Thanks for the reply.
I have an update but figured I would respond to your post first. spark plugs were replaced and "tested using a gap/in line spark plug tester. Discovered that this can lead to a false positive because the thunderbolt 5 system can send enough volts to spark the tester but...
Hey guys. I apologize for such a long post but I want to make sure I have as much info as possible and fully explain the situation.
I just bought a mercury mercruiser 4.3 alpha 1 Gen2 stern drive chaparral. Had it out a total of 5 times and it ran great! About 2-3 weeks ago I was tubing and my...
