@*LongFella B-
i had the same problem with HPMX CARBS IN 2016 and 2017. I first tried the JB weld repair... then in parallel contacted Empi customer service. They stepped up and sent me replacement top cover at no cost... twice, but I lost confidence in the carbs after the second failure ( ref 2017 incident and pics), and purchased Webber’s from Pat D. At CBP. Other than this, the carbs worked great.
full story line, with pictures below;
2016- https://www.speedsterowners.co...1#497688234564864801
2017- https://www.speedsterowners.co...2#565106356525552742
happy to send you the EMPI CAliformania support # and email if you don’t have it. I can dig it up...
Cheers,
Luis,