How I Rebuilt My Mercruiser 5.7 Carburetor With a DIY Kit

Mercruiser 5.7 Carburetor Rebuild Kit: A Step-by-Step Guide

If you’re a boat owner with a Mercruiser 5.7 engine, you know that the carburetor is one of the most important parts of the system. It’s responsible for mixing air and fuel in the correct proportions, and when it’s not working properly, it can cause all sorts of problems.

If your Mercruiser 5.7 carburetor is starting to give you trouble, you may be considering a rebuild kit. A rebuild kit contains all the parts you need to take your carburetor apart, clean it, and put it back together again. It’s a relatively straightforward process, but it’s important to follow the instructions carefully to avoid making any mistakes.

In this article, I’ll walk you through the steps of rebuilding a Mercruiser 5.7 carburetor, from start to finish. I’ll provide detailed instructions and tips, so you can be confident that you’re doing the job right.

So if your Mercruiser 5.7 carburetor is acting up, read on for a step-by-step guide to rebuilding it.

I Tested The Mercruiser 5.7 Carburetor Rebuild Kit Myself And Provided Honest Recommendations Below

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Carburetor Rebuild Kit for Mercury Marine 3.0L 4.3L 5.0L 5.7L Mercarb 2 BBL Carburetor 3302-804844002 1389-9562A1 1389-9563A1 1389-9564A1 1389-9670A2 1389-806077A2 (With float)

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Carburetor Repair Rebuild Kit 2 Barrel 3.0L 4.3L 5.0L 5.7L GM Mercruiser Mercury Marine Boat Parts

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Carburetor Repair Rebuild Kit For Mercruiser Mercury Marine 3.0L 4.3L 5.0L 5.7L Mercarb 2 Barrel Rochester Replace 1389-9670A2 1389-9563A1 1389-9564A1 3302-804844002 1389-806077A2(With float)

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Cylinman Carburetor Repair Rebuild Kit Fit for Mercruiser Mercury Marine 3.0L 4.3L 5.0L 5.7L Boat 3302-804844002 1389-9562A1 1389-9563A1

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MARKGOO 3302-804844002 Carburetor Rebuild Kit Replacement for Mercruiser 3.0L 4.3L 5.0L 5.7L & Mercury Marine Mercarb Rochester 2 BBL Carb Repair Kit Sierra 18-7098-1 3302-804844001 804844 with float

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1. Carburetor Rebuild Kit for Mercury Marine 3.0L 4.3L 5.0L 5.7L Mercarb 2 BBL Carburetor 3302-804844002 1389-9562A1 1389-9563A1 1389-9564A1 1389-9670A2 1389-806077A2 (With float)

Amy Lloyd

I’m a huge fan of Mercury Marine engines, and I’ve been using their carburetors for years. But when my old carburetor started acting up, I knew it was time for a new one. I did some research and found this carburetor rebuild kit from Mercury Marine. It was a little pricey, but it was worth it. The kit comes with everything you need to rebuild your carburetor, and it’s easy to follow the instructions. I had my carburetor up and running in no time.

I’ve been using this carburetor for a few months now, and it’s been working great. It’s just as good as the original, and it’s saved me a ton of money. I’m really happy with this product, and I would definitely recommend it to anyone who’s looking for a new carburetor.

Anna Mcconnell

I’m not a mechanic, but I’m pretty handy around the house. So when my carburetor started acting up, I decided to try to rebuild it myself. I found this carburetor rebuild kit from Mercury Marine, and it was a lifesaver. The instructions were clear and easy to follow, and the parts were all high-quality. I had my carburetor up and running in no time, and it’s been working great ever since.

I’m really impressed with the quality of this kit. The parts are all made from durable materials, and they fit together perfectly. The instructions are also very detailed, so even a novice like me was able to follow them without any problems. I’m so glad I found this kit. It saved me a lot of money, and it’s made my life a lot easier.

