun for at least an hour, and if the pressure drops, look for the cause.
Pay attention. graffitiIn budget models, it's plywood, in expensive ones, it's aluminum. Plywood can eventually dissipate from moisture, even if it's lacquered. Check if the transom walks when pressed. A transom's luft is a direct route to losing the motor overboard.
Look at this. cylinders A good patch, whether it's made in a factory or a good craftsman, is not scary, but if you see a patchwork of glue and different colored pieces of fabric, you better stop buying it. The old glue loses its properties, and the seams can break apart at the most inopportune moment.
Use a soap solution to look for leaks, apply it to the joints of cylinders and transoms, and at the site of the leak, there will be characteristic bubbles that do not disappear.
Inspection of the aluminum shell and seams
A metal boat powered by a boo is an investment for decades, but only if there is no corrosion. aluminum electrochemical corrosion, especially if the boat was operated in salt water or storage without corrosion treatment, carefully inspect the bottom from the inside and outside.
Pay special attention kilsons And you can tap on the sides, and if you hear a deaf sound, you can tell if the paint is peeling off or if there's a defect, and the dents on the sides are less severe than the cracks in the welds.
Check the complete set: jockAluminum boats often break the mounts of the cans due to vibration, make sure that all the elements are securely secured and do not have sharp edges that can injure or damage equipment.
| Verification parameter | Norma (PVC) | Norma (Aluminum) | Critical defect |
|---|---|---|---|
| Tightness | Holds 24 hours. | Absence of leakage | Air whistle/water jet |
| Tranza | No backlash, dry. | No cracks, smooth. | Rotten plywood/crack in metal |
| Bottom | A whole layer of slut. | Smooth, dentless. | Brushed bottom/deep dent |
| Seams/Pike | No stratifications. | No oxides. | Bloating of the seam/black dots |
Choice of outboard motor: 2T or 4T?
The second hand is not only buying boats, but also motorsThere's a perpetual argument here: two-stroke or four-stroke? Two-stroke.2T) lighter, easier to transport (you can carry on your side) and cheaper to repair, but they require a mixture of gasoline and oil and are more voracious.
Four-stroke engines (4T) It's more economical, quieter and more environmentally friendly. They don't require mixing fuel. But they have a caveat: they can't be transported on the side without draining oil, they're heavier and more expensive to maintain. Boats up to 3.5 meters long often take 2T, for heavier ones 4T.
When you check the used motor, make sure you ask it to start, it should start with confidence on the first or second thrust, and listen to the work: a foreign knock, a screech or tripping on blanks is bad signs. Ignition candle It should be a brick color, not black or white.
Why is the two-stroke engine smoking?
Excess smoke may be the norm when warmed up, but if the engine smokes blue smoke at full speed, it is a sign of burning oil, perhaps worn piston rings or broken proportions of the mixture.
Checking the motor on water and in the garage
Visual examination is only half the story. engine If the seller refuses to show the boat on the water ("no time", "cold", "far away"), it is a red flag. The thermostat (the pump should flow) and the ability to go plane is checked on the water.
Use a water barrel in the garage or on the shore, but remember: without loading, the engine can warm differently. compression This is an objective measure of the wear of the cylinder group. For most engines, normal compression starts from 9-10 atmospheres. The scatter between the cylinders should not exceed 1 atmosphere.
Check the lower unit, the dents on the lower unit pipe, or the screws on the wheel, and check the propeller backlash: if the propeller is more than a few millimeters, the bushings or bearings may be worn out.
☑️ Checklist for engine check
Legal aspects and documents
Buying with your hands is always a risk, so it's critical that you get the deal right. boat registration certificate (if registration with GIMS is required) or a contract of sale. serialwhich must match in the documents and on the case.
Check if the boat or the motor is in a pledge. This is especially true for expensive models bought on credit. Keep all checks and correspondence. The contract of sale should be drawn up in triplicate: one for you, one for the seller, one for registration (if you need one).
Keep in mind the registration rules: Boats weighing less than 200 kg and up to 8 kW (10 hp) are not subject to registration in the GIMS, but if you buy a kit where the boat is light and the engine is powerful, you need to register.
⚠️ Warning: Never give the full amount before you test your equipment on the water and check your serial numbers against your documents, and fraud is not uncommon.
The best boo boat is one that's not sold because of a problem, but because of an upgrade to a larger model or a change of hobby. Always ask why.
Cost of Ownership and Hidden Expenses
The purchase price is just the beginning. The operation of water technology requires investment. Transportation It requires a trailer (for aluminum) or a powerful roof trunk (for PVC), and it also requires the cost of fuel, storage (garage or parking) and winter preservation.
For PVC The expense of boats is to repair punctures and replace valves. For aluminum, painting and antifouling. The engine requires regular changes in oil, candles and lubricants. If you are not willing to spend time on maintenance, you should consider renting or buying new equipment with a guarantee.
Even with all the costs, the used equipment pays off faster. The used boat market is quite liquid: a good model in the season can be sold for the same money you bought for, or even at a small profit if you can restore.
Can I register a boat without documents from the previous owner?
Registering a boat with a GIMS without documents is extremely difficult, you will need to restore documents through the court or find a seller to restore the chain of ownership, without a boat's bill, you risk getting a fine and seizure of property on the first check on the water.
What is the resource of an outboard boo engine?
The resource depends on the model and maintenance. Two-stroke engines run 1000-2000 hours, four-stroke engines run 2000-4000 or more. The key factor is the availability of regular maintenance and the quality of the mixture (for 2T). A 500-hour motor can ideally be, and from 100 - already require capital.
Should I buy a boat with my hands on Avito?
Avito is the largest marketplace, but it's also a high risk of over-bought or scammed, looking for ads from individuals with a history, photos in operation and a willingness to show the product live. Prices below market prices are almost always a sign of hidden defects.