Model# 507y8c<br />Serial# 1199<br /><br />Motor turns over and has good spark and fuel flow. It turns over 3 to 4 times and then backfires and shoots a 2' flame out the exaust port. Is this a timing problem and if so, how do I set it.<br /><br />Thanks<br />I have never had this motor in the...
I need to know how to wire this thing up while it's on a stand. I have no control box for it and before I buy one , I want to hear it run!<br />I can hook straight to the starter and it turns over and has a hell of a spark on both cyl.<br />It says US Marine on the plate and is a model # 507y8c...