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Author Topic: M90 Spark plug gap  (Read 570 times)

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  • Location: Somerset, England
Re: M90 Spark plug gap
« on: April 07, 2020, 01:58:23 am »
Hi Catman,
Welcome to the forum.
I have no official gap data but 0.015" seems the norm for these plugs.
Kind regards
Ade