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Suitable spark plugs for Mk1 Ruby - Printable Version

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Suitable spark plugs for Mk1 Ruby - Ian M - 30-01-2019

I'm certain that the original type of spark plugs specified for the 2-bearing engine with low compression head have been unavailable for some considerable time and that old stocks are by now used up. What make/model number of plug is recommended as the most suitable equivalent today? Many thanks.


RE: Suitable spark plugs for Mk1 Ruby - David Cochrane - 31-01-2019

I use Champion D16 plugs - they seem to work well.


RE: Suitable spark plugs for Mk1 Ruby - Ian M - 06-02-2019

Thanks, I'll give them a go.


RE: Suitable spark plugs for Mk1 Ruby - Chris KC - 06-02-2019

Yes D16 or I think The Green Spark Plug Co. lists equivalents.