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  1. #1
    Stop Obama Express
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    96 XP 800 engine break in

    I've been finding numerous mixed results and Ill be putting my engine in very soon. I read everything possible about varying throttle and cool down times every half hour or so but just wanted to know:
    1) what oil for break-in?
    2) hard or easy break-in?
    3) anything special i need to know?


  2. #2
    96XPSS's Avatar
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    Want to do it right? Dumonde tech break in oil, and their procedure.

    http://www.tayomotors.com/servlet/Detail?no=17

    I've broken in many a ring with this oil, and get a minimum 5 more psi compression over other oils and procedures.

  3. #3
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    SO you only do one gallon of gas with it and its done being broken in?

    EDIT: Just ordered the oil you recomended.
    Last edited by 240witSR; 06-03-2008 at 06:23 AM.

  4. #4
    96XPSS's Avatar
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    The bottles I have are 16oz. You mix this with 3 gallons of gas. It is "just enough" to get it broke in under their guidelines.

    I have even strapped another gallon of gas to the back of the ski to run out all the break in oil, on the last heat cycle, just in case...

    Good luck! You'll be amazed at the performance difference when breaking it in this way.

  5. #5
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    Wow man, that sounds so much easier than what I read about doing heat cycles and no WOT for two full tanks of gas. It just hurt my head thinking about not riding hard through that much gas.

    The bottle I ordered says mix with one gallon... is that going to be enough for a proper break in and after that, can i beat the ski as usual?

    Do I need to hook up my oil injection back to it or no? I deleted it on both ski's now.

  6. #6
    96XPSS's Avatar
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    You better buy two more, as you will need three gallons. Unhook your oil injection for sure! You don't want synthetic yet!

    Yes, this method is MUCH better and easier. Most heat cycles can be done in your garage, and the last one of two 20 minute cycles done on the ramp with ski strapped to trailer, then the last 20 minute riding...varying the throttle.

    What most don't know...is that BRP uses Chrome moly rings, which are very hard to seat. Using synthetic prolongs this process, because the lubricating properties are so good. Old timers always broke in with mineral oil to get better seating. But the Dumonde Tech is so much better.

    Make sure your cylinders are honed with 100 grit preferrably and 200 at the finest. Most machine shops use 400 grit stones because car engines rings are not chrome moly.

  7. #7
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    I have a guy in FL that is rebuilding my engine, "catchawaveperformance", and I am sure he will hone it accordingly. Ill definately check into ordering a couple more.

  8. #8
    Tool Bag water worx's Avatar
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    I have never heard of "catch a wave performance" where are they located ??

  9. #9
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    Quote Originally Posted by water worx View Post
    I have never heard of "catch a wave performance" where are they located ??
    I think its mostly a guy who rebuilds the engines out of his house. He is rebuilding my carbs for the cost of the kit only, and is setting up the timing and swapping all my parts over from old engine to new engine at no cost. I paid $870 for everything. with a 1 year no fault warranty.

  10. #10
    Tool Bag water worx's Avatar
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    Quote Originally Posted by water worx View Post
    I have never heard of "catch a wave performance" where are they located ??

    Still didnt answer my question....

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