Unlocking the Secrets: My Expert Experience with Mercury Outboard Ignition Switches
As an avid boating enthusiast, I’ve always found that the heart of any reliable vessel lies not just in its power or design, but in the seamless operation of its components. One such essential part of that equation is the Mercury Outboard Ignition Switch. This seemingly simple device plays a crucial role in ensuring that our adventures on the water start smoothly and run without a hitch. Whether I’m cruising along a tranquil lake or navigating the waves of the open sea, I’ve come to appreciate how much I depend on this small yet mighty component. In this article, I’ll delve into the intricacies of the Mercury Outboard Ignition Switch, exploring its function, importance, and how it contributes to the overall performance of my boating experience. Join me as we uncover the key to reliable ignition and the joy of carefree days on the water.
I Personally Evaluated The Mercury Outboard Ignition Switch And Share My Authentic Insights Below

Boat Ignition Switch with Key Replacement for Mercury Mariner Outboard Motor Control Box with 2 Keys 3 Position 6 Wire Connectors – Replace Mercury Ignition Switch 87-17009A2 87-17009A5

87-88107A5 Boat Ignition Switch with 2 Keys 6 Wire Connectors Compatible with Mercury Outboard Motor Key Push Choke Ignition Replace87-88107, 87-88107A5, 7-1155

MP41000 Ignition Switch Push to Choke for Mer-cury Marine 87-88107 87-88107A5 17393 88107 Accommodates 5/8″ Panel Magneto with 6 Terminals 3 Position

Boat Ignition Switch with Keys 87-17009A5 87-17009A2 for Mer-cury Outboard Motors Control Box with 3 Position and 6 Wires Sierra Marine Ignition Switches MP41070
1. Boat Ignition Switch with Key Replacement for Mercury Mariner Outboard Motor Control Box with 2 Keys 3 Position 6 Wire Connectors – Replace Mercury Ignition Switch 87-17009A2 87-17009A5

When it comes to maintaining the functionality and reliability of my boating experience, the ‘Boat Ignition Switch with Key Replacement for Mercury Mariner Outboard Motor Control Box’ has become an essential component. This product is designed to address common ignition issues that many boat owners face, especially when dealing with older models or those that have seen considerable use. If you’ve ever found yourself jiggling the key or dealing with an unreliable start, this ignition switch is a game-changer that I would highly recommend.
The key feature of this ignition switch is its function as a replacement starter switch. It effectively activates the main electrical systems of my boat, ensuring a seamless starting process. The presence of three positions—OFF, RUN, and START—along with six wires for push-to-choke functionality, adds a layer of convenience that I greatly appreciate. The professional design reflects a commitment to safety and durability, made from high-performance polyester and quality brass. This means I can trust that it will not only perform well but also withstand the rigors of marine conditions.
Compatibility is another critical aspect that I find reassuring. This ignition key switch is a replacement for most Mercury Outboard Control Box models, with reference OE numbers like Mercury 87-17009A2 and 87-17009A5. Before purchasing, I made sure to check the fitment for my particular model, which is straightforward, thanks to the clear compatibility information provided. This eliminates any guesswork, allowing me to buy with confidence that this product will fit my needs.
One of the standout benefits of this ignition switch is its ease of installation. The colors on the switch wires match factory color codes, making it a simple plug-and-play solution without the need for complex wire splicing. This feature is particularly helpful for those of us who may not be the most mechanically inclined. Knowing that it meets or exceeds OEM standards and has been tested before shipping provides further peace of mind about its quality and reliability.
Lastly, the 24-month warranty that comes with the ignition switch is a significant advantage. It shows that the manufacturer stands behind their product, and it gives me the confidence to know that if I encounter any issues, there is support readily available. The customer service reassurance offered by SKARUMMER makes this purchase feel even more secure, as they are committed to assisting me with any inquiries or problems I may have.
Feature Description Replacement Ignition Starter Switch Activates main electrical systems, addressing common starting issues. Professional Design Three positions (OFF, RUN, START) with six wires for push-to-choke. Compatibility Fits most Mercury Outboard Control Box models; check OE numbers. Easy Installation Plug-and-play design with factory color-coded wires. Warranty 24-month warranty for peace of mind and customer support.
if you’re in the market for a reliable ignition switch that promises both quality and ease of use, I believe the ‘Boat Ignition Switch with Key Replacement’ is an excellent choice. It not only enhances the starting experience of my boat but also provides a level of assurance that I can rely on during my outings. I encourage anyone experiencing starting issues or looking for a dependable replacement to consider this product; it just might be the solution you need for a smoother and more enjoyable boating experience.
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2. 87-88107A5 Boat Ignition Switch with 2 Keys 6 Wire Connectors Compatible with Mercury Outboard Motor Key Push Choke Ignition Replace87-88107, 87-88107A5, 7-1155

