Hi Pete, thanks for input - seller has agreed to fit new jet . For my info you    Hi Pete - The company I bought the refurb CDSE's from has agreed to fit a new jet - For my info you said    "overall 0.012"is not overly important the needle will adjust to compensate the height and being biased should accommodate the misalignment enough to achieve basic mixture setting ."   How does the needle compensate for the 12 thou , or does the needle have to be dropped by 12 thou to compensate    B