I have used conversions kits with great success on lawn mowers outboards etc. This kit from the parts section claims to do much more in spark control and variable dwell. Has anyone tried this on a K140 MH.
Massey Harris Mustang Electronic Ignition Conversion Kit, High Performance, 12 Volt Negative Ground Electronic Ignition Conversion Kit, High Performance, 12 Volt Negative Ground - The Igniter II $139.00
Massey Harris Mustang Electronic Ignition Conversion Kit, High Performance, 12 Volt Negative Ground Electronic Ignition Conversion Kit, High Performance, 12 Volt Negative Ground - The Igniter II $139.00