I used JB Weld to fix a crack in a carb intake on the Virago I used to have. Did it as a temp fix until I could afford a new carb. My biggest worry was that it would come out and go through the card and block something. Ended up working so well I never changed it out. Hope it works for you.
It's only illegal if you get caught.
If at first you don't succeed, use more lighter fluid
95% of Harley Davidsons ever made are still on the road... The other 5% made it home.
New Baltimore, Va '82 CB900c, 1980 CB985F/K 'Mutt"