Aprilia TL 320 Spark Plug
The Aprilia TL 320 (349cc) takes an NGK BPR5ES spark plug, gapped to 0.028".
Key takeaways
- Spark plug: NGK BPR5ES.
- Iridium upgrade: NGK PMR8A.
- Gap: 0.028 inch - set it before fitting.
- Covers 1986.
Buy the plugs for your Aprilia TL 320
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 Aprilia TL 320 take?
The Aprilia TL 320 takes an NGK BPR5ES spark plug, gapped to 0.028 inch. The iridium upgrade is the PMR8A.
What is the spark plug gap for a Aprilia TL 320?
The spark plug gap for the Aprilia TL 320 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 Aprilia TL 320?
Yes. The PMR8A is the iridium version of the BPR5ES - same fit, longer life, and a slightly stronger spark. It is a straight upgrade.
More parts for your Aprilia TL 320
We cover the other consumables for your machine too - the exact fit, cited, in one place.