So just did a more extensive search came up with a few threads but nothing with any port timing numbers.
carb: https://www.mopedarmy.com/forums/read.php?7,1905242
jug:
https://www.mopedarmy.com/forums/read.php?7,2086470
https://www.mopedarmy.com/forums/read.php?7,2062661,2062661
https://www.mopedarmy.com/forums/read.php?7,2957599,2958827