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  1. #1

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    98 Pro 785.. cant help myself

    Now that my 1200 is done and running like a beast I managed to get something else to occupy my time along with work and 15 hours of school.

    Picked up two Pro 785s this weekend and a good amount of parts.

    Gutting the 97 and selling the pieces.

    Building the 98 for my roomate to have a ski.
    I am just going to build this on a budget as best as possible and get it running.

    1st question: I am not a master at diagnoseing what kind of work the cylinders need. I have two sets, one seems pretty scored and the other has two that look good and one that has some scars. I was considered just trying to figure out who to send them to in order to get the one re-plated but how should I gauge if the others are still good?

    2nd question: Should I pony up for Polaris Pistons or can I run wiesco stuff? I could probably get wiesco stuff through work for much cheaper than polaris parts.

    And anybody want to trade me a ready to drop in motor for 1 good set of cases with a trued/welded crank, 1 beat up set of cases, and two sets of jugs? haha


  2. #2
    She likes the bike. But the ski gets her wet!!!! xlint89's Avatar
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    I would say to contact Sharps Marine. They'll help you out with whatever you need.

  3. #3

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    Some Crappy Phone Pictures
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  4. #4

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    And what used to be my workbench covered in Pro Guts
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  5. #5
    thester71's Avatar
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    I think the good motor was already using wiseco pistons, so you might have to stay with them or else you will have to replate all three cylinders. If it weren't for shipping... These would have been in my garage last summer.

  6. #6

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    Send the cylinders out to, Power Seal USA in PA. they will check them and let you know what you need to do .
    If you go with Wiseco's get the pistons first and send them with the cylinders this goes for stock pistons also send it all at once

  7. #7

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    Here are some pics of the other cylinders that came in the package...

    Any one of you gurus identify them? Are they another set of 785 cyls? Just curious since they are a different color on the outside. They look the same size wise and have the same openings/ bolt patterns.
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  8. #8

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    Quote Originally Posted by Treybiz View Post
    Here are some pics of the other cylinders that came in the package...

    Any one of you gurus identify them? Are they another set of 785 cyls? Just curious since they are a different color on the outside. They look the same size wise and have the same openings/ bolt patterns.
    they where redone once already most of the platers take the original paint off them

  9. #9

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    Quote Originally Posted by 785 lugs View Post
    they where redone once already most of the platers take the original paint off them

    This is just the other set that I am not using since they all seem to have some serious scars. I just wondered if the number on the side identified them as anything specific.

    The other set that has two "good" and one "bad" cylinder and still has the orig black paint on it.

  10. #10

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    Quote Originally Posted by Treybiz View Post
    This is just the other set that I am not using since they all seem to have some serious scars. I just wondered if the number on the side identified them as anything specific.

    The other set that has two "good" and one "bad" cylinder and still has the orig black paint on it.
    Those i think are just the casting numbers nothing special

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