Duratec Spark Plugs

Duratec Spark Plugs

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Discussion

David Long

Original Poster:

1,224 posts

186 months

Monday 2nd May 2011
quotequote all
My R400 if fitted with TR6AP plugs. Does anyone have any idea what the correct gap should be? They seem to be set (or have worn to)about 1.3mm which seems big to me.

Thanks

David