1981Yamaha XJ550 maxim carburetor stuck needle valve seat removal

How to remove a stuck corroded needle valve seat. This procedure works on many 80's Yamaha motorcycles. 83-85 xc180 riva, 80-82 sr250 exciter, 80-82 xs400 special series, 81-83 xj550 maxim Seca, 84-85 fl600l, 80-83 xs650 twins, 82 xj1100 maxim, 80-81 xs1100 Please visit https://www.joes-carb-shop.com/