having finally got the woodruff keys ou, replaced crankshaft fixed end-float, etc. I added what seemed to be the right thickness of shims (.014 ) to align the two sprockets. I was disappointed to find the, with the shaft pushed forward against the front washer that there was still. 006 to go. With .004 end float just hoe closely
do the sprockets have to align?
do the sprockets have to align?