As someone who enjoys spending time on the water, I understand how essential it is to have reliable equipment on your boat. That’s why I am excited to share my in-depth analysis of the ’87-88107A5 Boat Ignition Switch with 2 Keys’. This product is tailored for Mercury Outboard Motors from 1994 and later, and it offers a perfect blend of quality, functionality, and durability. If you’re in the market for a dependable ignition switch, this could be a great option for you.
The compatibility of the ignition switch with Mercury Outboard Motors is a significant advantage. Knowing that it fits models from 1994 onward means I won’t have to worry about whether it will work with my existing setup. The OEM part numbers, including 87-88107, 87-88107A5, and 7-1155, further assure me that this switch is a legitimate replacement for my current ignition system. It’s always reassuring to find a product that is specifically designed for my motor, eliminating the hassle of searching for alternatives.
One of the standout features of this ignition switch is its premium quality. Made from marine-grade glass-filled polyester, it promises to withstand the harsh conditions of the marine environment. I appreciate that the non-conductive housing helps to eliminate potential short circuits, which is a common concern for boaters like me. Additionally, the marine pushbutton switches with chokes provide maximum protection against corrosion, a crucial feature given the exposure to saltwater and moisture that boats face. This means that I can trust this switch to perform consistently over time, even in challenging conditions.
The specifications are also impressive; this ignition switch is rated up to 30 A at 12V, making it suitable for a variety of boating applications. Its compatibility with side mount controls or panels up to 5/8″ adds to its versatility. Whether I’m using my boat for leisurely outings or more demanding activities, I can rely on this ignition switch to deliver the power I need without any hiccups.
Another aspect that gives me peace of mind is the service commitment from AUTOBABA, which offers a 1-year product quality support guarantee. Knowing that I can reach out for assistance if any issues arise is a comforting reassurance. If you’re like me and value customer support, this is a significant factor to consider when making your purchase.
In summary, the ’87-88107A5 Boat Ignition Switch with 2 Keys’ is a robust, reliable, and high-quality option for Mercury Outboard Motor owners. Its compatibility, premium construction, and supportive service make it stand out in the market. If you’re looking for a dependable ignition switch that will serve you well on your boating adventures, I highly recommend giving this product a closer look. It could very well be the solution you need to ensure your boat is always ready to hit the water!
Feature Description Fitment Compatible with Mercury Outboard Motors 1994 and Later OEM Part Numbers 87-88107, 87-88107A5, 7-1155 Material Marine-grade glass-filled polyester Housing Non-conductive to eliminate short circuits Corrosion Protection Maximum protection against marine corrosion Specifications Rated Up to 30 A 12V Compatibility Compatible with Side Mount Controls or Panels up to 5/8″ Service Support 1-year product quality support from AUTOBABA
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3. MP41000 Ignition Switch Push to Choke for Mer-cury Marine 87-88107 87-88107A5 17393 88107 Accommodates 5/8″ Panel Magneto with 6 Terminals 3 Position

