KTM LC4 SXC Spark Plug
The KTM LC4 SXC (400cc) takes an NGK BR9HS spark plug, gapped to 0.024".
Key takeaways
- Spark plug: NGK BR9HS.
- Iridium upgrade: NGK BR9HIX.
- Gap: 0.024 inch - set it before fitting.
- Covers 1979.
Buy the plugs for your KTM LC4 SXC
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 KTM LC4 SXC take?
The KTM LC4 SXC takes an NGK BR9HS spark plug, gapped to 0.024 inch. The iridium upgrade is the BR9HIX.
What is the spark plug gap for a KTM LC4 SXC?
The spark plug gap for the KTM LC4 SXC is 0.024 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 KTM LC4 SXC?
Yes. The BR9HIX is the iridium version of the BR9HS - same fit, longer life, and a slightly stronger spark. It is a straight upgrade.
More parts for your KTM LC4 SXC
We cover the other consumables for your machine too - the exact fit, cited, in one place.