Buying a used Tohatsu 9.8 engine on Avito: how not to make a mistake

The outboard motors market in Russia is going through difficult times, and the search for a reliable unit is turning into a real quest for a water motor. Japanese quality It has always been highly valued and the brand Tohatsu And there's a leader here, especially in the small power class, and many fishermen and water lovers are now actively monitoring ads at the Avito site, hoping to find a way to find them. Tohatsu 9.8 In good condition at an adequate price.

However, buying equipment with your hands is always a lottery, where the stakes are high, and the price of an error can be estimated in the tens of thousands of rubles. 9.8 hp This is the middle ground for not registering a boat with GIMS, which makes this segment incredibly popular and, as a result, crowded with offers of different quality. In this article, we will discuss how to weed out fraudsters and technically defective units, so that your purchase becomes the beginning of pleasant travel, and not an occasion for frequent repairs.

You will face dozens of ads where sellers swear in perfect condition of the equipment, which may not even have run in years. Objective evaluation The state of the motor requires knowledge and attention, and we've developed a detailed algorithm to help you buy a working machine. boat-engine Avoid hidden defects that may occur on the water.

Why Tohatsu 9.8 and What are its Features

Model Tohatsu MFS9.8 Or older two-stroke versions have earned a reputation for being "unkillable" engines. Unlike many competitors, Japanese engineers have relied on the power of the engine. engine The two-stroke versions are famous for their traction and lightness, while the four-stroke versions are famous for their power. Four Stroke When buying a used version, it is important to clearly understand what type of motor you need, since their maintenance varies significantly.

The key advantage of the nine-horse is the ability to operate without registration in the register of small craft, if the total weight of the boat and motor does not exceed the established norms. Tohatsu 9.8 In the secondary market, you can find both "fresh" engines with minimal production, and units that have seen types that require capital intervention.

It is worth noting that Tohatsu It is often an OEM for other brands, such as Mercury or Nissan Marine, which means that many components are structurally identical, but the original Japanese engine is often assembled more carefully. cooling-system And the absence of traces of artisanal repairs, which often gives out engines that have been in inept hands.

⚠️ Warning: If the seller claims the engine is "Japanese-built" but the "Made in China" marking is stamped on the lower unit without explanation, this could be a sign of forgery or deep modernization by Chinese parts. Tohatsu For the Russian market, the marking of the plant in Japan is often available.

Avito Market Analysis: Prices and Risks

Pricing at the Avito site in the outboard segment is often chaotic. Tohatsu 9.8 The low price can range from 30 to 150 thousand rubles and above, depending on the year of production, condition and type of engine. The low price almost always signals hidden problems, from the lack of compression to cracks in the lower unit. Average market price On a serviceable used motor is usually kept at the level of 60-70% of the cost of a new one.

The risks of buying are high: you can buy a motor after drowning, which the seller "just dried", or a unit with the developed resource of the piston group. plate-plateThe engine number is his passport, and his absence or traces of interruption make the purchase legally risky.

It's important to analyze the history of the seller's profile. If a person sells a third engine in a month, it may be a dealer who hides real defects. Individuals who sell one motor for personal use are often more open to dialogue and can provide a service history. servicebook Or checks from the shops.

Remote verification of the announcement

The first phase of the dropout occurs before the seller calls. Tohatsu 9.8 Notice the condition of lower unit, the absence of deep scratches and dents indicates careful operation. If you see traces of welding or artisanal painting, you should skip this ad.

The text of the ad also tells you a lot, and phrases like "bump-block motor," "requires attention," or "selling as is" should alert you. spark plug The lack of specificity in the description often masks serious technical problems.

• 📸 Check the presence of a photo license plate and its readability.
• 📄 Make sure that the kit has a native tank, hose and pear.
• 🔧 Look for a mention of the latest service Tohatsu.
• 📞 Evaluate the seller’s willingness to answer technical questions.

Ask the seller specific questions: "When did the oil glands change?", "Does the engine burn?", "Is there a vibration?". If the interlocutor goes away from answers or becomes nervous, this is a bad sign. The perfect candidate The purchase is a motor that the owner can talk about for hours, knowing all its features.

