ERW Posted March 4, 2023 Report Share Posted March 4, 2023 1974 OSSA MAR 250. What is the recommended spark plug gap? Quote Link to comment Share on other sites More sharing options...
feetupfun Posted March 4, 2023 Report Share Posted March 4, 2023 http://ossaengineering.com/wp-content/uploads/2012/02/IgnitionTiming.pdf Quote Link to comment Share on other sites More sharing options...
ERW Posted March 4, 2023 Author Report Share Posted March 4, 2023 Thank you, that chart is very helpful. I have saved it to my favorites. Quote Link to comment Share on other sites More sharing options...
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