JusticeMurica•

Is the inside of the hole in the center threaded? If so you might just need a bolt and washer

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BriggsVtwin•

Think there should be a nut, 5/8 inch x18 nyloc on atv 30 , holding the driven unit on to its shaft. This will hold the square drive key in place. See Comet kart sales, torque converter parts item 12.

1