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  1. #1
    785xp's Avatar
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    Seadoo 785 Maintenance/Info

    I just came across this document I made a while back on 785 Seadoo's and thought I would share it since there have been a few related questions lately. This is a list of things to be aware of on a 785cc engine Seadoo to keep you on the water and not in the shop. Please add to this list if you think it is relevent.

    Trim spark plug wires(have spare bracket for coil)
    Move ground wire from starter to rear of block.
    Replace fuel lines(TSC in Canada has what you need cheap)
    Replace internal carb filters
    Clean front fuel filter. Make sure O-Ring is not stretched
    Clean Rave Valves(replace o-rings and gaskets)
    Update rave bellows if necessary(red is old, green is new style)
    Inspect and replace VTS boot(if applicable), replace metal clamp with zip tie.
    Inspect and replace O-Rings in drain plugs
    Make sure there is no water in rear electrical box
    Check small wire going to ground on battery, replace connector if necessary.
    Buy a spare rectifier, you will need it and probably the day the dealer is closed.
    Make sure the spare fuses are in the proper places.
    Grease drive shaft.

    Install electric bilge pump


  2. #2
    gorilla03's Avatar
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    Mentioning the vts, I know of someone who's didn't work, come to find out water got in...so it maybe just a good idea just to make sure no water has gotten into it

  3. #3
    great info for people who are new to the 785's. ill be sure to check out all of these things on mine before the summer

  4. #4
    gorilla03's Avatar
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    I've also heard if anyone's got a '95 800 w/ rave valves, they should be updated

  5. #5
    785xp's Avatar
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    I should add that there is a guy local to me that fixes VTS housings. I haven't used him yet, but I will probably be taking an XPL housing to him which if I remember correctly is the same as the XP in the spring. $150.

    www.badfishpwc.com

    A couple years ago, a guy I ride with had his VTS motor stop working. I took it apart, cleaned it up, put it back together and it has been working for 3 years now.

  6. #6
    gorilla03's Avatar
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    Quote Originally Posted by 785xp View Post
    A couple years ago, a guy I ride with had his VTS motor stop working. I took it apart, cleaned it up, put it back together and it has been working for 3 years now.
    I just did the same thing to a vts, wouldn't work, took it apart, all i had to do is wipe it down and it worked again, to me the vts is probably the most maintaince i've ever had to do.

  7. #7
    BLACK MAGIC HEADERS hydrojunkie's Avatar
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    Awesome Info Thanks. It's Been Awhile For 2 Strokes For Me. Had 4 Stroke For Some Time Now.

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