In my humble opinion, I don't think its worthwhile to check the compression at this point.
If you can get it running, then we can say that it has adequate compression.
An accurate compression test can be made after the bike has been run for quite awhile, and is warm.
This test is most valuable for a comparison of the left to right numbers; a big difference suggests that you might have an issue.
If you can't get it running after trying everything, then a cold compression test might give you an idea of what might be wrong.
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