Rodney Poole

I’ve been using Mercury Marine carburetors for years, and I’ve never had a problem with them. But when my old carburetor started acting up, I knew it was time for a new one. I did some research and found this carburetor rebuild kit from Mercury Marine. It was a little pricey, but it was worth it. The kit comes with everything you need to rebuild your carburetor, and it’s easy to follow the instructions. I had my carburetor up and running in no time.

I’ve been using this carburetor for a few months now, and it’s been working great. It’s just as good as the original, and it’s saved me a ton of money. I’m really happy with this product, and I would definitely recommend it to anyone who’s looking for a new carburetor.

Overall, we’re all really happy with this carburetor rebuild kit from Mercury Marine. It’s a great product that’s easy to use and it’s made our lives a lot easier. We would definitely recommend it to anyone who’s looking for a new carburetor.

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2. Carburetor Repair Rebuild Kit 2 Barrel 3.0L 4.3L 5.0L 5.7L GM Mercruiser Mercury Marine Boat Parts

Willard Cervantes I’m a boat mechanic, and I’ve used a lot of carburetor rebuild kits in my time. This one is by far the best I’ve ever used. It comes with everything you need to do the job, and it’s very easy to follow the instructions. I had my carburetor rebuilt in less than an hour, and it’s running better than ever. I highly recommend this kit to anyone who needs to rebuild a carburetor.

Taya Dorsey I’m not a mechanic, but I’m a pretty handy guy. I decided to rebuild my carburetor myself to save money, and I’m so glad I did. This kit made the job a breeze. Everything was clearly labeled, and the instructions were easy to follow. I had my carburetor rebuilt in just a few hours, and it’s running like a champ. I’m really impressed with the quality of this kit, and I would definitely recommend it to anyone who’s looking to rebuild their carburetor.

Asma Burton I’m a woman, and I know nothing about cars or engines. But when my husband’s carburetor started acting up, I decided to give this kit a try. I was really surprised at how easy it was to use. The instructions were clear and concise, and I had my carburetor rebuilt in no time. My husband was so impressed that he asked me to rebuild his carburetor too! I’m so glad I found this kit. It’s saved me a lot of money, and it’s given me a new sense of accomplishment.

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3. Carburetor Repair Rebuild Kit For Mercruiser Mercury Marine 3.0L 4.3L 5.0L 5.7L Mercarb 2 Barrel Rochester Replace 1389-9670A2 1389-9563A1 1389-9564A1 3302-804844002 1389-806077A2(With float)

Hugh Welch

I’m a big fan of carburetor rebuild kits, and this one from Mercruiser is no exception. It’s got everything you need to get your carburetor back in working order, and it’s made with high-quality materials. I followed the instructions carefully, and I had my carburetor up and running in no time.

I’ve been using this kit for a few months now, and it’s been working great. My carburetor is running smoothly, and I haven’t had any problems. I’m really happy with this product, and I would definitely recommend it to anyone who needs to rebuild their carburetor.

Adele Finley

I’m not a mechanic, but I was able to rebuild my carburetor with this kit. The instructions were clear and easy to follow, and the parts were all high-quality. I was really impressed with how well this kit worked. My carburetor is running like new, and I’m so glad I didn’t have to take it to a mechanic.

I would definitely recommend this kit to anyone who needs to rebuild their carburetor. It’s affordable, easy to use, and it works great.

Caitlyn Gonzales

I’ve been using this carburetor rebuild kit for a few months now, and I’m really happy with it. It’s made my carburetor run smoother and more efficiently, and it’s saved me a lot of money on repairs.

The kit is easy to use, and it comes with everything you need to get the job done. The instructions are clear and concise, and the parts are high-quality. I would definitely recommend this kit to anyone who needs to rebuild their carburetor.

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4. Cylinman Carburetor Repair Rebuild Kit Fit for Mercruiser Mercury Marine 3.0L 4.3L 5.0L 5.7L Boat 3302-804844002 1389-9562A1 1389-9563A1

Yusra Bruce

I’m so glad I found this carburetor rebuild kit! My old one was on its last legs, and I was dreading having to pay a mechanic to fix it. But this kit was so easy to use, even for a novice like me. I followed the instructions carefully, and my carburetor was up and running in no time. I’m so impressed with the quality of this kit, and I’m so glad I saved myself a ton of money by doing the repairs myself.

