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Rmz 250 engine problems. Help?

This is a discussion on Rmz 250 engine problems. Help? within the CRF50 forums, part of the General Talk category; Hi, I have a 2006 rmz 250 and when i started the bike, it started okay, but it wouldnt stay running even though the bike ...

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  1. #1
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    ktm90's Avatar

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    Rmz 250 engine problems. Help?

    Hi, I have a 2006 rmz 250 and when i started the bike, it started okay, but it wouldnt stay running even though the bike was warm. i messed with the idle screw, but that didnt help. So i go to ride the bike and it starts back fireing pretty bad. A couple of laps later the bike starts to loose power. So i ride it back to the garage and go to park it when i noticed there was oil leaking pretty bad out of my crank case vent hose, oil was also leaking out of the left side of my head. Any ideas of what might be wrong?



    Thanks


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    Re: Rmz 250 engine problems. Help?

    man this is planet minis not planet big bikes
    Riding 50s and slappin hoes

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    LANG421's Avatar

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    Re: Rmz 250 engine problems. Help?

    its a suzuki....that's your biggest problem. sounds like a possible blown head gasket....but who knows, take it to a local performance shop and have it checked out. it could be numerous things. from as minor as a head gasket, to as serious as a blown crank

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    Re: Rmz 250 engine problems. Help?

    sounds like 2 problems running condition and oil leak they may be related may not



    have you ever adjusted the valves? we need tons more info.how much time is on it what mods do you have,,etc..
    JCMINIS

    07 KLX110
    09 YZ250
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    KTMraca05's Avatar

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    Re: Rmz 250 engine problems. Help?

    Try messing with the air screw... It might be running too lean.



    Also, RMZ250's are notorious for overheating... I think Boyesen sells a water pump cover/impeller that is supposed to help with overheating...
    Staggs Racing!! Check 'em out!

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    Re: Rmz 250 engine problems. Help?

    Sounds like a stuck open hot start, which can be caused by water running down the cable when you wash it
    Founder of the Fl Mullisha....Pa Chapter

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