S SchieberRacing6 Member Sep 29, 2022 #1 What is the standard size for the Comer 50/51cc restrictor plug? 0.250" or 0.270".
flattop1 Dawg 89 Oct 5, 2022 #2 This is ikf 2010 rule. Attachments 20221005_101400.jpg 80.6 KB · Views: 12