So I finally found an air jet for my mc18, paid, then was told they were out and it was discontinued so was sent an mc21 air jet(the cross piece) HRC told me that I run a greater risk of siesure if I run the 21 jet on an 18. My question is; What can I do to use this air jet and have proper running? Can I jet the mains a step or 2 richer? Even if it may run a bit richer in som parts of the rpm band, if it's safe and runs Ill be quite happy.
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2stroke or squeezed