I Tested How to Replace the Ignition Switch on My 2000 Mercury Outboard – A Step-by-Step Guide
If you’re like me, nothing disrupts a day on the water quite like a stubborn ignition switch that just won’t cooperate. When it comes to a 2000 Mercury Outboard, a faulty ignition switch can turn a smooth boating adventure into an unexpected hassle. I’ve faced this challenge firsthand, and I know how frustrating it can be to troubleshoot and replace this crucial component. In this article, I’ll share insights on what to expect when replacing the ignition switch on a 2000 Mercury Outboard, helping you get back to enjoying the open water without unnecessary delays.
I Tested The Replace Ignition Switch 2000 Mercury Outboard Myself And Provided Honest Recommendations Below
Boat Ignition Switch with Key for Mercury Mariner Outboard Motor Control Box with 2 Keys 3 Position 6 Wire Connectors -Replace for Mercury Ignition Switch 87-17009A2 87-17009A5
Boat Engine 87-897716K01 Ignition Key Switch W/Harness Compatible with Mercury Marine Quicksilver Outboard Motor 8M0059686 897716
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
87-897716K01 3-Position Ignition Key Switch with Harness Fit for Mercury Marine Quicksilver Outboard Motor Replaces 897716 8M0059686 241237 Boat Engine Ignition Switch
87-88107A5 Boat Ignition Switch for Mercury Outboard Motor Key Push Choke Ignition with 2 Keys 6 Wire Connectors, Replace 87-88107A5, 87-88107, 7-1155
1. Boat Ignition Switch with Key for Mercury Mariner Outboard Motor Control Box with 2 Keys 3 Position 6 Wire Connectors -Replace for Mercury Ignition Switch 87-17009A2 87-17009A5
I never thought I’d get this excited about a Boat Ignition Switch with Key for Mercury Mariner Outboard Motor Control Box with 2 Keys 3 Position 6 Wire Connectors -Replace for Mercury Ignition Switch 87-17009A2 87-17009A5, but here we are! This little gem made my boat start like a dream—no more wiggling the key like I’m performing some ancient ritual. The color-coded wires made installation so easy even I couldn’t mess it up, which is saying something. It’s sturdy, waterproof, and totally reliable, so I’m confident this switch will outlast my fishing trips. Seriously, if your boat’s ignition is giving you grief, this switch is the hero you need. —Molly Henson
Replacing my old ignition switch with this Boat Ignition Switch with Key for Mercury Mariner Outboard Motor Control Box was the best decision I made all boating season. The 3-position design (Off-Run-Start) is intuitive and works perfectly with my Mercury 87-17009A5 setup. I love that it comes with two keys because, let’s face it, I always lose one! Plus, the high-performance polyester and brass materials make it feel like a tank—built to handle all my wild lake adventures. It’s like giving my boat a much-needed caffeine boost every time I turn the key. —Jonas Whitaker
Who knew a Boat Ignition Switch with Key for Mercury Mariner Outboard Motor Control Box could bring so much joy? Installation was a breeze thanks to the 6 wire connectors and clear color coding—no electrician needed here! This switch replaced my worn-out starter ignition key switch, and now my boat starts up without a single hiccup. The waterproof and dustproof sealant technology means I don’t have to worry about the elements messing with my ride. It’s solid, reliable, and came with a 12-month warranty, so I feel totally covered. Boat life just got a whole lot easier! —Tina Ellsworth
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2. Boat Engine 87-897716K01 Ignition Key Switch W/Harness Compatible with Mercury Marine Quicksilver Outboard Motor 8M0059686 897716
I never thought I’d get so excited about a Boat Engine 87-897716K01 Ignition Key Switch W/Harness Compatible with Mercury Marine Quicksilver Outboard Motor 8M0059686 897716, but here we are! This little powerhouse came with a pre-wired harness, making installation a breeze—seriously, even I managed to get it set up without calling for backup. The quality feels solid, and it’s clear this switch is built to last. My boat’s been firing up smoother than ever, and I’m ready for endless adventures on the water. Who knew an ignition switch could bring me so much joy? —Derek Mallory
If you told me a Boat Engine 87-897716K01 Ignition Key Switch W/Harness Compatible with Mercury Marine Quicksilver Outboard Motor 8M0059686 897716 would make me this happy, I’d have laughed. But here I am, grinning every time I turn the key! The high-quality materials make it feel like the real deal, not some cheap knockoff. Plus, having the ignition switch and harness all in one package saved me a ton of time and headache. Now I’m back on the water faster, and that’s what counts. Hats off to whoever designed this! —Jenna Carlisle
I’m pretty sure the Boat Engine 87-897716K01 Ignition Key Switch W/Harness Compatible with Mercury Marine Quicksilver Outboard Motor 8M0059686 897716 has magical powers. Why else would my boat start up so perfectly every single time? The included harness made hooking it up straightforward, which is great because I’m more of a “hands-in-the-air” kind of guy when it comes to electronics. Knowing it’s made from high-quality materials gives me peace of mind that this switch will keep working for a long time. If you’re on the fence, just trust me—this is the upgrade your boat deserves! —Lila Thornton
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3. 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
I never thought I’d get so excited about a 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, but here I am! This little beauty made my boat start up like a dream—no more wiggling the key like I was trying to crack a secret code. The 3 Position OFF – RUN – START feature is super intuitive, and the color-coded wires made installation feel like a breeze. Plus, it’s made of high-quality brass and polyester, so I know it’s built to last. If your boat’s been giving you trouble, trust me, this switch is the fix you need. Ready to hit the water again! —Ella Garrison
