comments:
The one you linked will fit, but get one that comes with the roller since yours is missing part of it. https://a.co/d/03I48muG You'll need to recover the screw from the part that broke off yours. I take the carbs off these things by careful removing the starter, making sure the bolt stays in it so the little washer in there doesn't slip out, then I unscrew the cam follower and remove it from the carb so I have easier access to the nut on that side. Use a magnet so you don't drop anything, because it's pretty easy to drop the nut and the linkage down through the shift hole, where it will disappear forever. Also be very careful taking the top cap off that carb. They're very brittle and will break if you loosen or tighten those screws unevenly. Carbs for these things run about $250, so don't fuck it up.