James E Beasley Well-Known Member Supporting Member Joined Apr 28, 2006 Messages 1,883 Jan 31, 2013 #21 Will flex shaft collets off of a CMB 45 fit the AA 45? What size thread is the AA crank thread?
A Al Hobbs Legend of the NW Vendor Joined Aug 25, 2009 Messages 1,884 Jan 31, 2013 #22 A/A 45 crankshaft thread is 1/4 by 28. Same as MAC, Picco, K&B. CMB, 45 size engines. Al Hobbs
