Polaris Sportsman 550 Spark Plug

The Polaris Sportsman 550 (550cc) takes an NGK BKR7E spark plug, gapped to 0.035".

Shop the BKR7E plug Amazon · we may earn a commission, at no extra cost to you

Key takeaways

  • Spark plug: NGK BKR7E.
  • Iridium upgrade: NGK BKR7EIX.
  • Gap: 0.035 inch - set it before fitting.
  • Covers 2003-2005.
Standard PlugBKR7E
Iridium UpgradeBKR7EIX
Gap0.035"
Verified fitLast checked
Reviewed by the CrankDex editorial team against manufacturer and retailer fitment data.

Buy the plugs for your Polaris Sportsman 550

The standard plug is the exact-fit replacement. The iridium version drops into the same spot, lasts longer, and fires a little stronger for a few dollars more. Many engines take more than one - check how many cylinders you have.

As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.

Frequently asked

What spark plug does a Polaris Sportsman 550 take?

The Polaris Sportsman 550 takes an NGK BKR7E spark plug, gapped to 0.035 inch. The iridium upgrade is the BKR7EIX.

What is the spark plug gap for a Polaris Sportsman 550?

The spark plug gap for the Polaris Sportsman 550 is 0.035 inch. Check and set the gap before fitting a new plug - most powersports plugs need a small adjustment out of the box.

Can I use an iridium plug in a Polaris Sportsman 550?

Yes. The BKR7EIX is the iridium version of the BKR7E - same fit, longer life, and a slightly stronger spark. It is a straight upgrade.

More parts for your Polaris Sportsman 550

We cover the other consumables for your machine too - the exact fit, cited, in one place.

More Polaris spark plugs