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    Need advice from experienced people.

    Thanks very much I will check this out
  2. B

    Need advice from experienced people.

    Thanks if only I knew what factory setting was in how to do it LOL do you by chance have a link I could follow
  3. B

    Need advice from experienced people.

    OK but I just want to know if the timing would affect TopSpeed thanks.
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    Need advice from experienced people.

    OC661190 is the serial number, did not compression test , but I don’t see blow by in valve cover or any smoke out the exhaust.
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    Need advice from experienced people.

    Thanks all for your insight, I managed to swap out a piston , along with new rings and bearing on it. Ran ok after rebuild but then I changed plugs , wires, coil and had to do timing. Now it runs without a hiccup . So far I have an hour of use. Feeling more and more confident each run. I’m no...
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    Head Compatibility

    Question again for you if you could please help. The main crank for these two engines are they the same? Wondering if I can use the pistons from one to the other?
  7. B

    Head Compatibility

    Thanks so much again Scott! And also the S/N explanation makes much sense.
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    Head Compatibility

    I have 2.5L 120 s/n 0C661190 with a cracked head, I found someone selling a good head of a 120 s/n 4659177 are these heads interchangeable. I could not find a look up that would accept the 4659177 serial number for me to reference.
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    Need advice from experienced people.

    Also what will I look for when pulling the piston to check the skirt? Thanks
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    Need advice from experienced people.

    Plug looked normal just really clean from the water intrusion.
  11. B

    Need advice from experienced people.

    What Do you think was the cause of the detonation could I have been revving it to high? Also I read all over the Internet that you can get these things repaired by welding them or pinning?
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    Need advice from experienced people.

  13. B

    Need advice from experienced people.

    So I was using the boat I just purchased , it’s an older invader. 2.5L 120/153 CI serial number 0C661190 when I lost power after an hour.. brought it back to dock and found water in #1 cylinder. I started to tear it down thinking it was a head gasket. Discovered a rust spot on cylinder head and...
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