Cut the jagged break off flush with a hacksaw, and drill and tap the counterweight for a bolt. Then center drill the bolt for the heat riser shaft and cross-drill it for the retainer pin. I've repaired a few counterweights that way. Good luck!
Jerry


"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!