OEM spark plug by Champion with short thread and the short designation L86C.
The spark plug fits various Vespa scooters such as V50 and PK 50 S-XL2.
In case of issues with the Vespa electrical system, replacing the spark plug and spark plug wire provides a reasonable starting point for troubleshooting.
The L86C is approximately equivalent to a ngk B6HS in terms of heat range.
In the guide, you can find the right spark plug for your Vespa.
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