I have a 96 mercury 200 efi I’ve replaced the ignition the trigger the warning module cleaned and tested the VST and pump cleaned and flow balanced the injectors had to replace one installed new filter and spark plugs replaced all fuel lines boat idles fine does sound like it has a miss though
I just bought a 1994 Astro 20fsx with a 96 mercury 200 efi the boat has only been used 1 time in the last 3 yrs runs good on the hose a little rough idle so I filled the boat up with new fuel dropped the boat in the water the day I bought it threw the hammer down and it got up to 2000 rpm and...