Instructions for (check-up) at the meeting

Meeting a salesman is the most important part. boat-engine No personal inspection, and preferably a test run, bring a minimum set of tools: candle wrench, compressometer (preferably) and fuel tank. Start with the look: lower unit should not have any marks of heavy impacts on rocks or bottoms.

Compression check is a must-do. Unwrapped the candles and measure the pressure in the cylinders. Tohatsu 9.8 The normal atmosphere is 7-9, for four-stroke atmospheres - 10-12 atmospheres. The spread of readings between cylinders should not exceed 1 atmosphere. piston-group Or rings.

Make sure you check the ignition system. Unscrew the candles, apply them to the mass of the engine and sharply pull the starter. The spark must be powerful, blue and stable. A weak spark or lack of it will indicate problems with the engine. electronic Also check the carburetor (if any) for traces of gasoline and purity of jelly.

⚠️ Warning: Never run the engine dry out of water for even a few seconds, and this is guaranteed to disable the water pump and the osteometers, and you will be responsible for the breakdown, even if the engine was in good working order before.

Technical nuances: what to look at first

On examination Tohatsu 9.8 Pay special attention to the condition of the lower unit and anti-cavitation stove. The presence of deep corrosion, especially around the exhaust hole, can indicate a violation of temperature conditions or the use of poor-quality fuel. Aluminum alloysThe galvanic corrosion used by the Japanese is very durable, but galvanic corrosion can destroy them in a single season.

The most important element is the cooling system. When starting the engine on a barrel or in water, be sure to check the "control" - the hole from which a confident stream of water should beat. pump-dip Overheating is the main enemy of the outboard motor.

The table below will help you quickly navigate the main parameters of the check:

Parameter	Norm for 2T	Norm for 4T	Sign of a problem
Compression	7-9 atm	10-12 atm	Less than 6 atm.
Candle gap	0.9-1.0 mm	0.8-0.9 mm	Nagar, melting.
Cooling jet	Confident	Confident	Dripping or not.
Idle move	Stable.	Stable.	Floating speed

Don’t forget to check the gearshift system. Forward-Neutral-ReverseThe lever must be clear, without backlashes or jamming, and when the gear is turned on, the extraneous sounds may indicate wear on the gears of the gearbox, which is an expensive repair for the gearbox. Tohatsu 9.8.

Documents, bargaining and a secure transaction

Buying a used motor on Avito requires a purchase contract, especially if you plan to register a boat with it in the future (although this is not always necessary for 9.8 hp, but the engine number will be checked). Ask the seller for passport information and a copy of the document of the previous purchase, this will protect you from buying stolen property.

Trading is always appropriate, especially if you find minor defects, such as scuffling, lack of a tank or needing to replace candles, an argumented bargain of 10-15% of the price is normal practice, but do not demand a discount for nothing, you better offer to pick up the engine yourself and quickly.

Secrets of Safe Calculation

Never transfer the advance payment to strangers, use a secure transaction on Avito or only hand over the cash after the final engine check in front of witnesses, better meet in a crowded place or at the boat station.

The final deal should be transparent. Make sure that the engine number in the documents (if any) matches the one knocked out on the lower unit. This is a critical point that is often overlooked, and if a number is hit or interrupted, the engine can be seized by law enforcement.

Frequently Asked Questions (FAQ)

Can I check the compression without a special device?

You can't measure pressure accurately without a compressometer. But you can indirectly measure the condition: twist the candle, plug the candle hole with your finger, and pull the starter. If your finger blows out a jet of air, there's compression. If the air just comes out, the piston needs repair.

Which is better to buy: two-stroke or four-stroke Tohatsu 9.8 b / y?

Two-stroke Tohatsu It's easier to maintain, easier and cheaper to repair, but it requires mixing oil with gasoline. It's quieter, more economical and more environmentally friendly, but heavier and more expensive to repair (a complex valve design). It's often 2T for fishing, 4T for cruising.

How do I know if the engine has been sunk?

Look into the exhaust hole and gearbox, if you see rust, oxides, or emulsion water, the engine is sinking, and you can also see corrosion stains inside the carburetor or on candles that can't be cleaned.

Should I buy a motor without a lower unit (only a block of cylinders)?

Not unless you're a professional motorist, and the lack of a lower unit makes it difficult to test the pump, gearbox, and exhaust system, and also, a lower unit is a significant part of the cost, and you'll have to buy it separately for a full price.