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Writer's pictureSierra Winter

Spark Plug Swap: How to Keep Your Polaris Sled Firing on All Cylinders

Ah, the spark plug. Small, unassuming, but absolutely crucial in keeping your snowmobile running smoothly. If you’ve ever wondered what it’s like to replace the spark plugs on your Polaris sled, wonder no more! Grab your tools, a warm pair of gloves, and a healthy dose of patience—we’re diving in with everything you need to know, with some fun thrown in for good measure!


Step 1: Know What You’re Looking For—The Right Spark Plugs

Before you start wrenching away, let’s get the right plugs. You don’t want to end up with the wrong ones and have your sled sounding like it’s trying to start a fire instead of running smoothly.


Tip: If you're unsure, check your owner’s manual! It's like your sled's personal bible, full of answers to all your burning questions (pun intended).

Step 2: Tools and Prep—Let’s Get Ready to Rumble

Before you dive in, you’ll need the right gear:

  • Spark Plug Tool: You’re going to need a trusty spark plug socket. A standard ratchet may not do the trick. Polaris has tools specifically designed for the job, so grab one!

  • Warm Gloves: You will get cold. It's inevitable. Make sure you have hand warmers or warm gloves on standby. You don’t want frozen fingers to ruin your mojo.


Step 3: Getting in There—Hood’s Up, Let’s See Those Plugs!

  1. Unplug the Hood (or Don’t): Polaris snowmobiles usually require you to unplug the hood to access the spark plugs. But hey, if you have smaller hands, you might not need to do that!

  2. Locate the Plugs: Once the hood’s out of the way (or awkwardly propped up), you’ll be able to spot your spark plugs. They’re usually easy to find—just look for that little part that controls your sled’s “get up and go.”

Step 4: Removing the Old Plugs—What’s Good, What’s Not?

Now for the fun part—out with the old, in with the new! But before you toss those spark plugs, let’s do a little inspection:

  • Broken Tips: If the spark plug tip is broken, it’s time for a new one. No questions, just toss it.

  • Rattling Noises: A rattling spark plug means trouble. If it’s making noise, it’s definitely not a good sign.

  • Sooty and Dark: If your plug looks like it’s been to a barbecue without you, it’s fouled and should be swapped.

  • Wet and Shiny: If your plug’s wet and shiny, you could clean it, but let’s be real—it’s easier to just replace it. You don’t want to deal with that later on in your ride.


Step 5: Installing the New Plugs—Gently Does It

  1. Thread It In: Get your new plugs ready to go. Thread them in by hand first—this helps avoid any accidental cross-threading. Once you feel some resistance, give it about 1 to 1.5 turns with the spark plug tool. This is a sweet spot for snugness without overtightening.

  2. Reconnect Power Sources: Now, reconnect the wires. Pay attention, because you don’t want to mix the MAG and the PTO - My honey color coordinated them with a small paint pen dot to help me out.

Push those power sources back in, and you should hear a satisfying click. It might take a bit more force than you expect.


Step 6: Fire It Up—Listen for That Sweet Sound

Alright, it’s time to test your work. Turn the sled on and listen carefully. Both cylinders should purr like a kitten (well, a really powerful, snow-powered kitten). If it sounds “off,” you might have missed a step or they are not tight enough.


Spark Plug Tips for the Road

  • Always Carry Extras: Break-ins can burn through spark plugs quicker than you can say “snowstorm.” Always carry spares!

  • Inspect Regularly: Don’t wait for a problem to show up on the trail—check your spark plugs regularly.

  • Keep Tools on Hand: A compact tool kit is your best friend in the snowmobile world. Store it in your sled’s storage compartment and be ready for anything.


There you have it! Changing spark plugs doesn’t have to be a mystery or a chore—it’s a necessary task to keep your Polaris snowmobile running smoothly, and it can be a fun, rewarding part of your sledding experience. Happy wrenching, and may your sled always start on the first pull!


Sierra Winter

Owner & Designer | Artwork by Sierra Winter ✉️ Email: sierrawintersmith@outlook.com 🌐 Website: www.artworkbysierrawinter.com 📞 Phone: 1-907-491-5016 (text preferred due to limited cell service)


Offering custom wrap designs, print products, and personalized artwork. Specializing in snowmobile wraps, swag, branding, and creative design solutions to bring your ideas to life. Design it the Sierra Winter Way.

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