Wtb: 785 crankshaft
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  1. #1
    PWCToday Newbie
    Join Date
    Nov 2015
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    MN
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    Wtb: 785 crankshaft

    Looking for a good used Pro 785 crank.

  2. #2
    Frequent Poster
    Join Date
    Aug 2010
    Location
    delavan, wi
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    186

    Re: Wtb: 785 crankshaft

    The pro 785 driveshaft was used in a lot of other models, it might help your search out a bit. This isn't a complete list of compatible models
    http://parts.polarisind.com/Advanced...sp?OperID=Main

    There are plenty on eBay if you know where to look. A lot of polaris people here and on GH like to hoard their parts and won't let them go.
    90 Superjet - Coffman pipe, other mods
    98 Polaris Pro 785 - stock graphics, just ported and polished
    98 Polaris Pro 785 - black top, cylinders milled .020, ported, polished, watcon cooling
    95 Kawasaki 750 sxi - R&D pipe, ported, polished, bored 1.5mm over
    01 Polaris 600 sc xp sled - Stock

  3. #3
    PWCToday Newbie
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    Nov 2015
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    MN
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    38
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    Re: Wtb: 785 crankshaft

    Thank you, but I am looking for a crank, not the driveshaft.

  4. #4
    Frequent Poster
    Join Date
    Aug 2010
    Location
    delavan, wi
    Age
    34
    Posts
    186

    Re: Wtb: 785 crankshaft

    Not enough coffee when I wrote that post, lol. You have to send it to a place like Crankworks and have it rebuilt. You can use SBT rods, they're fine. They don't make the bearings, or they're very expensive, but the guys at Crankworks will machine the groove into the bearing for you and save you some cash. They can fix almost anything.

    If you don't have a core to fix, you can send them a 750 crank and they can stroke it for you. But it's not going to be cheap. I do not think you will have much luck finding someone who wants to part with theirs.

    I had one of my pro 785 cranks done by them, they did a good job. My other one has a stroked 750 crank in there because the previous owner had issues (but the crank was fine, he thought it was wrong).

    It cost me about $600 or so for the rebuild, new bearings, and new connecting rods. If you are going to have it done, just send if off and have them do everything so you can forget about it. Too much working getting a pro stripped down enough to split the cases, too bloody for me.
    90 Superjet - Coffman pipe, other mods
    98 Polaris Pro 785 - stock graphics, just ported and polished
    98 Polaris Pro 785 - black top, cylinders milled .020, ported, polished, watcon cooling
    95 Kawasaki 750 sxi - R&D pipe, ported, polished, bored 1.5mm over
    01 Polaris 600 sc xp sled - Stock

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