Home › Forum › Ask A Member › Spark plug for Martin 200 › Reply To: Spark plug for Martin 200
November 11, 2018 at 3:15 pm
#144758
Interesting question. My best info says it came with Champion J3 @ .030″ An old Champion book says J62R @ .023″. I’ve never heard of either of those. Better ask Russ Larson, the Martin guru.