I may be wrong but I have NEVER heard of someone having to drill a jet to put it in. I have heard people drilling out smaller # jets to make them bigger so they wouldnt have to buy a new one (cheap arse's)
But like Railroader said, you should NOT have to drill your main jet just to get it in.
But like Railroader said, you should NOT have to drill your main jet just to get it in.