Compatible with the following 2 cycle Mantis tiller / cultivator â—7222M with SV-4B engine â—7222E with SV-4B engine, produced from 1/1991 to 8/1997 â—7222 with SV-4B1E engine, produced from 8/1997 to 12/2000 â—7222 with SV-4B1E engine, produced from 1/2001 to 1/2003 â—7222 with SV-5C engine, produced from 1/2003 to 3/2004 â—7222 with SV-5C/1 engine, produced from 3/2003 to 3/14/2005 â—7222 with SV-5C/2 engine, produced from 3/15/2005 to date â—7225 with SV-5C/2 engine, produced from 3/15/2005 to date â—7230 with FastStart SV-5CI engine, produced from 3/2003 to 3/2005 â—7230 with FastStart SV-5CI/2 engine, produced in January 2010 â—7240 with FastStart SV-5CI/2 engine, produced in January 2010 â—7920 with SV-5C/2 engine, produced from Aug 2014 to date â—7924 with SV-5CI/2 engine, produced from Aug 2014 to date