Hello Ian. I would check the big three. Compression, spark and fuel. Once engine warms up and dies I would immediately check compression and compare it to stock spec. If that is good I would hook up an inline spark tester and run unit , while observing spark tester to see if you lose spark. Then I would check for fuel obstructions, lines, carb, etc. This should greatly narrow your problem. If you have questions, just post in this thread and I will get back to you. Good luck.
I’m happy to assist further over the phone at https://www.6ya.com/expert/layne_0fccff498c319c32
Answers & Comments
Hello Ian. I would check the big three. Compression, spark and fuel. Once engine warms up and dies I would immediately check compression and compare it to stock spec. If that is good I would hook up an inline spark tester and run unit , while observing spark tester to see if you lose spark. Then I would check for fuel obstructions, lines, carb, etc. This should greatly narrow your problem. If you have questions, just post in this thread and I will get back to you. Good luck.
I’m happy to assist further over the phone at https://www.6ya.com/expert/layne_0fccff498c319c32