All your screws & bolts are MM or 32's , 7mm or 9/32 . The main jet hole is not big enough , its only .013 ,,,drill it out to .020 using a number 76 drill bit and ,,,,,Please watch Steve's Small Engine Saloon , show you how to take the rest of it about . EASIEST WAY To Clean a Plastic Briggs Carburetor
Thanks for the info! I have never had an issue with one of these plastic carbs after cleaning them. I have watched his channel many times, his videos are excellent content. Thanks for watching!