The timing on this engine is not adjustable but if it is not set on the timing marks properly then your total timing will be off.
You do have slightly too much advance in it but that will most likely not cause the issue you are seeing. If it were retarded to much then I could see that but 6 degrees advance will actually give you touch more power.
However, it is worth checking to make sure it is in time using the process below. If not, you can try and set it properly to see if this clears up.
Let us know what questions you have. Thanks
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Sunday, May 16th, 2021 AT 7:56 PM