BSA C15SS Spark Plug

The BSA C15SS takes an NGK BR7HS-10 spark plug, gapped to 0.020".

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Key takeaways

  • Spark plug: NGK BR7HS-10.
  • Iridium upgrade: NGK BR7EIX.
  • Gap: 0.020 inch - set it before fitting.
  • Covers 1980.
Standard PlugBR7HS-10
Iridium UpgradeBR7EIX
Gap0.020"
Verified fitLast checked
Reviewed by the CrankDex editorial team against manufacturer and retailer fitment data.

Buy the plugs for your BSA C15SS

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.

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Frequently asked

What spark plug does a BSA C15SS take?

The BSA C15SS takes an NGK BR7HS-10 spark plug, gapped to 0.020 inch. The iridium upgrade is the BR7EIX.

What is the spark plug gap for a BSA C15SS?

The spark plug gap for the BSA C15SS is 0.020 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 BSA C15SS?

Yes. The BR7EIX is the iridium version of the BR7HS-10 - same fit, longer life, and a slightly stronger spark. It is a straight upgrade.

More parts for your BSA C15SS

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

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