It cant be the stock carb due to the twist throttle now that i get to thinking about it, This might be a bad question but what is AWK im new to this.. Is it a shop, or a person or?
It can be a stock carb with a twist throttle on it. AWK08 is a member on here that sells the testers. Here is the link.
http://www.blasterforum.com/sale-18/leakdown-testers-55015/