There have been copies of these classic carburetors made by many different manufacturers.
These are the best we have found.
Supplied with main jet size 50.
Suitable main jet kits 23427, 23428, 23429, 23430.
Can be supplemented with adjustable main jet no. 10062.
Carburetors, whether original or replica, need to be cleaned before installation.
Take the opportunity to get to know your new carburetor by disassembling it and making sure there are no metal shavings left over from the manufacturing process.