We may have found other answers which could help you.
Click here for Sewing Machine Motor Repair
tuning up my RICCAR 9800 sewing machine?
How do I retime my Riccar 8400 sewing machine??
Replace motor on Riccar 906E?
my bobbin thread is not picking up after a needle break on my riccar 829 cn?
How can I fix my Riccar 888 sewing machine?
How can I fix my Riccar Super-Stretch model 570 sewing machine?