From:CJ e-mail:mathsci-A-hotmail.com
Subject:RE: Spark Plug Date:Tue Mar 25 20:28:46 2014
Response to:19399
You might want to check Duane Taylor's response in thread 8679 and Dave Hennessey's plug notes in thread 15902.

Below are supposed to be alternatives - Please verify first

HD #3 => Champion H-10C, NGK B4L
HD #4 => Champion H8C, NGK B6L

Good luck

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Will someone please advise me the spark plug number for the 1951 S 125 cc.
Thank you very much.

Robert Henry