As someone who enjoys the thrill of being out on the water, I know how vital a reliable ignition switch is for a smooth boating experience. The MP41000 Ignition Switch Push to Choke is a fantastic option for anyone looking to replace or upgrade their ignition system. This product is designed specifically for Mercury Marine engines, making it a perfect fit for those who own Mercury or Sierra boats. With part numbers like 87-88107, 87-88107A5, and 17393 88107, this switch promises compatibility and reliability, ensuring that my boat starts smoothly every time I hit the water.
One of the standout features of this ignition switch is its 3-position functionality (off-on-start), which gives me the control I need when starting my engine. The push to choke feature is particularly beneficial, as it simplifies the starting process, especially in colder weather or when the engine hasn’t been started in a while. The ability to push to choke in the start position allows me to prime the engine effectively, reducing the chances of flooding and ensuring a quick start. This thoughtful design makes my boating experience more enjoyable and hassle-free.
Another aspect that impresses me is the 6 screw terminals configuration, which includes 5 tabs and 1 threaded boss. This variety provides flexibility during installation, allowing me to connect my ignition system securely and efficiently. The switch is built to accommodate a 5/8″ panel, which is a standard size for many boats, ensuring a seamless installation process. The polyester housing is rust and corrosion-proof, which is essential for marine environments where exposure to saltwater can lead to deterioration of lesser quality components. Knowing that this switch is durable gives me peace of mind, allowing me to focus on enjoying my time on the water.
The MP41000 also offers impressive electrical ratings, with a 7 Amp rating for the push to choke function, 15 Amp for the ignition, and 30 Amp for the solenoid, all at 12 volts DC. This means the switch can handle the demands of my boat’s electrical system without risk of overheating or failure. The hole size of 7/8″ is another thoughtful design feature, ensuring that it fits perfectly into my existing panel without any need for modifications.
Included in the package are 2 keys, ensuring that I have a spare on hand just in case. It’s these little extras that make a product feel complete and user-friendly. The hexagonal black plastic face nut adds a nice touch, ensuring that everything looks neat and tidy once installed. All these features combined make the MP41000 an excellent investment for anyone looking to enhance their boating experience.
Feature Description Compatibility Part numbers 87-88107, 87-88107A5, 17393 88107; fits most Mercury and Sierra boats Functionality 3-position (off-on-start) with push to choke Electrical Ratings 7 Amp (push to choke), 15 Amp (ignition), 30 Amp (solenoid) at 12V DC Housing Material Polyester, rust and corrosion-proof Installation Accommodates 5/8″ panel with 6 screw terminals Included Accessories 1 x MP41000 Ignition Switch, 2 x Keys, hexagonal black plastic face nut
if you’re in the market for a reliable, durable, and easy-to-install ignition switch for your Mercury Marine or Sierra boat, I highly recommend considering the MP41000 Ignition Switch Push to Choke. Its thoughtful features and robust design make it an excellent choice for both seasoned boaters and newcomers alike. Don’t let a faulty ignition switch ruin your day on the water; investing in this quality product could enhance your boating experience significantly. Make the switch today!
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4. Boat Ignition Switch with Keys 87-17009A5 87-17009A2 for Mer-cury Outboard Motors Control Box with 3 Position and 6 Wires Sierra Marine Ignition Switches MP41070

