My wife's machine of several years is stitching erratically, even after thread and needle replacements, careful rerouting new thread, adjusting tensions, and thorough cleaning of all areas called out in the Singer manual. I happens on a variety of fabrics and conditions and I really believe I'm down to checking/re-setting the timing.

Pete, January 2007

Timing on sewing machines do not just go out of order, more information is needed, when sewing what does the stitching look like top and bottom ? is is stitching properly but missing stitches ? is the thread loose either on the top or on the bottom ?

Ken Dourof, March 2007