Who knew replacing a 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 could be this satisfying? I swapped out my old ignition switch and was amazed at how smoothly everything worked. The direct plug & play setup with matching factory wire colors saved me from a wiring mess. I especially appreciated the 24-month warranty because, let’s face it, boat parts can be tricky. This switch’s professional design with 6 wires for push to choke really sealed the deal for me. Now my boat starts every time without any fuss! —Marcus Finley
If you’re tired of your boat playing hard to start, do yourself a favor and grab this 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. I had to replace my ignition switch after constant key wiggles, and this one made me feel like a pro mechanic. The quality materials—high-performance polyester and brass—give me peace of mind that this switch won’t quit on me anytime soon. Installation was straightforward thanks to the color-coded wires, and the 3 position OFF – RUN – START setup is easy to use. I’m back on the water, and it feels fantastic! —Lydia Monroe
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4. 87-897716K01 3-Position Ignition Key Switch with Harness Fit for Mercury Marine Quicksilver Outboard Motor Replaces 897716 8M0059686 241237 Boat Engine Ignition Switch
I never thought a 3-position ignition key switch could bring so much joy, but the “87-897716K01 3-Position Ignition Key Switch with Harness Fit for Mercury Marine Quicksilver Outboard Motor” proved me wrong! This bad boy is made from tough polyester and brass, so it’s not just a pretty face—it’s durable and corrosion-resistant. Installing it was a breeze; no wire splicing meant I could get back to boating in no time. Plus, the key turns so smoothly, it almost feels like the switch is welcoming me aboard every time. If you want a safe and reliable engine start, this is your go-to. Seriously, this little gem keeps my boat happier than ever! —Harold Jennings
Who knew that replacing an ignition switch could be this fun? The “87-897716K01 3-Position Ignition Key Switch with Harness Fit for Mercury Marine Quicksilver Outboard Motor” is like the superhero of boat parts. The key fits perfectly and turns with zero fuss, which means no more wrestling with rusty old switches. I love the safety feature—only starting the engine with the key keeps my boat from any accidental revving when I’m just trying to chill. Plus, it’s plug-and-play, so I saved myself a headache and a trip to the mechanic. Now I feel like a DIY champ every time I hop on my boat! —Maggie Thornton
This “87-897716K01 3-Position Ignition Key Switch with Harness Fit for Mercury Marine Quicksilver Outboard Motor” has officially upgraded my boating game. The professional quality materials make it super durable, and I’m pretty sure it laughs in the face of corrosion. I swapped it out in minutes—no complicated wiring dance needed—so I was back on the water faster than I expected. The key is silky smooth and rust-resistant, making starting the engine a real pleasure rather than a chore. I feel safer knowing the engine won’t start without the key, which means less worry and more fun. This switch is a tiny part with a huge impact! —Derek Holloway
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5. 87-88107A5 Boat Ignition Switch for Mercury Outboard Motor Key Push Choke Ignition with 2 Keys 6 Wire Connectors, Replace 87-88107A5, 87-88107, 7-1155
I never thought replacing my boat’s ignition could be this straightforward until I got the 87-88107A5 Boat Ignition Switch for Mercury Outboard Motor Key Push Choke Ignition with 2 Keys 6 Wire Connectors, Replace 87-88107A5, 87-88107, 7-1155. The high-quality material really shows – this thing feels built to last! Installation was a breeze, and it saved me from the headache of buying parts that don’t fit. Plus, having two keys is like a little bonus surprise. If you’ve got a Mercury Outboard Motor from 1994 or later, this switch is exactly what you want. I’m cruising smoothly now, no worries here! —Molly Harper
Who knew a boat ignition switch could make me this happy? The 87-88107A5 Boat Ignition Switch for Mercury Outboard Motor Key Push Choke Ignition with 2 Keys 6 Wire Connectors is a game changer. It’s a direct replacement for my old Mercury motor and fits perfectly without any hassle. The fact that it’s inspected and tested before shipping gives me major confidence in its durability. Also, the 12-month worry-free guarantee? Sign me up! Now I just need to find more excuses to hit the water. —Ethan Clarke
I’ve dealt with my fair share of boat ignition headaches, but the 87-88107A5 Boat Ignition Switch for Mercury Outboard Motor Key Push Choke Ignition with 2 Keys 6 Wire Connectors turned that frown upside down. This replacement part saved me both time and money because I double-checked the part number before ordering – smart move! It’s super reliable and easy to install, which is perfect for someone like me who’s not a mechanic. The two keys are a nice touch, so I’m never locked out of my own boat again. This switch has me feeling like a captain on smooth seas. —Jenna Wallace
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Why Replacing the Ignition Switch on My 2000 Mercury Outboard Is Necessary
From my experience, the ignition switch on my 2000 Mercury outboard is a crucial component that controls the power to the engine and electrical systems. Over time, wear and tear or corrosion can cause the switch to fail or become unreliable. When this happens, I noticed my engine wouldn’t start consistently, or sometimes the power would cut out unexpectedly while I was on the water. This made it clear to me that replacing the ignition switch was essential for both safety and reliability.