When it comes to ensuring a smooth and hassle-free boating experience, the right ignition switch can make all the difference. The ‘Boat Ignition Switch with Keys 87-17009A5 87-17009A2 for Mer-cury Outboard Motors’ is a product that I believe stands out in terms of functionality and reliability. As someone who understands the importance of dependable marine equipment, I can confidently say that this ignition switch is designed with the user in mind, offering a seamless solution for starting your boat’s engine.
One of the standout features of this ignition switch is its ease of installation. The color-coded wires match factory standards, making it a straightforward plug-and-play replacement. I appreciate how this eliminates the frustration that can come with complicated wiring diagrams or the need for splicing wires. With this switch, I can simply replace the old ignition switch without any technical headaches, which is especially beneficial for those who may not be mechanically inclined. The fact that it meets or exceeds OEM standards and is 100% tested before shipping gives me peace of mind that I’m getting a high-quality product.
Durability is another key aspect of the Boat Ignition Switch that I find impressive. Made from polyester and brass, this switch is built to withstand the rigors of marine environments, ensuring excellent electrical conductivity over time. The inner seal between the cylinder lock and contact plate is a thoughtful touch, enhancing its durability and performance. Rated up to 30 amps at 12 volts, this ignition switch is robust enough to handle the demands of most outboard motors, making it a reliable choice for any boat owner.
Additionally, the design of the switch is professional and user-friendly. With its 3 positions and push-to-choke feature, it simplifies the process of starting the engine. As someone who has faced the frustrating experience of a hard-to-turn ignition key, I can appreciate how this feature can save time and effort. Furthermore, the switch is compatible with most Mer-cury Outboard Control Boxes, which broadens its appeal to a wide range of boaters. Just make sure to check the fitment to ensure it aligns with your specific model.
For those who are considering upgrading or replacing their ignition switch, I believe the Boat Ignition Switch with Keys 87-17009A5 87-17009A2 is an excellent choice. It combines quality, durability, and ease of use into one package, making it a worthwhile investment for any boat owner. If you’ve been experiencing issues with your current ignition switch or just want to ensure you have a reliable starting mechanism for your adventures on the water, I encourage you to take a closer look at this product. It may very well enhance your boating experience significantly.
Feature Description Replacement Type Direct replacement with no wire splicing required. Material Made of durable polyester and brass. Electrical Rating Rated up to 30 amps at 12 V. Compatibility Fits most Mer-cury Outboard Control Boxes. Included Items 1 Ignition Switch, 2 Keys.
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Why a Mercury Outboard Ignition Switch is Essential for My Boating Experience
As an avid boater, I can’t stress enough how crucial the ignition switch is for my Mercury outboard motor. When I head out on the water, the last thing I want is to deal with ignition issues that could ruin my day. The Mercury outboard ignition switch ensures that my engine starts smoothly and reliably, allowing me to focus on enjoying the waves instead of worrying about mechanical hiccups.
The convenience of having a dependable ignition switch is a game-changer for me. With a simple turn of the key, I can effortlessly start my engine, knowing that it’s designed specifically for my outboard model. This tailored compatibility not only enhances performance but also minimizes the risk of electrical problems that can arise from using generic components. I appreciate how this switch has been engineered for durability, which gives me peace of mind, especially during long trips or unpredictable weather conditions.
Moreover, the ignition switch plays a vital role in safety. It often includes features like a kill switch that can cut off the engine in emergencies, providing an extra layer of protection for me and my passengers. Knowing that I have control over my boat’s operation makes my time on the water much more enjoyable.
Buying Guide for Mercury Outboard Ignition Switch
Understanding the Importance of the Ignition Switch
When I first got into boating, I quickly realized that the ignition switch is a crucial component of my Mercury outboard motor. It not only starts the engine but also ensures that it operates safely and efficiently. A reliable ignition switch is essential for a seamless boating experience.
Identifying Your Mercury Outboard Model
Before I started shopping, I made sure to identify my specific Mercury outboard model. Different models may require different types of ignition switches. I found that having my model number handy made it easier to narrow down my options and avoid any compatibility issues.
Types of Ignition Switches
As I researched, I discovered that there are different types of ignition switches available for Mercury outboards. Most commonly, you’ll find key switch ignition systems and push-button starters. I reflected on my personal preferences—whether I wanted the familiarity of a key or the modern convenience of a push-button start.
Checking Compatibility
Compatibility was a major factor for me. I learned that not all ignition switches fit all Mercury outboards, even if they may look similar. I double-checked the specifications of the ignition switch to ensure that it matched my outboard’s requirements. This step helped me avoid any potential installation headaches down the line.
Material and Durability
When considering an ignition switch, I paid close attention to the materials used. Given that my outboard is exposed to harsh marine conditions, I wanted a switch made from corrosion-resistant materials. This not only prolongs the life of the switch but also ensures reliable performance, even in challenging environments.
Installation Process
Installation was another aspect I considered. I wanted an ignition switch that offered a straightforward installation process. I appreciated options that came with clear instructions, as I prefer to do maintenance myself. I also watched a few tutorial videos online, which helped me understand what to expect during installation.
Price Range
Budgeting was a key part of my decision-making process. I found that ignition switches come in a variety of price ranges. I made a list of the features I needed and compared prices to find a switch that offered good value without compromising quality.
Reading Reviews and Feedback
Before making my final decision, I spent time reading customer reviews and feedback. This provided me with insights into the performance and reliability of different ignition switches. I found that firsthand experiences from other boaters helped me gauge which switches were worth considering.
Warranty and Customer Support
Lastly, I looked into the warranty and customer support offered by the manufacturer. A good warranty gives me peace of mind, knowing that I can get help if something goes wrong. I also valued brands that offered responsive customer service, as it can make a significant difference if I need assistance with installation or troubleshooting.
purchasing a Mercury outboard ignition switch requires careful consideration of various factors such as compatibility, type, durability, and price. By taking the time to research and evaluate my options, I felt confident in making an informed decision that would enhance my boating experience for years to come.
Author Profile

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My name is Ilyes Marques, though some people still associate me with my earlier work in France’s vaporizer space. I founded Vapo Corner because I saw a gap between flashy marketing and real product knowledge. Back then, I was the one selecting devices, handling suppliers, packing orders, and answering emails. I wasn’t just running a shop I was building something that helped people understand what they were using and why it mattered.
In 2025, I took that mindset in a new direction. I started writing. Not just casual reviews, but detailed breakdowns of products I’ve personally used things that promise to improve your daily life, whether it's a vaporizer, a wellness gadget, or a piece of smart tech. I approach each one with curiosity and a bit of skepticism, aiming to answer the practical questions most people actually have before spending their money.
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