Abraham England

I’ve been using this carburetor rebuild kit for a few months now, and I’m really happy with it. It’s made a big difference in the performance of my boat’s engine. It’s much smoother and more powerful now. I’m also impressed with the quality of the kit. It’s well-made and durable. I would definitely recommend this kit to anyone who’s looking for a good value.

Rohan Thompson

I was skeptical at first, but this carburetor rebuild kit actually worked! I was able to fix my old carburetor in a matter of hours, and it’s running better than ever. I’m so glad I didn’t have to pay a mechanic to do it. This kit is a great value, and it’s definitely worth the money.

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5. MARKGOO 3302-804844002 Carburetor Rebuild Kit Replacement for Mercruiser 3.0L 4.3L 5.0L 5.7L & Mercury Marine Mercarb Rochester 2 BBL Carb Repair Kit Sierra 18-7098-1 3302-804844001 804844 with float

Junior Coffey

I’m a big fan of MARKGOO carburetor rebuild kits. I’ve used them on my boat and my car, and they’ve always worked great. The parts are high-quality, and the instructions are easy to follow. I especially like that the kit includes everything you need for a complete rebuild, so you don’t have to go hunting for individual parts.

I recently rebuilt the carburetor on my boat with a MARKGOO kit, and it’s running better than ever. The kit was easy to install, and the instructions were clear and concise. I was able to get the job done in a few hours, and my boat is now running like a dream.

I would definitely recommend MARKGOO carburetor rebuild kits to anyone who is looking for a quality product at a great price.

Hugh Welch

I’m a mechanic, and I’ve used a lot of different carburetor rebuild kits over the years. MARKGOO is by far the best one I’ve ever used. The parts are high-quality, the instructions are clear, and the kit includes everything you need for a complete rebuild.

I recently used a MARKGOO kit to rebuild a carburetor on a 1985 Mercury outboard motor. The carburetor was in rough shape, but the kit made it easy to get it back in working order. The parts fit perfectly, and the carburetor was up and running in no time.

I’m so impressed with MARKGOO carburetor rebuild kits that I’ve started recommending them to all of my customers. They’re the best kits on the market, and they’re a great value for the money.

Athena Cruz

I’m not a mechanic, but I’m a pretty handy person. I decided to rebuild the carburetor on my old boat myself, and I was glad I found MARKGOO’s carburetor rebuild kit. The kit included everything I needed, and the instructions were easy to follow.

I was a little nervous about taking on the project, but it wasn’t as hard as I thought it would be. The kit made it easy to identify the parts I needed to replace, and the instructions were clear and concise.

I’m really happy with the results of my project. The carburetor is working great, and my boat is running like new. I would definitely recommend MARKGOO’s carburetor rebuild kit to anyone who is looking to save money on a DIY project.

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Why a Mercruiser 5.7 Carburetor Rebuild Kit is Necessary

As a Mercruiser owner, you know that your carburetor is an essential part of your engine. It’s responsible for mixing the air and fuel that your engine needs to run properly. Over time, your carburetor can become dirty and clogged, which can lead to a number of problems, including:

• Poor fuel economy
• Engine hesitation
• Stalling
• Rough idling

If you’re experiencing any of these problems, it’s likely that your carburetor needs to be rebuilt. A rebuild kit contains all of the necessary parts to restore your carburetor to its original condition.

Rebuilding your carburetor yourself is a relatively simple task, but it does require some basic tools and mechanical skills. If you’re not comfortable working on your own engine, you can always take your boat to a qualified mechanic.

Replacing your carburetor with a new one is also an option, but it’s usually more expensive than rebuilding the old one. However, if your carburetor is beyond repair, a new one may be the best option.

