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    Prop for first time pontoon owner

    Just picked up a 1981 90hp mercury to put on my 18' fishing pontoon. The motor has a 19 on it now since it was on a little speedboat. I'm thinking a 13.75x15 for the pontoon but I'm not sure where to start. It has the wraparound rear couch and 2 fishing seats on the front most of the time only 2...
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    Rpms for 90hp merc

    Just picked up a sweet 1981 mercury 90hp and I'm having trouble finding any information on the wot rpms on it. I'm putting it on my 18' pontoon and wanna make sure I'm treating it as kindly as possible. Thanks.
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    Prop for toon

    Hello everyone. First time pontoon owner. It's an 18' riveria cruiser and I just put on a sweet running 90hp 1981 mercury that was on a 16' speedboat. It has a 19 prop on it now. What should I get to prop it correctly for my pontoon? I was thinking a 13.75x15. Only has 2 fishing seats in the...
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