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  1. 2

    Merc 4.3 I/O thunderbolt V issue please help!

    iBoaters, Gotta say I love this site! I don't post much here but this is not my first rodeo and I've tried everything within reason to fix my issue. I've got a 2000 Crownline 19' with Merc 4.3 Alpha one and thunderbolt V. I have no spark...here's the background and what i've done: -ignition...
  2. 2

    Hesitation/sputtering, then stalling, then wont start...

    Hey all - new boat owner here, just bout my first one 3 months ago...and now my first real problem. Let me say this website seems amazing. I have a 2000 Crownline 19' bowrider...197 hours. 4.3 Merc I/O 190 hp. Have put 30 hrs on it in the last 3 months with no issues. When I bought it in June, I...
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