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2009 crf250r piston jet
  • Greg99
    Posts:1
    Joined:Thu Jan 28, 2021 9:25 pm
    2009 crf250r piston jet

    by Greg99 » Thu Jan 28, 2021 9:36 pm

    Dose anyone know what a piston jet is im assuming that it lubes the piston im rebuilding a 2009 crf250r and I found something about a piston jet where dose it go and what dose it do? Is it a after thought that you could add on?
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    JimDirt
    Posts:4406
    Joined:Sat Nov 25, 2006 6:31 pm

    Re: 2009 crf250r piston jet

    by JimDirt » Fri Jan 29, 2021 8:58 am

    Welcome to the site !! \:D/

    The Piston Jet is basically what you said , it is a Jet that squirts oil under the piston , it is located in the left crankcase , Did you fry/seize a Wrist Pin ??? , as that would be a sign of it being clogged

    It is Part # 35 shown here ..... Hope that helped ..
    https://partsfinder.onlinemicrofiche.co ... 0CRANKCASE
    2020 CRF450R
    2006 CRF450X
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    Weiser , Idaho
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