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  1. E

    2006 25hp 3cyl efi, weird starting issue.

    Update, it was a faulty pulser coil on the starboard side of the engine
  2. E

    2006 25hp 3cyl efi, weird starting issue.

    So everything tested within spec of what you gave me and the manual I found gave me. Except the grey 3 pin connector from the voltage regulator to the stator. My book shows the 3 pin connector having 0.29-0.43 ohms at the 3 pin connector and I got 000.7 on all three pins coming from the stator...
  3. E

    2006 25hp 3cyl efi, weird starting issue.

    Would you mind sending me pics of how the relay bypass was done?
  4. E

    2006 25hp 3cyl efi, weird starting issue.

    You might look into doing the fuel pump relay mod, probably what I’ll wind up doing, saves the ecu.
  5. E

    2006 25hp 3cyl efi, weird starting issue.

    Greatly appreciate that link, the first part number on there is the one I was actually looking at on boats.net but I’m like you and hope that newer part number that supersedes it and the others has had some improvements made in the failure areas. I’m extremely mechanically inclined but these...
  6. E

    2006 25hp 3cyl efi, weird starting issue.

    What’s you serial number? Below a 252xxx or above? Mines a OR170777 so I’ve only found one ecm
  7. E

    2006 25hp 3cyl efi, weird starting issue.

    I’m glad someone else chimed in that’s dealing with the same thing. I’ve pretty well narrowed it down to the ecu, I do have a direct voltage adapter coming in the mail today for my multimeter so I can test the stator output at the pins with it converted over to DC like the service manual...
  8. E

    2006 25hp 3cyl efi, weird starting issue.

    Also pulled plugs checked spark and there is 0 spark on any of the 3 cylinders yet sometimes it will light up and start.
  9. E

    2006 25hp 3cyl efi, weird starting issue.

    Update: went out about an hour ago and pulled it one time and it fire right up. I really dont understand what the probelm Is, it’s been setting idling on muffs for an hour now, shut it off going to let it set awhile and try to pull start again. Semi Long post. 2006 25hp mercury 3cyl efi, A few...
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