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  1. 9

    Can anybody identify this engine 0G431107

    Can anybody identify this engine or tell me what site I may find this on. I looked in the Iboats list but it only goes up to 1990 and I cant find it online either 0G431107 is on the plug on top of the starboard bank, no numbers on the clamp bracket like my old black max. Thanks everybody John
  2. 9

    Cant find model or seriel number

    I can not find ID number on what suppose to be a 99 175 Mariner. It looks just like my 95 150 efi xri under the cover but has different style cover, but there are no numbers to be found, or even a place a tag may have been removed. I did find these numbers on the ecu if anybody thinks that might...
  3. 9

    Can I up my 175 Mariner to 200 Hp

    I am wanting to get more power from my 99 175 efi magnum mariner. can anybody send me it the right direction. thanks
  4. 9

    Wanting more power from a 99 175 Mariner

    I have a 99 Mariner 175 that has had very little use, strong compression, very clean/corrosion free, and I would like to get more power out of it. It has a 1.84 / 1 ratio with a standard pick up. I am looking at a 1.175 / 1 with a low water pick up for it. I have been told that much of a power...
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