Does anyone know whats the stock mainjet in 125cc gy6 by: nuckingfuttz78 - Jul 7, 2022 12:21:04 GMT -5 via mobile Back to Home Reply Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by nuckingfuttz78 on Jul 7, 2022 12:21:04 GMT -5 My Genuine Buddy 125 cc 4t has a 115 main and a 38 idle