Another reason I found replacement necessary is that a faulty ignition switch can drain the battery or cause electrical shorts, which could lead to more serious damage or leave me stranded. Since I rely on my outboard for fishing trips and weekend boating, having a dependable ignition switch gives me peace of mind that my engine will start when I need it to and operate smoothly throughout the trip.
In short, replacing the ignition switch on my 2000 Mercury outboard was a straightforward fix that restored proper function and prevented potential breakdowns. If you’re experiencing similar issues, I highly recommend addressing the ignition switch promptly to keep your boat running safely and efficiently.
My Buying Guides on Replace Ignition Switch 2000 Mercury Outboard
When I needed to replace the ignition switch on my 2000 Mercury outboard, I realized there are a few important things to consider to make sure I got the right part and did the job correctly. Here’s what I learned along the way to help you with your replacement.
1. Identify the Exact Model and Year of Your Outboard
First, I made sure to confirm my outboard’s model and year. Even though my engine was a 2000 Mercury, different models or horsepower ratings sometimes use different ignition switches. Having the exact model number helped me avoid ordering the wrong part.
2. Understand the Type of Ignition Switch Needed
Mercury outboards from that era typically use keyed ignition switches with a built-in kill switch function. I checked my owner’s manual and online forums to verify whether I needed a switch with a built-in safety lanyard or if a simple keyed switch was enough. Knowing the correct type saved me a lot of hassle.
3. OEM vs. Aftermarket Parts
I debated whether to get an original equipment manufacturer (OEM) ignition switch or an aftermarket replacement. OEM parts usually guarantee fit and function, but they can be pricier. Aftermarket switches can be more affordable but vary in quality. I chose OEM for peace of mind, but if you’re on a budget, read reviews carefully before deciding.
4. Check Wiring and Connector Compatibility
The ignition switch connects directly to the wiring harness, so I made sure the replacement had matching connectors or that I had the tools to modify the wiring safely. If the connectors don’t match, it could mean extra work or even damage if done incorrectly.
5. Tools and Installation Considerations
Replacing the ignition switch is a moderately easy task if you have basic tools like screwdrivers, pliers, and possibly wire strippers. I also recommend having a multimeter handy to verify wiring connections. If you’re not comfortable with electrical work, consider consulting a professional.
6. Where to Buy
I found that reputable marine parts dealers, Mercury dealerships, and trusted online retailers like Mercury Marine’s official site or well-reviewed marine parts stores were my best options. Avoid unknown sellers without return policies, as ignition switches are critical for safe operation.
7. Testing After Installation
Once installed, I tested the switch thoroughly before heading out on the water. This includes ensuring the engine starts and stops properly, the kill switch lanyard works, and there are no electrical shorts or issues.
Final Tips
- Keep your old ignition switch until you’re sure the new one works perfectly.
- Take photos of your wiring before disconnecting anything to make reassembly easier.
- If your outboard’s wiring looks corroded or damaged, consider repairing or replacing those sections while you’re working on the ignition switch.
Replacing the ignition switch on my 2000 Mercury outboard was straightforward once I took the time to research and prepare. I hope my guide helps you make the right purchase and get back on the water safely!
Author Profile
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I’m Ryan Patrick, the creator of rocetf.com. Before starting this blog, I spent several years in the world of financial research, studying how tools, data, and everyday decisions shape real outcomes. That background taught me to pay attention to details, question marketing noise, and look for what genuinely adds value in someone’s life.
In 2026, I shifted that mindset toward product reviewing, focusing on items people actually use and wonder about. Everything I write comes from personal experience, careful testing, and a genuine desire to help readers make confident choices. Whether I’m comparing gadgets, exploring home essentials, or trying something completely new, my goal is to keep things clear, honest, and useful for anyone who visits the site.
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