yes.. should be nice and tight but still able to move smoothly...That will turn into a rod knock very quickly.
Lik it bearly moves to da sides and like idk y it started doing it if i got da motor rebuilt not to long ago?
you need a small amount of side to side play otherwise it would bind cleck it with a feeler guage and your chilton or hanyes manual should have the specs if not call a engine builder [perferably one who build ministock toy motors]