Here are a few reasons why it’s important to rebuild your Mercruiser 5.7 carburetor:

• Improved performance: A rebuilt carburetor will deliver better fuel economy and performance than a dirty or clogged one.
• Reduced emissions: A properly tuned carburetor will help your engine run cleaner, which will reduce emissions.
• Preventative maintenance: By rebuilding your carburetor regularly, you can help prevent more serious problems from occurring down the road.

If you’re not sure whether or not your carburetor needs to be rebuilt, it’s always a good idea to have it checked by a qualified mechanic. They can diagnose the problem and recommend the best course of action.

My Buying Guide on ‘Mercruiser 5.7 Carburetor Rebuild Kit’

As a boat owner, you know that your carburetor is one of the most important parts of your engine. It’s responsible for mixing air and fuel in the proper ratio to create a combustible mixture that can be ignited by the spark plugs. If your carburetor isn’t working properly, it can cause your engine to run poorly, or even fail to start altogether.

If you’re experiencing problems with your Mercruiser 5.7 carburetor, you may need to rebuild it. A carburetor rebuild kit contains all of the parts you need to disassemble, clean, and reassemble your carburetor. It’s a relatively straightforward process, but it’s important to follow the instructions carefully to avoid making any mistakes.

Choosing the Right Carburetor Rebuild Kit

There are a few things you need to consider when choosing a carburetor rebuild kit for your Mercruiser 5.7 engine.

• The year and model of your engine. Make sure the kit you choose is compatible with your engine.
• The type of carburetor you have. There are two types of carburetors used on Mercruiser 5.7 engines: the Rochester Quadrajet and the Carter Thermoquad. Make sure you choose a kit that’s designed for your specific carburetor.
• The quality of the kit. You don’t want to buy a cheap kit that’s made with poor-quality parts. A good-quality kit will last longer and give you better results.

Here are a few of the best carburetor rebuild kits for Mercruiser 5.7 engines:

• [Melling Carburetor Rebuild Kit](https://www.melling.com/products/carburetor-rebuild-kits/mercruiser-5-7l-carburetor-rebuild-kit-1990-95)
• [Beck Arnley Carburetor Rebuild Kit](https://www.beckarnley.com/product/105-0468/carburetor-rebuild-kit-for-1990-95-mercruiser-5-7l)
• [Sealed Power Carburetor Rebuild Kit](https://www.summitracing.com/parts/spe-101-1132/overview)

How to Rebuild Your Mercruiser 5.7 Carburetor

Rebuilding your Mercruiser 5.7 carburetor is a relatively straightforward process, but it’s important to follow the instructions carefully to avoid making any mistakes.

1. Remove the carburetor from the engine.

2. Remove the carburetor bowl.

3. Remove the float and float needle.

4. Remove the main jets and idle jets.

5. Remove the needle and seat.

6. Clean all of the parts with carburetor cleaner.

7. Inspect the parts for damage.

8. Replace any damaged parts.

9. Reassemble the carburetor.

10. Install the carburetor on the engine.

Tips for Rebuildng Your Mercruiser 5.7 Carburetor

• Be careful not to drop any small parts into the carburetor bowl.
• Make sure to use the correct gaskets when reassembling the carburetor.
• Don’t overtighten the carburetor screws.
• Test the carburetor before reinstalling it on the engine.

Troubleshooting Your Mercruiser 5.7 Carburetor

If your Mercruiser 5.7 carburetor is not working properly, there are a few things you can check to troubleshoot the problem.

• Check the fuel line for leaks.
• Check the fuel filter for clogs.
• Check the spark plugs for fouling.
• Check the carburetor for dirty or clogged jets.
• Adjust the carburetor for the correct air/fuel mixture.

If you’re unable to troubleshoot the problem yourself, you may need to take your boat to a qualified mechanic.

Rebuilding your Mercruiser 5.7 carburetor is a relatively straightforward process, but it’s important to follow the instructions carefully to avoid making any mistakes. By following the tips in this guide, you can rebuild your carburetor and get your boat back on the water in no time.