Print Page - B34-2 Spark Plug -1934

Title: B34-2 Spark Plug -1934
Post by: Barry H on 19 Nov, 2018, 12:23

I have a B34-2 BSA 250 OHV

I'm trying to identify the best spark plug to use

Title: Re: B34-2 Spark Plug -1934
Post by: Y13 Alan G on 31 Dec, 2018, 13:16

Hi Barry. I have several pre-war BSA's all of which use 18mm short reach plugs. In the side valves I use NGK A6 plugs and in the OHV's I use NGK A7 plugs which take the higher compression. I have used these plugs for donkeys years with no problems. Hope this helps.

BSA Owners' Club Workshop Discussions

The BSA Workshop => Pre War => Topic started by: Barry H on 19 Nov, 2018, 12:23