Outboard Motor Trim Will Not Stay Up – 4 Solutions

outboard motor trim will not stay up
outboard motor trim will not stay up

One of the most common issues that you can expect with the outboard motor is the trim not working properly. Even the products from the most reliable brands like Mercury often run into this issue with the outboard motor.

This is why it is important that you keep these motors maintained.

It can be quite annoying when you can’t properly adjust the angle of your unit to get optimal performance out of the unit. In this situation, you should call an expert immediately to help with the issue.

With that said, many users have recently come forward with outboard motor trim issues.

If you’re also in a situation where the outboard motor trim will not stay up, then the following list of troubleshooting methods will help you maneuver this problem.

Going through these steps carefully is important as it allows people to understand what might be causing the issue.

Once you know this, you can fix the problems easily by using the solutions provided. The process is mostly simple, and it should help you in ensuring that your motor trims stay up without any further problems.

If you are still confused, then contact the support team might be required.

Outboard Motor Trim Will Not Stay Up

  1. Tighten Release Valve

Among other factors, issues with the manual release valve are most common for users struggling with outboard motor trim not staying up.

So, if you’re having no issues with elevating the engine but it comes down after a while, then there is a good chance that the manual release valve is not tight.

That is why your motor will come down after staying in the up position for a few moments. In most situations, you won’t have to do anything more than tighten up the release valve.

So, access the manual release valve and make sure it is tightened properly in the close position.

Now, you can try to use the trim to see if it will stay up. Hopefully, the issue will be fixed at this stage.

manual guide

If you are having trouble trying to tighten the release valve, then it is recommended that you consult the manual provided along the outboard motor.

This should contain all the information required regarding the valves. People going through the instructions should be able to tighten the connections and ensure that the problem can be fixed.

If you are still confused for some reason, then try searching for video guides online.

  1. Replace O Rings

If you’re sure that the release valve is tightened properly, there is a good chance that you’re dealing with an O-ring problem.

These rings can get loose or damaged over time if you put your unit through rough use. So, even if the valve is tightened properly, replacing the O rings is a good option for you.

You won’t have to spend an extended amount of budget on this unit, and the issue will be fixed in no time.

So, just go to your nearest hardware store and grab yourself an O-ring replacement for your release valve. Install it in the unit and then test the trim feature again.


The issue will most likely be fixed at this stage. If you are having trouble trying to find the O-ring replacement, then this can also be ordered directly from the brand you got your outboard motor from.

This can be better in most cases as the brand will provide you with a high-quality O-ring.

  1. Check Hydraulic Fluid

Another factor that you have to keep in mind while dealing with this issue is the hydraulic fluid. Most anglers that are running into this issue mention that the hydraulic fluid levels on their unit were not sufficient.

So, if you’ve not checked the hydraulic fluid levels on your unit for a long time, now might be a good idea to do so. Most often than not, you will find that the hydraulic fluids are low.

You can easily get around this issue by adding more fluid to the reservoir.

It won’t take any more than a few minutes, and your trim will stay up without further issues. The main reason this works is that the hydraulic fluid allows the trims to stay lubricated.

Additionally, it allows them to work properly without running into any further problems.


However, if you’re still stuck in the same problem, make sure to seek help from local experts. There are some additional things that should be noted here which is why it is best that you move on to the next step.

  1. Contact The Customer Support Team

In most cases, the steps provided above are enough for people to fix the problem with their motor trim not staying up.

Although, if you notice that the problem is still not getting fixed then there is a high chance that there might be something wrong with the device.

There are tons of moving parts inside it that can get damaged or broken. People can either go through the different parts of their motor to find the ones that have become faulty.

Alternatively, a better solution is that you contact the support team instead.

The main reason this is better is that only experienced users that understand how the motor functions can troubleshoot it. The process is also quite long as you have to check each and every part one by one.

To prevent all this hassle, you can simply ask the team to help you out.


They will first ask you some questions regarding the issue so make sure that you answer all of these carefully. Once done, the team will then provide you with a list of troubleshooting steps that can be tried.

Use these and check if the problem you were running into gets fixed or not.

If you notice that the problem is still appearing on your Outboard motor trims, then some parts might require a replacement. You have two options that can be used here.

The first one includes asking the team to send you a replacement so that you can install it on your own.

If you are not feeling hesitant then this can be a great solution as you can quickly install the parts. On the other hand, if you don’t know how these can be installed then it is much better that you send your device back to the brand.

They will look into the problem and install the replacements for you.

Another great thing about this is that you can even get free repairs and replacements if your motor was still under warranty. This lasts several years and there are some guidelines that should be followed.

As long as you go through all of these, the problem should be fixed.

Leave a Comment