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  1. #1

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    rxp/rxt motor vs mods and life expectency?

    ok, so I"ve been on these boards for a few months, and I have read quite a few posts about people loosing compression in a cylender with not many hours on the motor. I'm just really curious to know how reliable these motors are?? Being a 4stroke, you would think it be just like a car motor and run forever if maintained?? Then I read a post saying one guy was buring oil at 100hrs and he has a stage 2. I got to thinking well most of these mods are pretty straight foreward items, just like modifying a car, I dont see why there would be a negative affect to life,(unless you have a crazy setup or tons of boost) if the A/F/R's are correct. Basically I'm just concerend because I want the ski to last and not have to worry about pulling the motor out of 11k ski in a year or so to rebuild it! Maybe thats why you only get a year warrenty becuase brp knows they dont last????

    what have you more experenced 4tec guys experenced??
    Last edited by CarFanatic; 06-27-2006 at 09:10 AM.


  2. #2
    Site Admin Green Hulk's Avatar
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    I had 145 hours on my heavily modified motor when i ripped it apart for the build up to the EMS system. The engine looked brand new and had 135 psi compression across the board.

    Ride more... worry less!

  3. #3
    Senior Member watermedic's Avatar
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    Just turned 200 hours on my 04 RXP. I don't plan on doing a rebuild until 300+ hours if all goes well.

  4. #4
    daverxp4's Avatar
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    180 hrs on mine runs great not a single component failed yet.

  5. #5

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    ah this is much better to hear!

  6. #6
    Got Boost? psycho rxp's Avatar
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    I have over 320 hrs on my heavilly modded 04' RXP..No engine problems even with a "B" kit SC and 8600 rev limit

    Just keep changing the oil often, and keep out any water injestion, and it should last a very long time.

  7. #7

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    oil changes not a problem, about how many hours you guys change yours at? I hope once I get my riva intake, I dont have any injestion issues ever!

  8. #8
    daverxp4's Avatar
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    Quote Originally Posted by psycho rxp
    I have over 320 hrs on my heavilly modded 04' RXP..No engine problems even with a "B" kit SC and 8600 rev limit

    Just keep changing the oil often, and keep out any water injestion, and it should last a very long time.
    wow now thats a lot of hours, i got to move down south so i can catch up.somebody is getting his moneys worth.great to hear that psycho rxp.

  9. #9
    GTXX's Avatar
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    My guess is a properly maintained stock or mildly modified machine should see 1000+ hours before the engine needs a rebuild.

  10. #10

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    how many hours do you guys change the oil?? 10? 20? 50?

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