yamaha sx190 problems

Yamaha sx190 Problems – 4 Issues Solved!


Yamaha is a trusted name and a quality brand. They are well known for their reliability. However, like every other manufacturer, their products can face various problems as well.

But what are the Yamaha sx190 problems?

Yamaha sx190 mainly faces engine problems. Apart from that, there are other problems like high maintenance costs, touchscreen not working, etc. You’ll find some battery issues and poor fuel performance as well. But let’s not forget, there are some pros of Yamaha sx190 that define them well.

The above portion is just a summary of what lies ahead in this article. So, to know everything in detail, you should proceed further. 

You may find some interesting facts waiting for you. So, let’s get started.

4 Problems of Yamaha sx190

The problems occurring can be of different types and they have different solutions as well. So, we’ve divided all the problems into different sections and discussed them. You’ll find some quick solutions attached with them as well for your convenience.

The problems are as follows-

1. Engine Problems

Your Yamaha sx190 can face various engine-related problems. In fact, engine problems are some of the most faced problems.

For example, you may feel severe vibration while running the boat. As you see a certain speed range crossing the speedometer of your boat, you’ll feel the vibration. This vibration can shake the boat very much and you might feel uncomfortable.

Another problem that you may face is having low output from the engine. This includes not being able to start the engine smoothly, not having enough power, etc. In short, the engine doesn’t perform to its full potential.

Due to engine problems, sometimes you may see smoke coming out unnecessarily. This smoke outcome can be bad. At times, accelerating the boat above 30 mph causes the engine to produce a very loud sound. This can make you feel that your ears are bleeding.

Also, your engine oil can get emulsified with water and you may see mayonnaise-like substances there. This is also known as the mayonnaise effect. Due to this occurrence, your boat may get stopped in the middle of the water.

Overheating is another issue worth mentioning in this regard. The engine gets overheated and malfunctions sometimes. These are all engine-related problems and they make you suffer quite well. So, it’s pretty stressful to deal with this problem.


There are some possible solutions to this problem. Hope they may work for you.

First, check the impeller of your boat to make sure there’s nothing stuck in it. The mayonnaise effect occurs if the engine is submerged in water. However, there may be other reasons. You should change the oil along with the filter. 

Also, check if there’s any fault in them. Low-quality engine oils can be responsible for the same problem as well. So, use recommended engine oil.

In case you’re looking for high-quality engine oil, we’ve some suggestions for you. Please check them out.

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Hope you’ll find a suitable engine oil here for your boat.

Cavitation can be a possible cause of the overheating of your engine. This means some toxic gas bubbles are being produced underwater that are affecting your boat. So, to solve this, check if water is flowing properly through the peephole. Thus the gas bubbles will be removed.

The smoke can be caused due to debris getting sucked up by your boat. So, clear that and your boat might be well enough to ride.

In short, these are some of the fixes for engine-related problems.

2. High Maintenance Cost

Maintaining Yamaha sx190 can be very costly. Their engines should be maintained well or else they may face various problems. This is, of course, cleared in the previous point as you saw many engine-related problems. And maintenance of them requires assistance from experts as well.


Keep the mindset of spending a substantial amount of cash for your boat. Make time for routine maintenance of your boat. Ask others who own the same boat for maintenance tips and tricks. Thus it can help you to get through.

3. Battery And Poor Fuel Performance

Yamaha sx190 is a jet boat, so don’t expect very good fuel economy. They will burn quite a lot of fuel when you operate them. So, be prepared for that.

Your Yamaha sx190 can face battery issues as well. For example, battery drains too fast and other issues. The overall battery performance isn’t satisfactory.


Use good quality fuel which can solve the fuel economy problem to a little extent. Also, don’t keep your engine turned on when it’s not necessary. Thus you can save some fuel. And about the battery, always keep a proper backup. Charge the boat battery well when you’re not using the boat.

4. Touchscreen Not Working

This is another common problem faced by the Yamaha sx190 owners. When you try to operate the touch screen, it doesn’t respond. You can’t change the settings from the touch screen. Sometimes, it also doesn’t show some of the necessary parameters.


This problem is easy to fix and you can solve this on your own. You’ll see a system control button which you need to press and hold. After that, you’ll see a pop-up named diagnostics screen. 

There you need to follow the process of recalibrating. Finally, you’ll be good to go.

So, these were some of the common problems of Yamaha sx190. Solve them according to the steps mentioned here. Also, you can take assistance from service centers. 

In case you have a warranty, make the best utilization of it. That means, repair your boat for free by the manufacturers.


Can Yamaha boats be called reliable?

Yamaha is a well-known brand for reliability. So, despite facing some problems, Yamaha is a great choice if you’re into boating. The performance, durability, power, stability everything is great in Yamaha boats. So, they are reliable.

How many hours can Yamaha jet engines deliver?

Yamaha jet engines are capable of delivering 200-300 hours with their two-stroke. However, their four strokes can deliver around 300-500 hours. But these numbers are just assumptions. In real cases, your maintenance and usage pattern will determine how long they will last.

What’s the time frame for changing engine oils in jet boats?

You should change the engine oil in a jet boat after every 100 hours. This is a part of the basic maintenance of the boat and you should follow it.

Do Yamaha jet boats have better market value?

Yes, Yamaha jet boats hold better market value than most other boats. It’s because of their brand reliability and recognition over the years. There’s also a huge demand for them that makes them hold better market value.


We’re at the brink of the end of the Yamaha sx190 problems discussion. We discussed them elaborately so that you understand them better. Hopefully, you got them pretty well.

Despite some problems, Yamaha jet boats serve their purpose very well. Overall you won’t be disappointed by their service considering their pros. 

So, take care of your boat well and have a nice day. That’s all from us.

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