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How To Replace Exhaust Bellows On Mercruiser Outdrive

If your Mercruiser outdrive is in need of a new exhaust bellows, don’t despair. Replacing them is a fairly easy process that anyone with basic mechanical skills can do. This article will walk you through the steps needed to replace your Mercruiser outdrive’s exhaust bellows.

  • Remove the old exhaust bellows from the mercruiser outdrive
  • Clean the mercruiser outdrive with a degreaser
  • Install the new exhaust bellows onto the mercruiser outdrive
  • Make sure the new exhaust bellows is snug and secure

Mercruiser exhaust bellows 7 minute install trick

How do you change the exhaust on a Mercruiser bellows?

If you have a Mercruiser and you’re looking to change the exhaust, there are a few things you need to know. The first is that there are two types of exhaust systems on Mercruisers – wet and dry. The wet exhaust system is the most common, and it’s the one you’ll find on most boats.

The dry exhaust system is less common, but it’s still used on some Mercruisers. To change the exhaust on a Mercruiser with a wet exhaust system, you’ll need to remove the old exhaust hose and replace it with a new one. To do this, you’ll need to unscrew the hose clamp that’s holding the exhaust hose in place.

Once you’ve done that, you can pull the old hose off and replace it with the new one. Make sure you screw the hose clamp back on tightly so that the new exhaust hose is secure. If you have a Mercruiser with a dry exhaust system, the process is a little different.

You’ll still need to remove the old exhaust hose, but you won’t need to replace it with a new one. Instead, you’ll need to plug the end of the exhaust hose that’s attached to the engine. To do this, you’ll need to find a plug that’s the same size as the end of the exhaust hose.

Once you’ve found the right size plug, you can insert it into the end of the exhaust hose and screw it in place.

How do I know if my exhaust bellows are bad?

If you think your exhaust bellows might be going bad, there are a few things you can look for to be sure. First, check for any cracks or holes in the bellows. If you see any, that’s a sure sign that they need to be replaced.

Another thing to look for is corrosion. If the bellows are starting to rust, they may not be able to do their job properly. Finally, if the bellows are sagging or misshapen, they may not be able to seal the exhaust properly, which can lead to leaks.

If you see any of these signs, it’s best to replace the bellows as soon as possible.

Is it hard to replace bellows on a boat?

No, it is not hard to replace bellows on a boat. You will need to purchase a new bellows and some sealant, and then follow these instructions: 1. Remove the old bellows from the boat.

This will involve removing the clamps that hold it in place. 2. Clean the area where the bellows was mounted. This will ensure a good seal when you install the new bellows.

3. Install the new bellows. Make sure to use the sealant to create a good seal. 4. Reattach the clamps to secure the new bellows in place.

What does an exhaust bellow do?

An exhaust bellow is a type of flexible pipe that is used to connect the exhaust system of a vehicle to the body of the vehicle. The bellow allows for movement between the two points while still providing a seal that prevents exhaust gases from escaping.

how to replace exhaust bellows on mercruiser outdrive


Exhaust bellows not connected to outdrive

If your exhaust bellows are not connected to your outdrive, it is important to have them checked by a professional as soon as possible. While this may not seem like a big deal, it can actually lead to some serious problems if left unchecked. The exhaust bellows are responsible for keeping exhaust gases from entering the boat’s interior.

If they are not properly connected, these gases can seep into the boat, which can be dangerous for you and your passengers. Additionally, exhaust gases can damage the boat’s upholstery and other surfaces. If you think you may have a problem with your exhaust bellows, be sure to have them checked out as soon as possible.

A professional will be able to determine if they are properly connected and, if not, can make the necessary repairs.

Alpha one exhaust bellows replacement

If your Alpha One outdrive is leaking exhaust bellows fluid, it’s time to replace the bellows. Here’s a step-by-step guide to replacing your Alpha One exhaust bellows: 1. Remove the old bellows.

Use a flathead screwdriver to remove the clamps that secure the bellows to the outdrive. Then, carefully pull the bellows off the outdrive. 2. Clean the outdrive.

Use a rag to wipe away any old bellows fluid or debris from the outdrive. 3. Install the new bellows. Slide the new bellows over the outdrive, making sure that it’s properly aligned.

Then, use the screwdriver to secure the bellows in place with the clamps. 4. Fill the outdrive with bellows fluid. Use a funnel to pour the fluid into the outdrive, filling it to the proper level.

5. Test the outdrive. Start the engine and let it run for a few minutes. Then, put the boat in gear and check for any leaks.

If everything looks good, you’re all set!

Bellows retainer ring install

If you have a new bellows retainer ring to install, here’s how to do it. First, remove the old bellows retainer ring. Next, clean the area around the bellows opening with a clean cloth.

Then, apply a small amount of lubricant to the new bellows retainer ring. Finally, install the new bellows retainer ring by pushing it into place.


If your Mercruiser outdrive is in need of a new exhaust bellows, don’t worry – the process is relatively simple and can be done in a few hours. You’ll need to gather a few tools and supplies before getting started, including a new bellows, clamps, and a screwdriver. Once you have everything, you can begin the process by disconnecting the old bellows and removing it from the outdrive.

Next, install the new bellows and reattach it to the outdrive. Finally, use the clamps to secure the bellows in place. Once everything is tightened down, you’re all set!

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