Home › Forum › Ask A Member › Diagnosing no spark issue on 1992 mercury 8 hp. 2 cycle › Reply To: Diagnosing no spark issue on 1992 mercury 8 hp. 2 cycle
did you check utubes maybe somebody fixed one … when did this start happening.
you have a electronic ignition so anything goes… switch box trigger
dual plugs..coils wires likely did not fail together so you are back under t e flywheel. kill switch could cause a problem
see page 76 -77 in this doc. .. all this requires testing skills with thenecessary eqpt. (VOM)
CDI Troubleshooting Guide – 2012.pdf (cdielectronics.com)
this is kind of a modern engine 🙂 Hopefully experts will chime in … try alsos the IBOATS site for help .
see video on a Mariner problem to show what is involved here the CDI switch box is frequently the culprit has tested in this video
8 hp Mariner – Diagnosing a bad CDI with an Ohm Meter “No Spark ⚡️” – Part 1 of 2 (youtube.com)
Joining AOMCI has priviledges 🙂