https://www.summitracing.com/parts/lil-20700?seid=srese1&ppckw=pmax-tools&gclid=EAIaIQobChMI0frBu7GIhwMVGKRaBR1_HgFlEAQYBCABEgKhMPD_BwE
this is the one I use. Bought it after fixing and old outboard that had two bad coils. Spark looked ok holding a plug … rebuilt carb, fuel pump still would...