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    Prop help-1993 Mariner 30ELO on a 16' toon

    Just a follow-up. I took my "new" prop up north but with poor results. Despite multiple sites (and a shops confirmation), this prop would not even fit in the boat. The 12" Dia is too big. There is only 6" of space from the spine and the upper plate (which I'm sure there is a name for). Also the...
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    Prop help-1993 Mariner 30ELO on a 16' toon

    Thanks Chris. The bulb didn't pressurize the line. That resulted in my over pumping it, that led to the flooding. Appreciate your other tips. Shawn
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    Prop help-1993 Mariner 30ELO on a 16' toon

    That a good question. The bulb is faulty, the check valve is shot. So I end up over pumping. That in combination with just learning how the electronic choke button on the controls works has caused me some frustration. I've got the right sequence figured out now (as well as a new line).
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    Prop help-1993 Mariner 30ELO on a 16' toon

    Thanks for the reply. The intent really was to go back up north with some new options so that I have an alternative when I do measure the RPMs. Although you are correct and the input I'm looking for is just a "guess", some great feedback has put me on the right path.
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    Prop help-1993 Mariner 30ELO on a 16' toon

    I've found another option in my research. It's a 48-42738 -A10 : 12.5 * 8P This reads as the correct prop for the motor on a pontoon. There is a used one locally for $40 so I'm not heavily invested if it's not great. There is a pontoon version which has the suffix CP1 at the end. If this one is...
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    Prop help-1993 Mariner 30ELO on a 16' toon

    Thanks @jih3rd. You're correct, that's what I have. The motor runs perfectly once it's going. I just installed it and I have a crappy fuel line which causes me to flood it more often than not. I don't have the current RPMs, but will get that this weekend. With respects to weight, I normally have...
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    Prop help-1993 Mariner 30ELO on a 16' toon

    Hi New to the forum. I've read about as much as I could find on prop sizes for pontoon boats but most speak to large motors on big boats. I have a 16' 1990's Manitou (model unknown). I'm guessing it's in around 13/1400#'s. I've just got a new (to me) 1993 2 stroke Mariner 30ELO mounted this...
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