Honda TL125S Spark Plug

The Honda TL125S (100cc) takes an NGK BPR6HS spark plug, gapped to 0.028".

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Key takeaways

  • Spark plug: NGK BPR6HS.
  • Iridium upgrade: NGK BPR6HIX.
  • Gap: 0.028 inch - set it before fitting.
  • Covers 1988-1990.
Standard PlugBPR6HS
Iridium UpgradeBPR6HIX
Gap0.028"
Verified fitLast checked
Reviewed by the CrankDex editorial team against manufacturer and retailer fitment data.

Buy the plugs for your Honda TL125S

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 Honda TL125S take?

The Honda TL125S takes an NGK BPR6HS spark plug, gapped to 0.028 inch. The iridium upgrade is the BPR6HIX.

What is the spark plug gap for a Honda TL125S?

The spark plug gap for the Honda TL125S is 0.028 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 Honda TL125S?

Yes. The BPR6HIX is the iridium version of the BPR6HS - same fit, longer life, and a slightly stronger spark. It is a straight upgrade.

More parts for your Honda TL125S

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

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